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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 ...
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]
With his hand close to razor sharp teeth, shark expert Neil Harvey attempts tonic immobility in a large reef shark. Tonic can be induced by turning a shark upside down, but that's not the only way.
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 ]
Yoko, a baby swell shark, swims in a tank at Shreveport Aquarium in Shreveport, Louisiana. The shark hatched from an egg on Jan. 3, 2025. Aquarium staff are unsure how the egg came to be, as ...
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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.