Ecology and life history

Although most species live in inshore and estuarine waters, 29 species spend their entire life cycles in freshwater. These species are found in disjunct tropical regions of South America (one species), Central Africa (three species) and Southeast Asia (25 species).


Natural defenses :
A pufferfish pressing its mouth against a camera's lens at Big Island of Hawaii
The puffer's unique and distinctive natural defenses help compensate for its slow locomotion. It moves by combining pectoral, dorsal, anal, and caudal fins. This makes it highly maneuverable, but very slow, and therefore a comparatively easy predation target. Its tail fin is mainly used as a rudder, but it can be used for a sudden evasive burst of speed that shows none of the care and precision of its usual movements. The puffer's excellent eyesight, combined with this speed burst, is the first and most important defense against predators. Its backup defense mechanism, used if successfully pursued, is to fill its extremely elastic stomach with water (or air when outside the water) until it is much larger and almost spherical in shape. Even if they are not visible when the puffer is not inflated, all puffers have pointed spines, so a hungry predator may suddenly find itself facing an unpalatable, pointy ball rather than a slow, tasty fish. Predators which do not heed this warning (or who are "lucky" enough to catch the puffer suddenly, before or during inflation) may die from choking, and predators that do manage to swallow the puffer may find their stomachs full of tetrodotoxin, making puffers an unpleasant, possibly lethal, choice of prey. This neurotoxin is found primarily in the ovaries and liver, although smaller amounts exist in the intestines and skin, as well as trace amounts in muscle. It does not always have a lethal effect on large predators, such as sharks, but it can kill humans.
Not all puffers are necessarily poisonous; Takifugu oblongus, for example, is a fugu puffer that is not poisonous, and toxin level varies wildly even in fish that are. A puffer's neurotoxin is not necessarily as toxic to other animals as it is to humans, and puffers are eaten routinely by some species of fish, such as lizardfish[3] and tiger sharks.Also, Japanese fish farmers have grown nonpoisonous puffers by controlling their diet.

Puffers are able to move their eyes independently, and many species can change the color or intensity of their patterns in response to environmental changes. In these respects, they are somewhat similar to the terrestrial chameleon. Although most puffers are drab, many have bright colors and distinctive markings, and make no attempt to hide from predators. This is likely an example of aposematism.


Reproduction :
Blackspotted puffer, Arothron nigropunctatus
Many marine puffers have a pelagic, or open-ocean, life stage. Spawning occurs after males slowly push females to the water surface or join females already present. The eggs are spherical and buoyant. Hatching occurs after roughly four days. The fry are tiny, but under magnification have a shape that is usually reminiscent of a pufferfish. They have a functional mouth and eyes, and must eat within a few days. Brackish water puffers may breed in bays in a similar manner to marine species, or may breed more similarly to the freshwater species, in cases where they have moved far enough upriver.
Reproduction in freshwater species varies quite a bit. The dwarf puffers court with males following females, possibly displaying the crests and keels unique to this subgroup of species. After the female accepts his advances, she will lead the male into plants, moss or another form of cover, where she can release eggs for fertilization. The male may help her by rubbing against her side. This has been observed in captivity, and they are the only commonly captive-spawned puffer species.

Target-group puffers have also been spawned in aquariums, and follow a similar courting behavior, minus the crest/keel display. However, eggs are laid on a flat piece of slate or other smooth hard material, to which they adhere. The male will guard them until they hatch, carefully blowing water over them regularly to keep the eggs healthy. His parenting is finished when the young hatch, and the fry are on their own.
Information on breeding of specific species is very limited. T. nigroviridis, the green-spotted puffer, has recently been artificially spawned under captive conditions. It is believed to spawn in bays in a similar manner to saltwater species, as their sperm were found to be motile only at full marine salinities, but actual wild breeding has never been observed.

In 2012, male pufferfish were documented carving large geometric, circular structures in the seabed sand in Amami Ōshima, Japan. The structures apparently serve to attract females and provide a safe place for them to lay their eggs.

