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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]
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 ]
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 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
By inflating, the shark may be able to wedge itself inside crevices, make itself harder to swallow, or simply intimidate a would-be predator. [4] Marine snails are known to prey upon this shark's eggs. The Australian swellshark serves as a host to a number of parasite species, but these are poorly documented. [3]
This shark is cream-colored with dark brownish to grayish mottling on the back and sides, and seven dark brown dorsal "saddles" on the body and tail. The mottling intensifies with age, while the saddles fade and may become obscured. Older sharks may also have a dark blotch on either side between the pectoral and pelvic fins.
"The shark takes off because clearly, that's not what the shark was interested in. If you look at maybe something like a six-foot bull shark, just by the sheer size, it's going to do a lot more ...
Researchers expect a smaller shark to fall prey to bigger sharks, but one measuring 8 feet was pretty unexpected, he said. The fact that this happened is a testament to how little is known about ...