Stegostoma fasciatum   (Hermann, 1783)

Zebra shark
Catalog of Fishes (gen., sp.) | ITIS | CoL
Classification
Elasmobranchii | Orectolobiformes | Stegostomatidae
Synonyms
Common names
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Main reference
Size / Weight / Age
Max length : 235 cm TL male/unsexed; (Ref. 9993); 233 cm TL (female)
Length at first maturity
Lm ?, range 170 - ? cm
Environment
Reef-associated; amphidromous (Ref. 51243); brackish; marine; depth range 0 - 63 m (Ref. 43278), usually 5 - 30 m (Ref. 1602)
Climate / Range
Tropical; 26°C - 29°C (Ref. 4959); 41°N - 30°S, 32°E - 169°W
Distribution
Indo-West Pacific: Red Sea and East Africa to New Caledonia, north to southern Japan, south to New South Wales, Australia. Recently recorded from Tonga (Ref. 53797).
Countries | FAO areas | Ecosystems | Occurrences | Introductions
Short description
Dorsal spines (total): 0; Anal spines: 0. Head with 5 small gill slits, the last three behind pectoral fin origin; nostril close to front of snout, with short barbels and nasoral grooves connecting them with the mouth (Ref. 4832).Very long caudal fin, almost as long as the rest of the body, with a deep subterminal notch but with the lower lobe hardly developed (Ref.13575, 6871). Yellow-brown with dark brown spots (Ref. 391), young black with yellow bars (Ref. 5578). Adults with longitudinal skin ridges which are lacking in young (Ref. 391). Juveniles smaller than about 70 cm, markedly different; dark with white bars and spots; pale ventrally (Ref. 6781). Pectoral fins large and broadly rounded (Ref. 6871).
Biology
    Glossary (e.g. epibenthic)
A tropical inshore shark found on sand, rubble, or coral bottoms of the continental and insular shelves (Ref. 247). Recorded to have entered freshwater (Ref. 4735). Rather sluggish at least during the day (Ref. 247). Probably nocturnal, feeds mainly on mollusks, but also small bony fishes (Ref. 9993). Also known to eat crustaceans (crabs and shrimps) and sea snakes (Ref. 43278). Oviparous (Ref. 43278, 50449). Slow-swimming and able to squirm into narrow cracks, crevices and channel in reefs while searching for food (Ref. 247). Readily kept in captivity (Ref. 247). May bite when provoked (Ref. 247). Utilized fresh and dried-salted for human consumption and also for fishmeal; livers processed for vitamins; fins dried for the oriental sharkfin trade; offal utilized for fishmeal (Ref. 247). Possibly reaching 354 cm TL (Ref. 9993, 47613). Caught in drift net intended for sharks (Ref. 47736). Reported from freshwater in the Philippines but needs to be confirmed (Ref. 43278).
IUCN Red List Status (Ref. 57073)
Threat to humans
  Vulnerable (VU) (A2abcd+3cd+4abcd)
  Traumatogenic (Ref. 247)
Human uses
Fisheries: minor commercial; gamefish: yes
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Estimation of some characteristics with mathematical models
Phylogenetic diversity index (Ref. 82805)
PD50 = 1.5000
Trophic Level (Ref. 69278)
3.1 s.e. 0.40 Based on diet studies.
Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)
Vulnerability (Ref. 59153)
Price category (Ref. 80766)
High to very high vulnerability (73 of 100)

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




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Page last modified by : celloran - 20 April 2010



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