Kingdom Animalia  
 Phylum Chordata  
 Class Chondrichthyes  
 Order Carcharhiniformes  
 Family Triakidae  
 Genus Mustelus  
  Mustelus griseus  Pietschmann, 1908 
Provider: Pofeng Lee& Shoou-Jeng Joung 
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Synonyms:Cynias kanekonisMustelus kanekonis  details
Citation: 臺灣魚類誌(沈等, 1993);中國動物誌-圓口綱及軟骨魚綱(朱等, 2001);FAO Species Catalogue, Vol.4 Sharks of the world
Character: An unspotted, moderate-sized Mustelus species. Body fairly slender. Head short, length of prepectoral 17-21% of total legth. Eyes small, horizontal length 2.3-3.1 times in preorbital snout length and 2.1-3.5% of total length. Mouth fairly long, somewhat greater than eye length and 2.5-3.7 of total length. Teeth molariform and asymmetric, with cusp reduced to a low point, cusplets absent except in very young individuals. Length of interdorsal space 18-22% of total length. Length of 1st dorsal anterior margin 12-14% of total legth. Length of anterior margin of pelvic fins 6.8-8.4% of total length. Number of precaudal centra 73-80. Colour grey or grey-brown above, light below, no white or dark spots or dark bars. Size of adults 65-101 cm. 
Habitat: An very common western Pacific temperate and tropical inshore bottom-dwelling shark, found down to at least 51 m depth. Viviparous species, with a yolk-sac placenta; number of embryos 5-16 per litter, with larger adults having larger litters of embryos. L 
Distribution: Distributed in western north Pacific, including the coastal and inshore area of Japan, Korea, China (including Taiwan) and Viet Nam. 
Utility: Regularly fished off Japan, China and Taiwan by bottom trawler or bottom longline. Utilized for human consumption. 
Name Code: 383108
  IUCN Red List:DD      Marine     
Suggested Link    The Fish Database of Taiwan  FishBase  Discover Life  World Register of Marine Species (WoRMS) 
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