Scientific Name
Squaliolus aliae  
Squaliolus aliae阿里擬角鯊
by: Lab of Fish Ecol. and Evo., BRCAS
Author Teng, 1959 Depth 200 - 2000M
Chinese 阿里擬角鯊 Poisonous Fish No 
Family_Chinese 鎧鯊科 Economic Fish No 
Family F039 Dalatiidae Edible Fish No  Chinese In Mainland China 阿里擬角鯊 
Max Length 25 cm  Aquarium Fish No  Common Name 阿里擬角鮫、沙魚 
Distribution in World India Ocean to West Pacific Ocean   Distribution in Taiwan South、North East 
Habitats Deep Sea  Holotype Locality Off Tungkang [Tongkang], Kao-Hsiung Prefecture, Taiwan, depth about 180 fathoms 
Synonyms Squaliolus alii   
Reference 臺灣魚類誌(沈等, 1993);李柏鋒(2003)碩士論文;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  Teng, Huo-Tu 1959 Compagno, L.J.V. 1984 Compagno, L.J.V. 1984 Sasaki, K. etc. 1987 沈世傑 編 Shih-Chieh Shen ed. 1993 Last, P.R. etc. 1994 朱元鼎, 孟慶聞 等編 2001 李柏鋒 2003 
Specimen List ASIZP0057208. ASIZP0060290. ASIZP0062179. ASIZP0062407. ASIZP0062459. ASIZP0080508. ASIZP0805628. ASIZP0805629. FRIP03216. NMMBP02094. NMMSTP01657. NTOU-AE6233. NTOU-AE6234. NTUM07848.  
Common Name Smalleye pygmy shark 
Redlist Status   2003-04-30   
Characteristic Spindleshaped body, long, bulbously conical, snout. Anterior nasal flaps very short; snout very long, bulbously conical but slightly pointed, length about half head length and about equal to distance from mouth to pectoral fins; gill openings very small, uniformly wide; lips thin, not fringed, pleated or suctorial; teeth strongly different in upper and lower jaws, uppers small, with narrow, acute, erect cusps and no cusplets, no bladelike, lowers much larger, bladelike, interlocked, with a high, moderately broad, nearly erect cusp and distal blade, edges not serrated; tooth rows 22 to 23/16 to 21. First dorsal fin with a spine, covered by skin or not, but second dorsal without a spine; first dorsal fin well anterior, origin about opposite inner margins or free rear tips of pectoral fins, insertion well anterior to pelvic origins and loser to pectoral bases than pelvics; second dorsal fin much larger than first, base about twice as long as first dorsal base; origin of second dorsal fin over fron half of pelvic bases; pectoral fins with short, narrowly rounded free rear tips and inner margins, not expanded and acute or lobate; caudal fin nearly symmetrical, paddle-shaped, with a short upper and long lower lobe and a strong subterminal notch. No precaudal pits or midventral keels, but with low lateral keels on caudal peduncle. No anal fin. Dermal denticles flat and blocklike, not pedicellate, no posterior cusps on flat, depressed crowns. Cloaca normal, not expanded as a luminous gland. Colour blackish or blackish-brown with conspicuously light-margined fins.
habitats Possibly the smallest living shark. Maximum total length about 25 cm, males maturing at about 15 cm and reaching 22 cm, females maturing between 17 and 20 cm and reaching 25 cm. A wide-ranging, tropical epipelagic species that occurs near continental and  
Distribution South, East and Northeast off Taiwa; Oceanic and nearly circumtropical.