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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]
Swellshark diversity is greatest around Australia and in the west-central Pacific, where multiple endemic species are found. The most far-flung members of the genus are C. sufflans off southeastern Africa, C. silasi off southwestern India , C. umbratile in the northwestern Pacific, and C. ventriosum along the western coast of the Americas . [ 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 ...
Audubon Nature Institute shared different voices that their sea lions make, and they'll make you smile! The nature institute shared the video on Tuesday, February 5th. It's not very long, but we ...
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 ...
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 ...
California sea lions feed on a number of species of fish and squid, and are preyed on by orcas and great white sharks. California sea lions have a polygynous breeding pattern. From May to August, males establish territories and try to attract females with which to mate. Females are free to move in between territories, and are not coerced by males.
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.