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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] Teeth typically have three smooth cusps, but can have as many as five cusps. [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 ...
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
Pairs of eggs are laid at a time, one per oviduct. [6] Females have been documented producing eggs even after years without male contact, suggesting that they may be able to store sperm. [11] The purse-shaped egg capsules are relatively large and thick, measuring around 12 cm (4.7 in) long and 7 cm (2.8 in) across. The capsule surface is smooth ...
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 ...
The anal fin is larger than the second dorsal fin and is rounded in juveniles, becoming more angular in adults. The large caudal fin has a distinct lower lobe and a deep ventral notch near the tip of the upper lobe. The skin is thick and made rough by widely spaced, arrowhead-shaped dermal denticles with three horizontal ridges. The dorsal ...
Shark teeth are strong and made of enamel. Many sharks have 3 rows of teeth. These teeth are embedded in the gums, not the jaw. [10] Sharks are born with teeth that are constantly being replaced. Teeth are replaced every two weeks, approximately. [10] The shape of the teeth determine the diet of the shark.