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Swell sharks hunt at night for bony fish, molluscs, and crustaceans. [2] [3] They will eat prey that is dead or alive. [3] They feed either by sucking prey into their mouth or by waiting motionless on the sea floor with their mouth open, waiting to encounter prey. [2] [4] Swell sharks have also been known to look for food in lobster traps. [2]
These sluggish, bottom-dwelling sharks are found widely in the tropical and temperate coastal waters of the Indian and Pacific Oceans. They have stocky, spindle-shaped bodies and short, broad, and flattened heads. The mouth is capacious, containing many small teeth and lacking furrows at the corners.
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 ...
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 ...
Lighter Side. Medicare. new; News. Science & Tech. Shopping. Sports. Weather. 24/7 Help. ... The marine mammals often seen on the shores of the American and Sacramento rivers are sea lions.
It possibly arrived through crossing an ice-bridge at a time of low sea-levels, such as particularly cold periods 340,000 years ago, 150,000 years ago or 25,000 years ago. Its nearest relative was the maned wolf, an extant South American canid. [10] [11] It became extinct in the mid-19th century [1] as human settlement spread.
“We do one docent for every six kids. That’s 10 docents on that walk,” with more volunteers setting up spotting scopes so the kids can get a closer look at the sea lions barking on nearby rocks.
Sea lions also use their sense of vision and smell to identify each other in groups, too. Moms and their babies have a special way of communicating with each other. It's called the 'mother-pup ...