Scientific Name	Syngnathoides biaculeatus   Pronounce			by: Lab of Fish Ecol. and Evo., BRCAS
Author	(Bloch, 1785)	Depth	0 - 5M
Chinese	雙棘擬海龍	Poisonous Fish	No
Family_Chinese	海龍科	Economic Fish	Yes
Family	F295　Syngnathidae	Edible Fish	No	Chinese In Mainland China	擬海龍
Max Length	29 cm	Aquarium Fish	Yes	Common Name	棘海龍、海龍
Distribution in World	India Ocean to Pacific Ocean	Distribution in Taiwan	South、North、ShaoLiuChew
Habitats	Coral、Coastal	Holotype Locality	Indian Ocean
Synonyms	Stigmatophora unicolor, Syngnathoides bicauleatus, Syngnathoides biculeatus, Syngnathoides blochii, Syngnathus biaculeatus, Syngnathus tetragonus
Reference	臺灣魚類誌(沈等, 1993)；Fishes of Japan(Nakabo, 2002)；Fishbase(2005)；The Live Marine Resources of the Western Central Pacific, Vol.4(FAO,1999)  沈世傑 編 Shih-Chieh Shen ed. 1993 Carpenter, K. E. etc. 1999 Nakabo T. 2002
Specimen List	ASIZP0053855. ASIZP0058217. ASIZP0059640. ASIZP0062988. ASIZP0062989. ASIZP0073452. ASIZP0916005. NMMBP02558. NMMBP03112. NMMSTP00499.
Common Name	Two-barbel pipe fish; Double-ended pipefish; Alligator pipefish
Redlist Status	IUCN Redlist: Data deficient(DD)  1996-08-01
Characteristic	Body typically slender and elongate, without scales, encased in a series of bony rings. Snout long, its length 1.7-1.8 in HL. Superior and inferior ridges continuous with their respective tail ridges, the inferior trunk ridge inconspicuous and located on venter of trunk; lateral trunk ridge deflected dorsad behind anal ring, ends just below superior tail ridge near rear of dorsal-fin base. Median dorsal snout ridge low, entire; usually with a spine-like point on supraorbital ridge over posterior third of orbit; opercle without a longitudinal ridge; scutella absent; dermal flaps wrll developed in juveniles, often absent in adult. Rings 15-18 + 40-54, darsal-fin rays 37-50, pectoral-fin rays 20-24. Mainly greenish to brown with variable darker markings, sometimes with a narrow dark stripe on opercle.
habitats	Occurs in protected coastal shallows over or among algae, seagrasses, or floating weeds. Juveniles occasionally found near the surface.
Distribution	Distributed in the Indo-Pacific feom Red Sea south to South Africa, east to Samoa, north to southern Japan, south to New South Wales; throughout Micronesia except the northern Marshall Islands Southeast Atlantic: Knysna, South Africa. It is found in south
Utility	Used in Chinese medicine to extract Hailong, one of the important drugs. Has been reared in captivity.