Spectracanthicus murinus

Spectracanthicus murinus is a species of suckermouth armored catfish endemic to Brazil where it is found in the Tapajós River basin. This species grows to a length of 6.4 centimetres (2.5 in) SL.^[1]

Spectracanthicus murinus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Loricariidae
Subfamily:	Hypostominae
Tribe:	Ancistrini
Genus:	Spectracanthicus
Species:	S. murinus
Binomial name
Spectracanthicus murinus Nijssen & Isbrücker, 1987

S. murinus appears to be unique in the sub-family Ancistrinae in that it has lost many of the traits that describe this group, such as evertible cheek plates and modified opercle.^[2]