Scientific Name
Dysomma longirostrum  
Dysomma longirostrum長吻前肛鰻
by: Wei-Ting Yang, NTOU
Author Chen & Mok, 2001 Depth 100 - 150M
Chinese 長吻前肛鰻 Poisonous Fish No 
Family_Chinese 合鰓鰻科 Economic Fish No 
Family F080 Synaphobranchidae Edible Fish No  Chinese In Mainland China 長吻前肛鰻 
Max Length 19.6 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 Northeastern coast of Taiwan, depth 100-150 meters (Nanfangao fish market) 
Reference   Böhlke, J. E. 1949 Chen, Y. Y. etc. 2001 
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 absent. Upper jaw teeth small, in bands. Lower jaw large, in a row. Vomerine teeth compound, five. Dorsal fin origin posterior to pectoral fin.Vertebral formula 114-27-130. Total length 19.6 of body depth, 7.0 of head length; caudal length 3.2 of the length from head to trunk; head length 3.1 of snout length; snout length 4.5 of the diameter of the eye. Rictus over rear margin of the eye. Anus to gill slit shorter than head length.Tongue not free. Body color light brown. Dorsal and anal fin white (rear end of anal fin black); eye small in black.
habitats Demersal fishes; inhabit in 150 to 200 meters deep, feed on small fishes, crustceans and other invertebratis. Now, there are only 1 specimen in the world.  
Distribution Northeastern waters of Taiwan. 
Utility No enough quantity for fishery.