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Like other sharks, the horn shark's teeth are regularly replaced; it takes 4 weeks for a dropped tooth to be replaced. [13] The horn shark captures prey via suction, created by expanding its buccal cavity. Its labial cartilages are modified so that the mouth can form a tube, facilitating the suction force. Once the prey is drawn into the mouth ...
An egg case or egg capsule, often colloquially called a mermaid's purse, is the casing that surrounds the eggs of oviparous chondrichthyans. Living chondricthyans that produce egg cases include some sharks, skates and chimaeras. Egg cases typically contain one embryo, except for big skate and mottled skate egg cases, which contain up to 7 ...
Basking shark: Cetorhinus maximus: Cetorhinidae: Endangered [16] Basking shark: Frilled shark: Chlamydoselachus anguineus: Chlamydoselachidae: Least concern [17] Frilled shark in Aquarium Tropical at Palais de la Porte Dorée: Horn shark: Heterodontus francisci: Heterodontidae: Data Deficient [18] Horn shark at Monterey Bay Aquarium: Sevengill ...
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In California, this shark is usually found in shallow waters that are less than 12 meters (39 ft 4 in) deep, but it has been found to a maximum depth of 67 meters (219 ft 10 in). In the Gulf of California, the majority of gray smooth-hounds are found less than 80 meters (262 ft 6 in) deep but have been found up to 265 meters (869 ft 5 in) below ...
The Mexican hornshark (Heterodontus mexicanus) is a bullhead shark of the family Heterodontidae. This shark is grey-brown in color, with black spots scattered on the fins and body. It has a cylindrical trunk, conical head, and small spiracles behind the eyes. The snout of the Mexican hornshark is very round and blunt.
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The swell shark is found in the eastern Pacific Ocean, from the central California coast to southern Mexico. [ 1 ] [ 2 ] There is an additional population off the coast of Chile. [ 2 ] [ 3 ] It can be found between the depths of 5 and 457 m (16 and 1,499 ft), but is most common between 5 and 37 m (16 and 121 ft).