Scientific Name
Paragaleus tengi  
Paragaleus tengi鄧氏副沙條鯊
by: Yi-Lang Jheng
Author (Chen, 1963) Depth - M
Chinese 鄧氏副沙條鯊 Poisonous Fish No 
Family_Chinese 半沙條鯊科 Economic Fish Yes 
Family F028 Hemigaleidae Edible Fish Yes  Chinese In Mainland China 臺灣副沙條鯊 
Max Length 88 cm  Aquarium Fish No  Common Name 沙條、臺灣副沙條鯊、鄧氏沙條鮫 
Distribution in World Australia   Distribution in Taiwan West 
Habitats Benthos、Coastal  Holotype Locality Taichung Market, western Taiwan 
Synonyms Negogaleus longicaudatus, Negogaleus tengi   
Reference 1. 臺灣魚類誌(沈等, 1993);2. 中國動物誌-圓口綱及軟骨魚綱(朱等, 2001);3. FAO Species Catalogue, Vol.4 Sharks of the world;4. White, W. T. and M. Harris (2013) Redescription of Paragaleus tengi (Chen, 1963) (Carcharhiniformes: Hemigaleidae) and first record of Paragaleus randalli Compagno, Krupp & Carpenter, 1996 from the western North Pacific. Zootaxa 3752 (no. 1): 172-184.   Chen, J. T. F. 1963 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
Common Name Straighttooth weasel shark; Straight-tooth weasel shark 
Redlist Status NL Not in IUCN Redlist     
Characteristic A small sized species, body slender with a rounded, moderately long snout. Eyes large with nictitating eyelids. Lower teeth not prominently protruding, upper teeth with distal cusplets but no serrations. Lower anterior teeth with moderately long, nearly straight smooth-edged cusps. Lower lateral teeth with low cusplets and mostly erect cusps. Anterior teeth T shaped. Second dorsal fin about 2/3 size of the 1st dorsal fin. Second dorsal fin slightly ahead of anal origin. Anal fin smaller than 2nd dorsal and without preanal ridges. Transversely, crescentic precaudal pits absent. Caudal vertebral centra 55-56, total vertebral counts 131-135. Colour light grey without prominent markings.
habitats A little-known inshore shark species. Biological data of this species very limited. Adult males 78-88 cm in total length. This species were taken by bottom trawlers, gill-nets and longlines in Taiwan area but not very common. Flesh utilized fresh for huma 
Distribution Coastal and inshore of Northwestern Pacific Ocean including Viet Nam, southern China Japan, and Taiwan. 
Utility Caught by trawl and cooked with smoke or process to fish meal