Rheocles derhami

Rheocles derhami is a species of rainbowfish in the subfamily Bedotiinae, the Madagascar rainbowfishes.^[2] It is endemic to the Ambalona River and Mangarahar River in Madagascar. Its natural habitat is rivers.^[1] It was described by Melanie Stiassny and Damaris Rodriguez in 1992^[3] and was named in honour of the Swiss conservationist Patrick De Rham.^[4]

Rheocles derhami
Conservation status
Critically Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Atheriniformes
Family:	Bedotiidae
Genus:	Rheocles
Species:	R. derhami
Binomial name
Rheocles derhami Stiassny & D. M. Rodríguez, 1992