Thank For WIGI.

Fisherman

 

          A fisherman or fisher is someone who captures fish and other animals from a body of water, or gathers shellfish. Worldwide, there are about 38 million commercial and subsistence fishermen and fish farmers.The term can also be applied to recreational fishermen and may be used to describe both men and women. Fishing has existed as a means of obtaining food since the Mesolithic period.

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fishing lures Types

           There are many types of fishing lures. They are all manufactured in different ways to resemble prey for the fish in most cases, but are sometimes engineered to appeal to a fishes sense of territory, curiosity or aggression. Most lures are made to look like dying, injured, or fast moving fish. They include the following types 

•  A jig is a weighted hook with a lead head opposite the sharp tip. They are often covered with a minnow or crawfish or even a plastic worm to get the fish's attention. The angler moves the rod to make the jig move.

Deep water jigs used in saltwater fishing consist of a large metallic weight, which gives the impression of the body of the baitfish, which has a hook attached via a short length of kevlar usually to the top of the jig. These types of jigs can be fished in water depths down to 300 metres.

• Surface lures are also known as top water lures, poppers and stickbaits. They float and resemble prey that is on top of the water. They can make a popping sound from a concave-cut head, a burbling sound from "side fins" or scoops or a buzzing commotion from one or several propellers. A few have only whatever motion the fisherman applies through the rod itself, though if skillfully used, they can be very effective.
• Spoon lures are made to resemble the inside of a table spoon. They flash in the light while wobbling or darting due to their shape, and attract fish.
• Plugs are also known as crankbaits or minnows. These lures have a fishlike body shape and they are run through the water where they can make a variety of different movements caused by instability due to the bib at the front under the head.
• Artificial flies are designed to resemble all manner of fish prey and are used with a fly rod and reel in fly fishing.
• Soft plastic baits/lures is a general category of lures that are made of plastic or rubber, and are designed to resemble fish, crabs, squid, worms, lizards, frogs, leeches and other creatures.
• Spinnerbait are pieces of wire bent at about a 60 degree angle with a hook on the lower end and a flashy spinner mechanism on the upper end.
• Swimbait is a form of soft plastic bait/lure that resembles an actual baitfish. It can be retrieved like a plug/minnow lure. Some of these have a swimming, paddle, tail. The development in the finishes in these types of plastic lures have meant that the finishes achieved now look more like a baitfish than ever before.

          Fishing lures can be made of wood, plastic, rubber, metal, cork, and materials like feathers, animal hair, string, tinsel and others. They can have many moving parts or no moving parts. They can be retrieved fast or slow. Some of the lures can be used by alone, or with another lure.

         One advantage of use of artificial lures is a reduction in use of bait. This contributes to resolving one of the marine environment's more pressing problems; the undermining of marine food webs by overharvesting "bait" species which tend to occur lower in the food chain. Another advantage of lures is that their use promotes improved survival of fish during catch and release fishing. This is because lures reduce the incidence of deep hooking which has been correlated to fish mortality in many studies. Mortality by swallowing hooks is mostly caused by the handling stress and damage resulting from removing the hook from the gut or throat. The best course of action when a fish is gut-hooked is to leave the hook and cut the line as soon as possible. Hooks will then be encapsulated or evacuated from the body. Use of non corroding steel is not recommended because a corroding hook will be easier to for the fish to expel.

Thank for Info : http://en.wikipedia.org

Fly fishing

          Fly fishing is an angling method in which an artificial 'fly' is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or 'lure' requires casting techniques significantly different from other forms of casting. Fly fishermen use hand tied flies that resemble natural invertebrates or other food organisms, or 'lures' to provoke the fish to strike.

