Scientific Name
Synaphobranchus affinis  
Synaphobranchus affinis合鰓鰻
by: Lab of Fish Ecol. and Evo., BRCAS
Author Günther, 1877 Depth 290 - 2400M
Chinese 合鰓鰻 Poisonous Fish No 
Family_Chinese 合鰓鰻科 Economic Fish No 
Family F080 Synaphobranchidae Edible Fish No  Chinese In Mainland China 長鰭合鰓鰻(連鰓鰻) 
Max Length 160 cm  Aquarium Fish No  Common Name 合鰓鰻 
Distribution in World global   Distribution in Taiwan East、West、South、South West、North East 
Habitats Deep Sea、Benthos  Holotype Locality Off Inoshima [Innoshima, now Onomichi, Hiroshima Prefecture, Japan, Inland Sea, western Pacific] 
Synonyms Synaphobranchus brachysomus, Synaphobranchus pinnatus, Synaphobranchus taketae, Synapobranchus affinis   
Reference 臺灣魚類誌(沈等, 1993);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.;Robins, C. H. and C. R. Robins, 1989.Fishes of the western north Atlantic. 1(9): 207-252.; Smith, D. G. , 1999. The living marine the resources of the western central pacific. 3(1): 1658-1661.; Nakabo T. , 2000. Fishes of Japan with pictorial keys to the species second edition.Tokai University: 212-213.  Günther, A. 1877 沈世傑 編 Shih-Chieh Shen ed. 1993 Chen, Y. Y. etc. 1995 Chen, Y. Y. etc. 2001 
Specimen List ASIZP0060873. ASIZP0060874. ASIZP0063063. ASIZP0063729. ASIZP0063731. ASIZP0063784. ASIZP0063785. ASIZP0063793. ASIZP0063798. ASIZP0063849. ASIZP0064082. ASIZP0064083. ASIZP0064085. ASIZP0064110. ASIZP0064254. ASIZP0064259. ASIZP0064282. ASIZP0066091. ASIZP0066753. ASIZP0066755. ASIZP0066791. ASIZP0067993. ASIZP0068012. ASIZP0068045. ASIZP0069708. ASIZP0075078. ASIZP0080282. ASIZP0080284. ASIZP0080501. ASIZP0801485. ASIZP0803754. ASIZP0803773. ASIZP0803806. ASIZP0806620. ASIZP0807416. ASIZP0807418. ASIZP0900498. ...List all 65 records... 
Barcode2008-03-24,Kui-Ching Hsu,CO1,100% 2014-10-30,Kwang-Tsao Shao,CO1,100% 2016-04-06,Yung-Chieh,CO1,100% 2016-04-06,Yung-Chieh,CO1,100%
Common Name Gilbert's synaphobranchid eel; Grey cutthroat 
Redlist Status NL Not in IUCN Redlist     
Characteristic Scale present. Pectoral fin well deveoped, gill slit unite on the ventral side. Upper jaw shorter than lower jaw. Premaxillary teeth 4. Upper jaw teeth 3 rows, the teeth of inner row large lower jaw teeth 2 rows; vomerine teeth in 1 row. No compound teeth. Dorsal fin origin in advance of or behind anus. Vertebra 125-140. Total length 15.9 of body depth, 6.9 of head length; caudal length 2.3 of the length from head to trunk; head length 3.4 of snout length; snout length 2.5 of diameter of eye. Body cover small scales, liptical, and arrange in right-angle way. Anus locate on the anterior half. Rictus beyond rear of eye. Anterior nostril tubule; posterior nostril hole, before eye. Tail compressed; dorsal, anal fin confluent with caudal fin. Body color grey to brown.
habitats Dominant, demersal fishes of warm, subtropical and tropical seas, Most in habit noore than 400 meters deep. They feed on muscles a of big fishes or mamals, sometimes found in live body of fishes. They also live in lower temperature (4-7℃). 
Distribution Indian, Pacific and Atlantic. 
Utility No enough quantity for fishery.