Hypsiscopus matannensis

Hypsiscopus matannensis is a species of water snake in the order Squamata.^[1] The species epithet refers to its type locality, Lake Matana (also spelled Matano), in Sulawesi.^[2][3] Its common names are Matana mud or water snake,^[3][4][5] which also reflects its type locality, and Boulenger's water snake.^[6] The species was first described in 1897 by the zoologist George Albert Boulenger.

Hypsiscopus matannensis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Homalopsidae
Genus:	Hypsiscopus
Species:	H. matannensis
Binomial name
Hypsiscopus matannensis (Boulenger 1897)
Synonyms
Enhydris matannensis Hypsirhina matannensis (Basionym)

It is endemic to Southeast Sulawesi (the Celebes).^[7]