Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Anguilliformes  
 Family Synaphobranchidae  
 Genus Ilyophis  
  Ilyophis brunneus  Gilbert, 1891 
Provider: Kwang-Tsao Shao 
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Citation:
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.
Character: 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. 
Habitat: 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. 
Name Code: 383426
  IUCN Red List:LC      Marine     
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