Scientific Name	Ilyophis brunneus   Pronounce			by: Hsin-Ming Yeh & Tsung-Han Wu
Author	Gilbert, 1891	Depth	450 - 3120M
Chinese	褐泥蛇鰻	Poisonous Fish	No
Family_Chinese	合鰓鰻科	Economic Fish	No
Family	F080　Synaphobranchidae	Edible Fish	No	Chinese In Mainland China	軟泥鰻
Max Length	60 cm	Aquarium Fish	No	Common Name	合鰓鰻
Distribution in World	global	Distribution in Taiwan	South West、North East
Habitats	Deep Sea、Benthos	Holotype Locality	Near San Cristóbal Island [Chatham Island], Galápagos Islands, 0°36'30"S, 89°19'00"W, Albatross station 2808, depth 634 fathoms
Synonyms
Reference	陳餘鋆, 2002. 臺灣深海鰻類的分類,分布,柔軟器官及以腦部形態與尾鰭骨骼探討真鰻類及糯鰻亞目之親緣關係; 楊瑋庭 , 2011. 碩士論文:臺灣合鰓鰻科魚類之初步分類研究.; Gilbert, C. H., 1891. Descriptions of apodal fishes from the tropical Pacific. In: scientific results of explorations by the U. S.fish commission steamer albatross. Proceedings of the united states national museum. 14 (856): 347-352.; Sulak K. J. and Shcherbachev Y.N. , 1997. Zoogeography and systematics of synaphobranchid eels, with a key to taxa and description of two new species of Ilyophis. Bulletin of marine science, 60(3): 1158-1194.; Robins, C. H. and C. R. Robins, 1989.Fishes of the western north Atlantic. 1(9): 207-252.
Specimen List	ASIZP0060164. ASIZP0060193. ASIZP0060876. ASIZP0061758. ASIZP0061767. ASIZP0064255. ASIZP0066088. ASIZP0067600. ASIZP0067603. ASIZP0068013. ASIZP0068051. ASIZP0071143. ASIZP0801477. ASIZP0803774. ASIZP0803812. ASIZP0900177. ASIZP0900184. ASIZP0911477. ASIZP0913774. ASIZP0913812. SIO00-36.
Barcode	2008-03-24,Kui-Ching Hsu,CO1,100%
Common Name	Muddy arrowtooth eel
Redlist Status	Not in IUCN Redlist
Characteristic	Scales present Pectoral fin well developed. Upper jaw longer than lower jaw. Premaxillary teeth conical, in a patch. Upper jaw teeth small, in multirows; lower jaw teeth small, in bands; vomerine teeth canical, anterior five in a row, large in 2 rows. Posterior in a row. Dorsal fin origin behind the tip of pectoral fin. Vertebrate 145-151. Total length 20-30 of body depth, 5-6.3 of head length; head length 3.9 of snout length; snout length 3.3 of diameter of eye. Rictrs beyond rear of eye. Stout. Eye large. Caudal fin present. Dorsal, anal fin confluent with caudal fin. The distunce of anus to gill slit shorter than head length. Anterior nostril tabule, posterior nostril hole before the eye. Body color pale to brown.
habitats	Demersal fishes; inhabit in 100 to 400 meters deep, feed on small fishes, crustceans and other invertebrates. Most species caught with Simenchelys parasitica and Synaphobranus spp.
Distribution	分布: Indian, Pacific and Atlantic.
Utility	No enough quantity for fishery.