Small, rarely-seen dogfish shark Cigar-shaped body 20 inches in length Large eyes with green pupils Live from the surface – 11,500 ft deep
Inhabits warm, deep waters of equatorial oceans, primarily in coastal waters near islands Inhabit deep water during the day and migrate into surface waters at night
Bioluminescent belly Glows a pale blue-green that matches the background light from the ocean's surface Serves as camouflage to creatures beneath it Has a small non-luminescent patch (appears black) Deceives the shark's prey, smaller predatory fish (like tuna), into thinking the shark is an even smaller fish
Derives its name from the shape of the bite marks it makes in its prey Removes small circular plugs of flesh and skin from cetaceans and large fish Attaches with its suctorial lips and modified pharynx Then rotates its body to achieve a round, symmetrical cut
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