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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These bottom dwelling sharks are usually yellowish-tan to dark brown and, as adults, average around 7.
Nurse sharks are non-aggressive gijglymostoma will generally swim away when approached; they are one of the most docile animals in the sea. Deepwater sicklefin hound shark H. If disturbed the bite is powerful and capable of inflicting serious injury. Order Carcharhiniformes Ground sharks.
ADW: Ginglymostoma cirratum: INFORMATION
Juveniles are more often found in crevices in shallow lagoons. Rhincodon Whale shark R. Prey capture behavior and feeding mechanics of elasmobranchs.
Electroreception is through the ampullae of Lorenzini located in the shark’s snout. Nurse sharks are ovoviviparous that give birth to pups in a litter.
The species name cirratum is translated from Latin as curl. Pedibothrium brevispinePedibothrium globicephalumProchristianella tenuispineGrillotia similisPedibothrium maccalumiPedibothrium servattorumPedibothrium manteriPedibothrium lintoniand Pedibothrium longispine. Shortfin mako shark I. Mouth near tip of snout has nasal barbels on either side 2. The nurse shark is listed as “Vulnerable” in Brazil.
Description & Behavior
New Caledonia catshark A. Nurse sharks are opportunistic predators that feed primarily on small fish e. Nurse sharks, Ginglymostoma cirratumare 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. At present, there is not a commercial fishery for this species.
Ginglymostoma cirratum – Discover Fishes
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Nasoral grooves are present, but there is no perinasal groove. Gingly,ostoma are very small 6. If the female is avoiding copulation she will lie on her back, float in the water, or rest motionlessly on the ocean floor. The nurse shark is an ovoviviparous species. Nurse sharks are important in some ecotourism ventures. In the southern-most ranges of Brazil, the nurse shark is considered locally extinct.
Nurse sharks are exceptionally sedentary unlike most other shark species. It takes another eighteen months for the ovaries to produce enough mature eggs for the next breeding cycle. Castro, ; Ebert, et al. Nurse sharks are obligate cirratu feeders capable of generating suction forces that are among the highest recorded for any aquatic vertebrate to date. Atlantic Ocean the body of water between Africa, Europe, the southern ocean above 60 degrees south latitudeand the western hemisphere.
The biology of the nurse shark, Ginglymostoma cirratum, off the Florida east coast and the Bahama Islands. Recent studies based on photographs and historical accounts indicate that these encounters may be more common than previously thought. The nurse shark is a common reef-associated bottom-dwelling shark found in brackish and marine environments in the shallows to m.
Commonly found over shallow sand flats, in channels, and around coral reefs. The action of contracting the bladder and force from the seawater flushes competing sperm out of the female nurse shark. Parasites Nematodes have been observed in the gills of ginglymostkma sharks in captivity at the New York Aquarium, U.
Carey and Judge, ; Rosa, et al. Accessed September 22, at http: An annotated cirrtaum illustrated catalogue of shark species known to date. A large number of males generally try to mate with cirrstum single female, often leading to females bearing numerous scars and bruises from male bites. Deep Music Digitally Imported Pandora. Nurse sharks are not aggressive, but there are attacks on record, that are usually the result of human provocation ISAF Ascending spinal systems in the nurse shark, Ginglymostoma cirratum.
Breeding season Fertilization occurs in June and July and lasts 2 to 4 weeks. Geographic Range Ginglymostoma cirratumthe nurse shark, resides in coastal waters in the Pacific and Atlantic Oceans.
Two nurse sharks of unstated lengths were recorded as being in a cm tiger shark Galeocerdo cuvier. A Dictionary of Zoology.