Macrotrema caligans

Macrotrema caligans is a species of swamp eel native to Peninsular Malaysia and the Mae Nam Chao Praya basin in Thailand. The male guards a nest in a burrow.^[1] This species is the only known member of its genus.^[2]

Macrotrema caligans
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Synbranchiformes
Family:	Synbranchidae
Subfamily:	Macrotreminae Rosen & Greenwood, 1976
Genus:	Macrotrema Regan, 1912
Species:	M. caligans
Binomial name
Macrotrema caligans (Cantor, 1849)
Synonyms[1]
Symbranchus caligans Cantor, 1849