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Swell sharks have a yellow-brown coloration, with brown and white spots. [2] The spots cover their underside, but are not present on their fins. [2] Usually the younger sharks are lighter in color than the adults. [2] The gills of a swell shark are usually very small and tight. [2] Every swell shark has around 55–60 teeth. [2]
Cephaloscyllium is a genus of catsharks, and part of the family Scyliorhinidae, commonly known as swellsharks because of their ability to inflate their bodies with water or air as a defense against predators. These sluggish, bottom-dwelling sharks are found widely in the tropical and temperate coastal waters of the Indian and Pacific Oceans ...
The eggs of this oviparous species are contained in smooth, light yellow flask-shaped capsules, which have a flanged margin and horns at the corners that support long, coiled tendrils. [3] The hatchlings seem to lack the specialized denticle used by other swellsharks to break out of the egg case. [ 4 ]
Other common names for this species include flopguts (a reference to its ability to inflate), [4] Isabell's swell shark, nutcracker shark, rock shark, sleepy Joe, and spotted swellshark. [5] This species is almost identical to the draughtsboard shark ( C. isabellum ) of New Zealand ; the two species differ in coloration and the form of their ...
The entire body of a shark is a very efficient eating machine. Each organ has been fine-tuned for hunting and acquiring food. Sharks are built to feed: Here's why they are the ultimate eating machines
Unusually for such a small shark, it also feeds on at least 10 species of cartilaginous fishes, including lantern sharks, catsharks (particularly the cloudy catshark, Scyliorhinus torazame, and its eggs), the electric ray Narke japonica, and skates (including their eggs). It also cannibalizes smaller members of its own species.
In some cases — bull sharks, mako sharks and baby sand tiger sharks, for example — sharks will even eat their own species. But cases of large sharks eating other large sharks, the subject of ...
Sharks portal; The Indian swellshark (Cephaloscyllium silasi) is a catshark of the family Scyliorhinidae found in the western Indian Ocean from Quilon, India and Sauqira Bay, Oman between latitudes 16° N and 10° N, from the surface to 300 m. It grows to about 36 cm in length, and can expand its body by taking in air or water to make it appear ...