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The thresher sharks have an extreme example of this tail in which the upper lobe has evolved into a weapon for stunning prey. Bottom-dwelling sharks such as catsharks and carpet sharks have tails with long upper lobes and virtually no lower lobe. The upper lobe is held at a very low angle, which sacrifices speed for maneuverability.
The shark catfishes form the family Pangasiidae.They are found in fresh and brackish waters across southern Asia, from Pakistan to Borneo. [1] Among the 30-odd members of this family is the plant-eating, endangered Mekong giant catfish Pangasianodon gigas, one of the largest known freshwater fish. [1]
Oxynotus is a genus of sharks in the order Squaliformes, commonly known as the rough sharks. It is the only extant genus in the family Oxynotidae. They live in deep waters in the Atlantic and western Pacific Oceans. Rough sharks are small to medium in size, ranging from 49 to 150 cm (1.61 to 4.92 ft) in adult body length, depending on species.
Unlike humans, fish have little or nothing in the way of a tongue, and those that have such an organ do not use it for tasting, but merely for cushioning the mouth and manipulating things within it. The papillae of the fish, and the taste buds found on them, are therefore located on the interior or exterior surfaces of the mouth. [ 2 ]
The chain catshark has been described as "gorgeous", [14] and this, combined with its small size, makes it a popular cold-water aquarium fish. [7] [13] It is frequently displayed and bred at public aquariums. [4] [7] Research in shark behavior, including reproduction, has been done in chain catsharks kept in public aquariums or laboratories. [4 ...
The Tete sea catfish (Ariopsis seemanni) or Colombian shark catfish is a species of sea catfish in the family Ariidae, native to Pacific-draining rivers and estuaries in Central and South America. [ 1 ]
These sharks eat mostly teleost fishes (particularly myctophids), cephalopods and crustaceans. [6] Females produce a maximum of one to two pups every one to two years. Newborn pups range in size from 35 cm to 40 cm. Evidence suggests that the left-side uterus is less functional than the right-side. [7] They can live up to 46 years on average.
Adult fish in aquarium. S. canicula are small, shallow-water sharks with a slender body and a blunt head. The two dorsal fins are located towards the tail end of the body. The texture of their skin is rough, similar to the coarseness of sandpaper