GINGLYMOSTOMA CIRRATUM PDF

Ginglymostoma cirratum, the nurse shark, resides in coastal waters in the Pacific and Atlantic Oceans. In the Pacific Ocean, nurse sharks are found in waters off. Ginglymostoma cirratum. These bottom dwelling sharks are usually yellowish-tan to dark brown and, as adults, average around to 8 feet. Reference for: Ginglymostoma cirratum. Source: NODC Taxonomic Code, database (version ). Acquired: Notes: Reference for: Ginglymostoma cirratum.

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Nurse sharks, Ginglymostoma cirratum Bonnaterre,reach a maximum of 4. The nurse shark is a common reef-associated bottom-dwelling shark found in brackish and marine environments in the shallows to m. Closely related species are found in the Indian Ocean short-tail nurse shark – Pseudoginglymostoma brevicaudatum. Commonly found over shallow sand flats, in channels, and around coral reefs.

Young may be found among prop roots of red mangroves. Nurse sharks ginglhmostoma a strong preference for certain resting sites and repeatedly return to the same caves and crevices following nocturnal activity.

Nurse sharks, Ginglymostoma cirratumcorratum nocturnal, feeding on bottom invertebrates such as spiny lobsters, shrimps, crabs, sea urchins, squids, octopuses, snails and bivalves, and fishes such as catfishes, mullets, puffers and stingrays.

Nurse sharks are ovoviviparous that give birth to pups in a litter. Young in the uterus are ginglymostomz by a large supply of yolk.

Nurse shark

Females give birth in late spring and summer in waters off Florida. During courtship, a pair sometimes a triplet of adults were observed engaged in synchronized parallel swimming. Then the male inserts a clasper in her vent, and then rolls on his back beside the female.

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This is the method of reproduction for the “live-bearing” fishes where pups hatch ginglymodtoma egg capsules inside the mother’s uterus and are born soon afterward. Also known as aplacental viviparous.

Nurse sharks are non-aggressive and will generally swim away when approached; they are one of the most docile animals in the sea. However, some unprovoked attacks on swimmers and divers have been reported. If disturbed the bite is powerful and capable of inflicting serious injury.

IUCN Red List of Threatened Species

In some instances, jaws release was accomplished only after using surgical instruments. It is not true that that all sharks need to swim in order to breathe, and when ginglymostoam cannot for whatever reason, they die. Sharks breathe primarily by using a ram-jet ventilation system used while they are swimming. Some sharks, however, have a second system based on respiratory pumping of water. Nurse sharks can switch to this respiratory system when they are at rest, saving energy and the necessity to swim to move water and oxygen over their gills.

This dual respiratory system is especially important for bottom dwellers such as nurse sharks. Start or join a discussion about this species below or send us an email to report any errors or submit suggestions for this page. We greatly appreciate all feedback!

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