Ginglymostoma cirratum   (Bonnaterre, 1788)

Nurse shark
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Synonyms
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AquaMaps     Data sources: GBIF OBIS
Main reference
Size / Weight / Age
Max length : 430 cm TL male/unsexed; (Ref. 247); common length : 304 cm TL male/unsexed; (Ref. 247); max. published weight: 109.6 kg (Ref. 40637); max. reported age: 25 years (Ref. 72467)
Length at first maturity
Lm ?, range 230 - 240 cm
Environment
Reef-associated; brackish; marine; depth range 0 - 130 m (Ref. 43278), usually 1 - 35 m (Ref. 40849)
Climate / Range
Subtropical; 44°N - 35°S, 122°W - 10°E (Ref. 247)
Distribution
Western Atlantic: Rhode Island, USA to southern Brazil, including the Gulf of Mexico and Caribbean, Antilles. Eastern Atlantic: Cape Verde to Gabon; accidental to France. Eastern Pacific: Gulf of California and southern Baja California, Mexico to Peru. Closely related species are found in the Indian Ocean.
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 0. Moderately long barbels, nasoral grooves present but no perinasal grooves, mouth well in front of eyes, spiracles minute, precaudal tail shorter than head and body, dorsal fins broadly rounded (the first much larger than the second and anal fins), caudal fin moderately long, over 1/4 of total length, yellow-brown to grey-brown in color, with or without small dark spots and obscure dorsal saddle markings (Ref. 247). Head blunt, mouth inferior, pair of conspicuous barbels between nostrils (Ref. 26938).
Biology
    Glossary (e.g. epibenthic)
Found on continental and insular shelves. Solitary (Ref. 26340) and sluggish fish, often encountered lying on the bottom (Ref. 9987). Nocturnal, feeding on bottom invertebrates such as spiny lobsters, shrimps, crabs, sea urchins, squids, octopi, snails and bivalves, and fishes like catfishes, mullets, puffers and stingrays. Ovoviviparous with 21 to 28 young in a litter (Ref. 9987, 43278). Kept in captivity for researches. May attack humans if they are molested or stepped upon accidentally. Edible, but mainly valued for its hide, which makes extremely tough and durable leather (Ref. 9987). Common over shallow sand flats, in channels, and around coral reefs; young may be found among prop roots of red mangroves (Ref. 26938).
IUCN Red List Status (Ref. 84930)
Threat to humans
  Traumatogenic (Ref. 4690)
Human uses
Fisheries: minor commercial; aquarium: public aquariums
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Estimation of some characteristics with mathematical models
Phylogenetic diversity index (Ref. 82805)
PD50 = 1.1250
Trophic Level (Ref. 69278)
3.83 s.e. 0.54 Based on diet studies.
Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (K=0.14; tmax=25; Fec=21-28)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
High to very high vulnerability (69 of 100)

Entered by Carpenter, Kent E.
Modified by Ortañez, Auda Kareen




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Page last modified by : cmilitante - 27 July 2010

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