Synbranchidae

Swamp-eels

25 species

1Macrotrema caligans (Cantor, 1849)fresh · brackish · tropical
2Monopterus albus (Zuiew, 1793) · Asian swamp eelfresh · brackish · tropical
3Monopterus bicolor Nguyen & Nguyen, 2005fresh · tropical
4Monopterus boueti (Pellegrin, 1922) · Liberian swamp eelfresh · tropical
5Monopterus cuchia (Hamilton, 1822) · Cuchiafresh · brackish · tropical
6Monopterus desilvai Bailey & Gans, 1998 · Desilva's blind eelfresh · tropical
7Monopterus dienbienensis Nguyen & Nguyen, 2005fresh · tropical
8Monopterus digressus Gopi, 2002fresh · tropical
9Monopterus eapeni Talwar, 1991fresh · tropical
10Monopterus fossorius (Nayar, 1951) · Malabar swampeelfresh · tropical
11Monopterus hodgarti (Chaudhuri, 1913) · Indian spaghetti-eelfresh · tropical
12Monopterus ichthyophoides Britz, Lalremsanga, Lalrotluanga & Lalramliana, 2011fresh · tropical
13Monopterus indicus (Silas & Dawson, 1961) · Bombay swampeelfresh · tropical
14Monopterus luticolus Britz, Doherty-Bone, Kouete, Sykes & Gower, 2016fresh · tropical
15Monopterus rongsaw Britz, Sykes, Gower & Kamei, 2018fresh · subtropical
16Monopterus roseni Bailey & Gans, 1998fresh · tropical
17Ophisternon aenigmaticum Rosen & Greenwood, 1976 · Obscure swamp eelfresh · brackish · tropical
18Ophisternon afrum (Boulenger, 1909) · Guinea swamp eelfresh · brackish · tropical
19Ophisternon bengalense McClelland, 1844 · Bengal eelfresh · brackish · tropical
20Ophisternon candidum (Mees, 1962) · Blind cave eelfresh · brackish · tropical
21Ophisternon gutturale (Richardson, 1845) · Australian swamp eelfresh · brackish · tropical
22Ophisternon infernale (Hubbs, 1938) · Blind swamp eelfresh · tropical
23Synbranchus lampreia Favorito, Zanata & Assumpção, 2005 · Spotted swamp-eelfresh · tropical
24Synbranchus madeirae Rosen & Rumney, 1972fresh · tropical
25Synbranchus marmoratus Bloch, 1795 · Marbled swamp eelfresh · brackish · subtropical

Source: FishBase v25.04 (fishbase.org), via cboettig/fishbase, fetched 2026-10-18.