          Fly fishing can be done in fresh or salt water. North Americans usually distinguish freshwater fishing between cold-water species (trout, salmon, steelhead) and warm-water species, notably bass. In Britain, where natural water temperatures vary less, the distinction is between game fishing for trout or salmon and coarse fishing for other species. Techniques for fly fishing also differ with habitat (lakes and ponds, small streams, large rivers, bays and estuarys and open ocean.)

          Author Izaak Walton called fly fishing "The Contemplative Man's Recreation".

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Plug (fishing)

          Plugs are a popular type of hard-bodied fishing lure. They are widely known by a number of other names depending on the country and region. Such names include crankbait, wobbler, minnow, shallow-diver and deep-diver. The term minnow is usually used for long, slender, lures that imitate baitfish, while the term plug is usually used for shorter, deeper-bodied lures which imitate deeper-bodied fish, frogs and other prey. Shallow-diver and deep-diver refer to the diving capabilities of the lure, which depends on the size of the lip and lure buoyancy.


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Surface lure

Surface lure

          A surface lure is a fishing lure designed to waddle, pop, lock, drop, pulse, twitch or fizz across the surface of the water as it is retrieved, and in doing so imitate surface prey for fish such as mice, lizards, frogs, cicadas, moths and small injured fish. A typical surface lure has a solid body made out of wood or plastic, carries one or two treble hooks, and has an eyelet at the front of the lure body to attach the fishing line. Waddlers get their action from a scooped metal dish attached to the front of the lure body. Poppers get their action from a cupped face carved or molded into the front of the lure body. Fizzers get their action both from the fisherman manipulating the lure with the fishing rod and from one or more blades attached to the lure body, that spin when the lure is pulled and create a fizzing noise said to imitate the buzzing wings of a drowning insect.

Sizeable fish can create a sudden, noisy and spectacular explosion when they take a surface lure, usually giving the fisherman a fright in the process. Catching fish on surface lures is therefore considered a fairly exciting form of fishing.

Thank for Info : http://en.wikipedia.org

Fishing

Fishing

          Fishing is the activity of trying to catch fish. Fish are normally caught in the wild. Techniques for catching fish include hand gathering,spearing, netting, angling and trapping.

The term fishing may be applied to catching other aquatic animals such as molluscs, cephalopods, crustaceans, and echinoderms. The term is not normally applied to catching farmed fish, or to aquatic mammals, such as whales, where the term whaling is more appropriate.

          According to FAO statistics, the total number of commercial fishermen and fish farmers is estimated to be 38 million. Fisheries and aquaculture provide direct and indirect employment to over 500 million people.In 2005, the worldwide per capita consumption of fish captured from wild fisheries was 14.4 kilograms, with an additional 7.4 kilograms harvested from fish farms. In addition to providing food, modern fishing is also a recreational pastime.

Thank for Info : http://en.wikipedia.org

Techniques

Techniques

          There are many fishing techniques or methods for catching fish. The term can also be applied to methods for catching other aquatic animals such asmolluscs (shellfish, squid, octopus) and edible marine invertebrates.

          Fishing techniques include hand gathering, spearfishing, netting, angling and trapping. Recreational, commercial and artisanal fishers use different techniques, and also, sometimes, the same techniques. Recreational fishers fish for pleasure or sport, while commercial fishers fish for profit. Artisanal fishers use traditional, low-tech methods, for survival in third-world countries, and as a cultural heritage in other countries. Mostly, recreational fishers use angling methods and commercial fishers use netting methods.

          There is an intricate link between various fishing techniques and knowledge about the fish and their behaviour including migration, foraging and habitat. The effective use of fishing techniques often depends on this additional knowledge. Some fishermen follow fishing folklores which claim that fish feeding patterns are influenced by the position of the sun and the moon.

