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Body
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Generally small--3 feet. Cat-like eyes with rudimentary nictitating membrane. First dorsal behind pelvic fins.
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Small, 6 to 7.6 inches, although pups can be 4 inches at birth.
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To 10 feet, slender. First dorsal fin is long and low. Soft, dark-brown body. Eyes appear to squint, nictating membranes. Ovoviviparous.
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Small, slender, to 2.5 feet. internal nictitating eyelids. Nostrils have thin barbels. Light grey or grey-brown shark. Dorsal fins of equal size. Viviparous.
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Slender body, small to moderate-sized sharks up to 6.5 feet. Long, pointed snout and long, angular mouth. Otherwise, similar to Whaler Sharks.
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Small to medium sized, similar in form to Whaler Sharks.
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Most 'typical of shark form. Solid build. Size range from 3 to 10 ft. Eyes with nictitating membranes. All but Tiger Sharks are viviparous with placenta
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Flattened, hammer-like extensions on head, with eyes at ends. Body moderatey slender.
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Food
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Small fish, invertebrates
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Small fish, invertebrates
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Fish
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Crustaceans, small fish
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Crustaceans, cephalopods, and fish.
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Small fish, cephalopods, crustaceans
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Fish, eels, other sharks, skates, squid, crustaceans
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Mostly bony fish, squid.
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Habitat
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Well dispersed world-wide, from shallow tropical to arctic. Especially African & Australian seas. Deep water to 6,600 feet.
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Tropical to warm temperate waters. Moderately deep to 2,300 feet.
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Deep water 660 to 4,900 feet. Bottom dwelling. All oceans.
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Tropical ,West African continental shelf, 70 to 230 feet near river mouths, muddy bottoms.
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Tropical and temperate seas. Cose to the bottom, ranging from coastal shallows to 6,500 feet with some species.
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Coastal tropical eastern Atlantic and continental Indo-West Pacific. Depths from shallow to 320 feet,
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Worldwide, warm and temperate oceans.
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Warm temperate & tropical oceans over continental shelves. To 900 feet.
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