Scientific Name
Cephaloscyllium umbratile  
Cephaloscyllium umbratile汙斑頭鯊
by: Lab of Fish Ecol. and Evo., BRCAS
Author Jordan & Fowler, 1903 Depth 20 - 200M
Chinese 汙斑頭鯊 Poisonous Fish No 
Family_Chinese 貓鯊科 Economic Fish Yes 
Family F023 Scyliorhinidae Edible Fish Yes  Chinese In Mainland China 陰影絨毛鯊 
Max Length 120 cm  Aquarium Fish Yes  Common Name 沙條、污斑頭鮫、沙鰷(臺東) 
Distribution in World Australia   Distribution in Taiwan East、South West、North East 
Habitats Benthos、Coastal  Holotype Locality Nagasaki, Japan, 32°43'N, 129°50'E 
Synonyms Cephaloscyllium formosanum, Cephaloscyllium isabellum   
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; Schaaf-Da Silva, J. A. and D. A. Ebert. 2008 (8 Sept.). A revision of the western North Pacific swellsharks, genus Cephaloscyllium Gill 1862 (Chondrichthys: Carcharhiniformes: Scyliorhinidae), including descriptions of two new species. Zootaxa No. 1872: 1-8  Teng, H-T. 1962 Compagno, L.J.V. 1984 Compagno, L.J.V. 1984 Michael, S.W. 1993 沈世傑 編 Shih-Chieh Shen ed. 1993 朱元鼎, 孟慶聞 等編 2001 Schaaf-Da Silva, J. etc. 2008 
Specimen List ASIZP0058965. ASIZP0063551. ASIZP0063735. ASIZP0064915. ASIZP0064990. ASIZP0080277. ASIZP0800078. ASIZP0800079. ASIZP0807411. ASIZP0910078. ASIZP0910079. ASIZP0917411. CAS214726. FRIP00167. FRIP00168. NMNSF00339. NTMP0237. NTMP0990. NTMP1117. NTUM07579. NTUM07734.  
Barcode2008-03-24,Kui-Ching Hsu,CO1,100% 2011-06-13,柯慧玲,CO1,100% 2016-04-06,Yung-Chieh,CO1,100%
Common Name Blotchy swell shark; Japanese swell shark 
Redlist Status NL Not in IUCN Redlist     
Characteristic A catshark with a stout body, no labial furrows, snout broadly rounded-angular in dorsoventral view, rather short and broad; anterior nasal flaps subtriangular, not overlapping mouth posteriorly. Claspers short and stout. Colour pattern variegated, with up to 11 dark brown irregular saddles and laterally interdigitating blotches in a checkerboard pattern in the typical New Zealand form, but with more irregular dark blotches and mottling in Taiwanese and Japanese representatives of the species (if not distinct); a scattering of numerous dark brown or blackish' small spots on a grey or brown background; underside of head and abdomen unspotted; fins without conspicuous light margins. A large species (see size below). "pseudo-umbratile", pigmy swellshark Western North Pacific "umbratile" True isabellum from New Zealand.
habitats A common, sluggish inshore and offshore warm-temperate catshark found on rocky and sandy bottoms in deepish water on the continental and insular shelves, at depths of 18 to 220 m; said to avoid open areas but favours reefs. Can expand itself with air or w 
Distribution Western Pacific: New Zealand, Taiwan and Japan (southeastern Honshu). 
Utility None or limited at present, caught by Commercial bottom trawlers.