Thank for Info : http://en.wikipedia.org

Popular Sport Fish

Red Grouper

          Red Grouper: Bottom dwelling fish associated with hardbottom; juveniles offshore along with adults greater than six years old; nearshore reefs

Black Grouper

          Black Grouper: Offshore species; adults associated with rocky bottoms, reef, and drop-off walls in water over 60 feet deep; young may occur inshore in shallow water

Gag Grouper 

          
          Gag Grouper: Adults offshore over rocks and reefs; juveniles occur in seagrass beds inshore

Goliath Grouper

          Goliath Grouper: Nearshore around docks, in deep holes on ledges; young often occur in estuaries especially around oyster bars; more abundant in southern Florida. Protected species closed to harvest

Nassau Grouper

          Nassau Grouper: Range limited to south Florida. Smaller individuals are found nearshore, adults are found offshore on rocky reefs. Forms large spawwning aggregations. Protected species closed to harvest.

Crevalle Jack

          
          Crevalle Jack (Jack Crevalle): Common to both inshore waters and the open sea.

African Pompano

          African Pompano: Young are found in the open ocean. Adults are found to depths of 180 ft., often associated with reefs, wrecks, and rock ledges.




Thank for Info : 
http://ocean.floridamarine.org/boating_guides/florida_keys/pages/sport_fish.html

Fishing reel

           
          A fishing reel is a "cylindrical device attached to a fishing rod used in winding the line". Modern fishing reels usually have fittings which make it easier to retrieve the line and deploy ("cast") it for better accuracy or distance. Fishing reels are traditionally used in the recreational sport ofangling. They are most often used in conjunction with a fishing rod, though some specialized reels are mounted directly to boat gunwales or transoms. The earliest known illustration of a fishing reel is from Chinese paintings and records beginning about 1195 AD. Fishing reels first appeared in England around 1650 AD, and by the 1760s, London tackle shops were advertising multiplying or gear-retrieved reels. Paris, Kentuckynative George W. Snyder is generally given credit for inventing the first fishing reel in America around 1820, a bait casting design that quickly became popular with American anglers

Thank for Info :  http://en.wikipedia.org

Popular Sport Fish

          Red Drum (Redfish): Inshore near grass beds, oyster bars, and docks pilings; deeper channels during the warmest and coolest months

          Snook:  Canals, tidal creeks, and other deep warm waters in cool months; near tidal passes and mangrove fringe at high tide

          
          Spotted Seatrout (Speckled seatrout): Inshore over grass beds, sand, and sandy/mud bottoms; deeper water during warmest and coolest months

           
          Tarpon: Found mostly inshore near bridges, pilings, rock walls, harbors, around structures, and on flats

        
           Bonefish: Primarily and inshore fish; found in shallows often less than one foot deep, usually over lush grass flats, occasionally over white sand.

         
         Spanish Mackerel: Inshore, nearshore, and offshore over grass beds and reefs

        
           Cero Mackerel: Nearshore and offshore, especially over coral reefs and wrecks; common in south Florida

         
           King Mackerel (Kingfish): Nearshore and offshore; occasionally taken from piers running into deep water

          
          Wahoo: Offshore game fish associated with the Gulf Stream and blue water

          Sailfish: Offshore game fish associated with the Gulf Stream and blue water


Thank for Info : http://ocean.floridamarine.org/boating_guides/florida_keys/pages/sport_fish.html#Top

Doctor fish

Doctor fish is the name given to two species of fish: Garra rufa and Cyprinion macrostomum. Other nicknames include nibble fish, kangal fish,physio fish, and doctorfishen; in non-medical contexts, Garra rufa is called the reddish log sucker. They live and breed in the outdoor pools of some Turkish spas, where they feed on the skin of patients with psoriasis. The fish are like combfishes in that they only consume the affected and dead areas of the skin, leaving the healthy skin to grow, with the outdoor location of the treatment bringing beneficial effects. The spas are not meant as a curative treatment option, only as a temporary alleviation of symptoms, and patients usually revisit the spas every few months.


Thank for Info : http://en.wikipedia.org

Fishing lure

          A fishing lure is an object attached to the end of a fishing line which is designed to resemble and move like the prey of a fish. The purpose of the lure is to use movement, vibration, and colour to catch the fish's attention so it bites the hook. Lures are equipped with one or more single, double, or treblehooks that are used to hook fish when they attack the lure.

