Scientific Name
Dysomma opisthoproctus  
Dysomma opisthoproctus後臀前肛鰻
No picture was not be chosen to represent this species.
Author Chen & Mok, 1995 Depth 150 - 200M
Chinese 後臀前肛鰻 Poisonous Fish No 
Family_Chinese 合鰓鰻科 Economic Fish No 
Family F080 Synaphobranchidae Edible Fish No  Chinese In Mainland China 後臀前肛鰻 
Max Length 42.06 cm  Aquarium Fish No  Common Name 合鰓鰻 
Distribution in World Taiwan [Endemic in Taiwan]   Distribution in Taiwan North East 
Habitats Benthos、Coastal  Holotype Locality Off the coast of Nan-Fang-Ao [Nanfangao], 24°51'24"N, 121°58'30"E, northeastern coast of Taiwan, depth 200 meters 
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.; Karrer, C. , 1982. Anguilliformes du canal de mozambique (Pisces, Teleostei). Fauna tropicale. 23: 1-116;  Böhlke, J. E. 1949 Chen, J. T. F. etc. 1967 Eugenia B. Bohlke, ed. 1989 Chen, Y. Y. etc. 1995 
Specimen List
Common Name Shortbelly eel 
Redlist Status NL Not in IUCN Redlist     
Characteristic No scale. Pectoral fin present. Upper jaw longer than lower jaw. Premaxillary teeth 2. Upper jaw small, in a band; lower jaw teeth large, in a row. Vomerine teeth 5. Premaxillary teeth and vomerine teeth compound. Dorsal fin origin behind pectoral fin.Vertebrae 120. Total length 15.6 of body depth, 7.4 of head length; caudal length 6.7 of the length from head to trunk; head length 5.1 of snout length; snout length 3.3 of diameter of eye Rictus posterior to rear of the eye. Eye small. caudal fin present. The length of anus to gill slit shorter than head length. Body color brown. Dorsal anal fin white.
habitats Demersal fishes, caught from the benthic trawling (about 150 meter deep), Feed on crustceans and other invertebrates.  
Distribution Northeastern of Taiwan Waters. 
Utility No enough quantity for fishery.