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The marbled swamp eel, Synbranchus marmoratus, has been recorded at up to 150 cm (59 in) in length, [5] while the Bombay swamp eel, Monopterus indicus, reaches no more than 8.5 cm (3.3 in). Swamp eels are almost entirely finless; the pectoral and pelvic fins are absent, the dorsal and anal fins are vestigial, reduced to rayless ridges, and the ...
The Asian swamp eel is a freshwater, eel-like fish belonging to the family Synbranchidae (swamp eels). [ 4 ] Some work indicates that the species should be split into three geographical clades or cryptic species , although these were not given nomenclatural names, as the taxonomic synonymy was too complex to sort out at the time.
The marbled swamp eel has an elongated cylindrical body and can grow to a maximum length of about 150 cm (60 in), although a more normal adult length is 50 cm (20 in). The dorsal and anal fins are vestigial and the paired pectoral and pelvic fins are missing altogether. [2]
Synbranchiformes, often called swamp eels, though that name can also refer specifically to Synbranchidae, is an order of ray-finned fishes that are eel-like but have spiny rays, indicating that they belong to the superorder Acanthopterygii.
Synbranchinae is a subfamily of swamp eel, consisting of six of the ten genera in the family Synbranchidae. The remaining genus, the monotypic Macrotrema is the only one in the other subfamily Macrotreminae. The subfamily occurs in the Neotropics, Afrotropics and Asia. [2]
Ophisternon aenigmaticum D. E. Rosen & Greenwood, 1976 (Obscure swamp eel) Ophisternon afrum (Boulenger, 1909) (Guinea swamp eel) Ophisternon bengalense McClelland, 1844 (Bengal eel) Ophisternon candidum (Mees, 1962) (Blind cave eel) Ophisternon gutturale (J. Richardson, 1845) (Australian swamp eel) Ophisternon infernale (C. L. Hubbs, 1938 ...
Rakthamichthys is a genus of swamp eels that are endemic to India.Three species are known from the Western Ghats and one is known from Northeast India.. All species live underground, with one species (R. rongsaw) having a fossorial lifestyle and three species (R. digressus, R. roseni, and R. indicus) being troglobitic in nature.
Swamp-eels (Synbranchiformes) The tropic-dwelling swamp-eels, which are not closely related to true eels, reaches their largest size in the marbled swamp eel (Synbrachus marmoratus) of Central and South America. This fish can range up to 1.5 m (4.9 ft) and weigh 7 kg (15 lb). [77] Seahorses and allies (Syngnathiformes)