          Lures are usually used with a fishing rod and fishing reel. When a lure is used for casting, it is continually cast out and retrieved, the retrieve making the lure swim or produce a popping action. A skilled angler can explore many possible hiding places for fish through lure casting such as under logs and on flats






Thank for Info : http://en.wikipedia.org

Diversity of fish

The term "fish" most precisely describes any non-tetrapod craniate (i.e. an animal with a skull and in most cases a backbone) that has gills throughout life and whose limbs, if any, are in the shape of fins. Unlike groupings such as birds or mammals, fish are not a single clade but a paraphyletic collection of taxa, including hagfishes, lampreys, sharks and rays, ray-finned fish, coelacanths, and lungfish. Indeed, lungfish and coelacanths are closer relatives of tetrapods (such as mammals, birds, amphibians, etc.) than of other fish such as ray-finned fish or sharks, so the last common ancestor of all fish is also an ancestor to tetrapods. As paraphyletic groups are no longer recognised in modern systematic biology, the use of the term "fish" as a biological group must be avoided.

Many types of aquatic animals commonly referred to as "fish" are not fish in the sense given above; examples include shellfish, cuttlefish, starfish, crayfish and jellyfish. In earlier times, even biologists did not make a distinction – sixteenth century natural historians classified also seals, whales, amphibians, crocodiles, even hippopotamuses, as well as a host of aquatic invertebrates, as fish.However, according the definition above, all mammals, including cetaceans like whales and dolphins, are not fish. In some contexts, especially in aquaculture, the true fish are referred to as finfish (or fin fish) to distinguish them from these other animals.

A typical fish is ectothermic, has a streamlined body for rapid swimming, extracts oxygen from water using gills or uses an accessory breathing organ to breathe atmospheric oxygen, has two sets of paired fins, usually one or two (rarely three) dorsal fins, an anal fin, and a tail fin, has jaws, has skin that is usually covered with scales, and lays eggs.

A typical fish is ectothermic, has a streamlined body for rapid swimming, extracts oxygen from water using gills or uses an accessory breathing organ to breathe atmospheric oxygen, has two sets of paired fins, usually one or two (rarely three) dorsal fins, an anal fin, and a tail fin, has jaws, has skin that is usually covered with scales, and lays eggs. Each criterion has exceptions. Tuna, swordfish, and some species of sharks show some warm-blooded adaptations—they can heat their bodies significantly above ambient water temperature. Streamlining and swimming performance varies from fish such as tuna, salmon, and jacks that can cover 10–20 body-lengths per second to species such as eels and rays that swim no more than 0.5 body-lengths per second. Many groups of freshwater fish extract oxygen from the air as well as from the water using a variety of different structures. Lungfish have paired lungs similar to those of tetrapods, gouramis have a structure called the labyrinth organ that performs a similar function, while many catfish, such as Corydoras extract oxygen via the intestine or stomach. Body shape and the arrangement of the fins is highly variable, covering such seemingly un-fishlike forms as seahorses, pufferfish, anglerfish, and gulpers. Similarly, the surface of the skin may be naked (as in moray eels), or covered with scales of a variety of different types usually defined as placoid (typical of sharks and rays), cosmoid (fossil lungfish and coelacanths), ganoid (various fossil fish but also living gars and bichirs), cycloid, and ctenoid (these last two are found on most bony fish). There are even fish that live mostly on land. Mudskippers feed and interact with one another on mudflats and go underwater to hide in their burrows.[10] The catfish Phreatobius cisternarum lives in underground, phreatic habitats, and a relative lives in waterlogged leaf litter.

Fish range in size from the huge 16-metre (52 ft) whale shark to the tiny 8-millimetre (0.3 in) stout infantfish.

