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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Gestation takes 5 to 6 months.
Population structure of nurse sharks, Ginglymostoma cirratum Orectolobiformescaught off Ceara State, Brazil, south-western Equatorial Atlantic. Nurse sharks have five gills located between the head and xirratum dorsal fin. Some suggest this posture may provide a false shelter for crabs and small fishes that the shark can ambush and eat Compagno et al.
Nurse sharks are an important species for shark research predominantly in physiology. Nurse sharks are obligate ocean floor feeders. This dual respiratory system is especially important for bottom dwellers such as nurse sharks. The origin of the first dorsal fin is over the origin of the pelvic fin. They form the basis for rich communities of other invertebrates, plants, fish, and protists.
Ginglymostoma cirratum – Discover Fishes
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Mouth near tip of snout has nasal barbels on either side 2. Historically, nurse sharks were targetted for their liver oil and for their skin which yields high ginglymoatoma leather Compagno et al.
Ginglymostoma cirratum Cat shark Facebook.
Then the male inserts a clasper in her vent, and then rolls on his back beside the female. Wikimedia Commons has media related to Ginglymostoma cirratum. Coral reefs are found in warm, shallow oceans with low nutrient availability.
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Nurse shark – Wikipedia
Atlantic Ocean the body of water between Africa, Europe, the southern ocean above 60 degrees south latitudeand the western hemisphere. Algae and gniglymostoma are occasionally found in their stomachs, as well. Australian sawtail catshark F.
Heptranchias Sharpnose sevengill shark H. Nurse shark parental investment is limited past the juvenile nursery in the local habitat. Electroreception is through the ampullae of Lorenzini located in the shark’s snout.
Commonly found over shallow sand flats, in channels, and around coral reefs. A nurse shark at birth is 27 to 30 cm in length, while an adult is to cm long with an average length of cm.
Sound is in the form of an acoustic near and far-field perception. Environmental Biology of Fishes.
Nurse sharks are exceptionally sedentary unlike most other shark species. The largest he examined was one female weighing near Some individuals have been reported in ginglymotoma Gulf of Gascogne in southwest France, as well.
Description & Behavior
Based on morphological similarities, Cirrztum is believed to be the sister genus of Nebriuswith both being placed in a clade that also include species Pseudoginglymostoma brevicaudatumRhincodon typusand Stegostoma fasciatum. Sharks of the World: In other projects Wikimedia Commons Wikispecies.
Occasionally nurse sharks are unintentionally trapped in fish netswhich leads to increased worker time spent releasing them.
One juvenile nurse shark measuring 45 cm was found in the stomach of a cm lemon shark Negaprion brevirostris. Rate of tooth replacement in the nurse shark, Ginglymostoma cirratum.