Scientific Name	Mustelus griseus   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	Pietschmann, 1908	Depth	20 - 300M
Chinese	灰貂鯊	Poisonous Fish	No
Family_Chinese	皺唇鯊科	Economic Fish	Yes
Family	F027　Triakidae	Edible Fish	Yes	Chinese In Mainland China	灰星鯊
Max Length	101 cm	Aquarium Fish	No	Common Name	沙條、平滑鮫、灰貂鮫、白鯊條(澎湖)、啟目布仔(澎湖)
Distribution in World	North West Pacific Ocean	Distribution in Taiwan	North、PonFu
Habitats	Benthos、Coastal	Holotype Locality	Japan
Synonyms	Cynias kanekonis, Mustelus kanekonis
Reference	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  Pietschmann, V. 1908 Wang, T. M. etc. 1981 Wang, T. M. etc. 1982 Compagno, L.J.V. 1984 Compagno, L.J.V. 1984 沈世傑 編 Shih-Chieh Shen ed. 1993 朱元鼎, 孟慶聞 等編 2001
Specimen List	ASIZP0055034. ASIZP0073504. ASIZP0075103. ASIZP0801974. ASIZP0806053. ASIZP0900496. ASIZP0911974. ASIZP0916053. FRIP00703. FRIP00706. NMMBP03228. NMMBP04698. NMMBP04700. NMMBP04778. NMMBP04779. NMMBP04884. NMMBP04885. NMMBP06303. NMMBP06304. NMMBP06411. NMMBP06413. NMMBP06414. NMMBP06415. NTUM00016Paratype. NTUM00028Paratype. NTUM00344. NTUM07738. RUSI35851.
Common Name	Spotless smooth-hound; Spotless smooth hound; Japanese gray smooth hound
Redlist Status	Not in IUCN Redlist
Characteristic	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.
habitats	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.