Fish species diversity is roughly divided equally between marine (oceanic) and freshwater ecosystems. Coral reefs in the Indo-Pacific constitute the center of diversity for marine fishes, whereas continental freshwater fishes are most diverse in large river basins of tropical rainforests, especially the Amazon, Congo, and Mekong basins. More than 5,600 fish species inhabit Neotropical freshwaters alone, such that Neotropical fishes represent about 10% of all vertebrate species on the Earth.

Topwater fishing lure

 A Topwater fishing lure is a type of fishing lure, usually floating, that may be moved about the surface of water in order to attract and cause fish to attempt to strike the lure. Non-floating versions may be retrieved at sufficient speed to cause them to travel at the water's surface.

        Such lures are often designed to resemble smaller creatures that would normally be considered as food for the target fish species. (They are painted to look like the prey of the target species; usually smaller fish, frogs, or insects.) One of the key features of the topwater lure is the "action" that it imparts as it travels along the water's surface. The more effective lures have an action that closely resembles that of the actual living creature. The lure is typically fitted with one of more fish hooks (usually treble hooks) to hook the target fish as it strikes the lure. Variations exist that include internal rattles to generate sound that might be similar to the sounds created by the actual, live creature being emulated. some also include small light sources such as LEDs that might be battery powered. There are also jointed bodies, moving eyes, holographic finishes, etc. all of which are incorporated to encourage the target species to strike the lure. The lure is normally attached to the end of a fishing line that is attached to a fishing rod and reel and is cast into areas where the target species might be found and "worked" skillfully within that are to encourage strikes.


       This type of fishing is considered by many to one of the more exciting methods used to catch fish. A frequent mistake when fishing topwater lures is to initiate the hookset immediately upon seeing the fish strike the lure. In many species, especially bass, it is important to wait a few seconds before initiating the hookset to ensure that the lure is in the best position in the fish's mouth to optimize the chances of a successful hooking. black bass, spotted seatrout, ladyfish, redfish, bluefish, tarpon, bonefish, barracuda, & pickerel are examples of fish that might be taken by the topwater approach.

Fish hook

 A fish hook is a device for catching fish either by impaling them in the mouth or, more rarely, by snagging the body of the fish. Fish hooks have been employed for centuries by fishermen to catch fresh and saltwater fish. In 2005, the fish hook was chosen by Forbes as one of the top twenty tools in the history of man. 


     Fish hooks are normally attached to some form of line or lure device which connects the caught fish to the fisherman. There is an enormous variety of fish hooks in the world of fishing. Sizes, designs, shapes, and materials are all variable depending on the intended purpose of the fish hook. 


    Fish hooks are manufactured for a range of purposes from general fishing to extremely limited and specialized applications. Fish hooks are designed to hold various types of artificial, processed, dead or live baits (bait fishing); to act as the foundation for artificial representations of fish prey (fly fishing); or to be attached to or integrated into other devices that represent fish prey (lure fishing).

Fish hook : 2

 The fish hook or similar device has probably been made by man for many thousands of years. Examples of some of the earliest recorded fish hooks were from Palestine about 7000 BC. In 2011, archaeologists in the Jerimalai cave in East Timor discovered the world's oldest fish hook, a shell hook between 16,000 and 23,000 years old.Man has crafted fish hooks from all sorts of materials including wood, animal and human bone, horn, shells, stone, bronze, iron up to present day materials. In many cases, hooks were created from multiple materials to leverage the strength and positive characteristics of each material.
    Norwegians as late as the 1950s still used juniper wood to craft Burbot hooks. Quality steel hooks began to make their appearance in Europe in the 17th century and hook making became a task for professionals.

