Scientific Name	Pseudotriakis microdon   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	de Brito Capello, 1868	Depth	200 - 1500M
Chinese	小齒擬皺唇鯊	Poisonous Fish	No
Family_Chinese	擬皺唇鯊科	Economic Fish	No
Family	F025　Pseudotriakidae	Edible Fish	No	Chinese In Mainland China	小齒擬皺唇鯊
Max Length	295 cm	Aquarium Fish	No	Common Name	黑沙、啞巴鮫、擬貓鮫
Distribution in World	global	Distribution in Taiwan	North East
Habitats	Deep Sea、Benthos、Coastal	Holotype Locality	Setubal, Portugal, Northeastern Atlantic
Synonyms	Pseudotriakis acrages, Pseudotriakis acrales
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  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	ASIZP0806176. ASIZP0916176.
Barcode	2014-10-30,Kwang-Tsao Shao,CO1,100%
Common Name	False catshark; False cat shark
Redlist Status	IUCN Redlist: Data deficient(DD)  2004-04-30
Characteristic	A large, bulky, dark-brown, soft-bodied shark with elongated, catlike eyes and nictitating eyelids, large spiracles, a huge, wide, angular mouth that reaches behind eyes, very short labial furrows, numerous small cuspidate teeth in 200 or more rows in each jaw, two large spineless dorsal fins and an anal fin, a low, long, keel-like first dorsal fin on back, no precaudal pits, and a caudal fin without a strong ventral lobe or lateral undulations on its dorsal margin. Body elongate; head wide and flattened above; interorbital elevated, convex; snout short, with rounded tip. Teeth in 294 rows above, 335 rows below, minute, extremely numerous, arranged in mosaic, each with larger median cusp and 1or 2 smaller lateral cusps on each side. Scales minute, each with acute tip. First dorsal long, low, gradually elevated posteriorly, about 1/6 as high as length at base, its origin midway between nostril and rear end of 2nd dorsal base, its free rear margin very short, its rear end of base terminating about over origin of ventrals. Second dorsal rather large, about twice as long as high, its origin little posterior to tip of ventral, its rear end of bese a little posterior to that of anal, its rear corner slightly produced. Unitormly dark brown, darkest on posterior margin of 2nd dorsal, anal and caudal, sides of body and tail with numerous vertical streaks of grayish brown.
habitats	A big deepwater bottom-dwelling shark of the continental and insular slopes at depths from 200 to 1500 m. The large body cavity, soft fins, and soft skin and muscularture of this shark suggests that it is relatively inactive and sluggish. Ovoviviparous, w
Distribution	Western North Atlantic: New York to New Jersey. Eastern North Atlantic: Atlantic Slope off Iceland, France, Portugal, Madeira, Azores, Senegal, and Cape Verde Islands. Western Indian Ocean: Aldabra Islands group. Western Pacific: Japan and Taiwan Island.
Utility	Utilization not reported