Common names:
Bulhaai, Bull shark, Zambesihaai
Occurrence:
native
Salinity:
freshwater
Abundance:
|
Ref:
Importance:
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Ref:
Aquaculture:
|
Ref:
Regulations:
no regulations
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Ref: van der Elst, R., 1993
Uses:
live export: yes;
Comments:
Occurs in the Indian Ocean from Natal south to Cape St. Francis (Ref. 12484, 12501, 33390, 58304). Known from Limpopo River (Ref. 244, 13721), Pongolo River (Ref. 12501, 83366, 86423), the variably hypersaline St. Lucia Lake system (Ref. 244) and the White Umfolosi River (Ref. 57927). Caught also from Breede Estuary on the south-west coast of the country (Ref. 85726, 85808). In Lake St. Lucia the species can tolerate salinities of up to 53‰, but specimens caught there are in poor condition despite adequate food and ability to feed (Ref. 244). It is not commercially important, but it is considered a good food fish (Ref. 12484). The stock is locally depressed; reduced by Natal shark nets (Ref. 4332). Also Ref. 5485, 5578.
National Checklist:
Country Information:
https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences:
OccurrencesPoint map
Main Ref:
Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989
National Database:
Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) 白眼鮫目 (Ground sharks) > Carcharhinidae (Requiem sharks) 白眼鮫科 (Requiem sharks)
Etymology: Carcharhinus:karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin. (See ETYFish); leucas:From leukos (Gr.), white, referring to its body color, usually grayish with white underside [authorship often attributed to Müller & Henle, who published Valenciennes’ description]. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水 礁区鱼类; 非产卵性溯降河的 (Ref. 51243); 深度上下限 1 - 164 m (Ref. 106604), usually 1 - 30 m (Ref. 55183). 亞熱帶的; 42°N - 39°S, 180°W - 180°E (Ref. 55182)
分布
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