Fish hook : Anatomy and construction

Commonly referred to parts of a fish hook are: its point - the sharp end that penetrates the fish's mouth or flesh; the barb - the projection extending backwards from the point, that secures the fish from unhooking; the eye - the end of the hook that is connected to the fishing line or lure; the bend and shank - that portion of the hook that connects the point and the eye; and the gap - the distance between the shank and the point. In many cases, hooks are described by using these various parts of the hook. Example: Wide gap, 2X Long Shank, Hollow Point, Turned Down Ring Eye Bait hook. Contemporary hooks are manufactured from either high-carbon steel, steel alloyed with Vanadium, or stainless steel, depending on application. Most quality fish hooks are covered with some form of corrosion-resistant surface coating. 


    Corrosion resistance is required not only when hooks are used, especially in saltwater, but while they are stored. Additionally, coatings are applied to color and/or provide aesthetic value to the hook. At a minimum, hooks designed for freshwater use are coated with a clear lacquer, but hooks are also coated with gold, nickel, Teflon, tin and different colors. Mustad, for example, produces hooks in six colors, including black.

Fish hook : Hook types

    There are a large number of different types of fish hooks. At the macro level, there are bait hooks, fly hooks and lure hooks. Within these broad categories there are wide varieties of hook types designed for different applications. Hook types differ in shape, materials, points and barbs, and eye type and ultimately in their intended application. When individual hook types are designed the specific characteristics of each of these hook components are optimized relative to the hook's intended purpose. For example, a delicate dry fly hook is made of thin wire with a tapered eye because weight is the overriding factor.

    Whereas Carlise or Aberdeen light wire bait hooks make use of thin wire to reduce injury to live bait but the eyes are not tapered because weight is not an issue. Many factors contribute to hook design, including corrosion resistance, weight, strength, hooking efficiency, and whether the hook is being used for specific types of bait, on different types of lures or for different styles of flies. For each hook type, there are ranges of acceptable sizes. For all types of hooks, sizes range from 32 (the smallest) to 20/0 (the largest).

Fish hook : Shapes and names

Shapes and names

Hook shapes and names are as varied as fish themselves. In some cases hooks are identified by a traditional or historic name, e.g. Aberdeen, Limerick or O'Shaughnessy. In other cases, hooks are merely identified by their general purpose or have included in their name, one or more of their physical characteristics. Some manufacturers just give their hooks model numbers and describe their general purpose and characteristics. For example:

• Eagle Claw: 139 is a Snelled Baitholder, Offset, Down Eye, Two Slices, Medium Wire
• Lazer Sharp: L2004EL is a Circle Sea, Wide Gap, Non-Offset, Ringed Eye, Light Wire
• Mustad Model: 92155 is a Beak Baitholder hook
• Mustad Model: 91715D is a O'Shaughnessy Jig Hook, 90 degree angle
• TMC Model 300: Streamer D/E, 6XL, Heavy wire, Forged, Bronze
• TMC Model 200R: Nymph & Dry Fly Straight eye, 3XL, Standard wire, Semidropped point, Forged, Bronze

The shape of the hook shank can vary widely from merely straight to all sorts of curves, kinks, bends and offsets. These different shapes contribute in some cases to better hook penetration, fly imitations or bait holding ability. Many hooks intended to hold dead or artificial baits have sliced shanks which create barbs for better baiting holding ability. Jig hooks are designed to have lead weight molded onto the hook shank. Hook descriptions may also include shank length as standard, extra long, 2XL, short, etc. and wire size such as fine wire, extra heavy, 2X heavy, etc.

Single, double and treble hooks

Bait hook shapes and names include the Salmon Egg, Beak, O'Shaughnessy, Baitholder, Shark Hook, Aberdeen, Carlisle, Carp Hook, Tuna Circle, Offset Worm,Circle Hook, suicide hook, Long Shank, Short Shank, J Hook, Octopus Hook and Big Game Jobu hooks.
Bait hook shapes and names

Fly hook shapes and names

Fly hook shapes include Sproat, Sneck, Limerick, Kendal, Viking, Captain Hamilton, Barleet, Swimming Nymph, Bend Back, Model Perfect, Keel, and Kink-shank.