Simpsonichthys alternatus

Simpsonichthys alternatus is a species of killifish in the family Rivulidae. It is found in the São Francisco River basin, Brazil.

Simpsonichthys alternatus
Conservation status
Vulnerable  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cyprinodontiformes
Family:	Rivulidae
Genus:	Simpsonichthys
Species:	S. alternatus
Binomial name
Simpsonichthys alternatus (W. J. E. M. Costa & G. C. Brasil, 1994)
Synonyms
Cynolebias alternatus Costa & Brasil, 1994 Hypsolebias alternatus (Costa & Brasil, 1994)

Description

Simpsonichthys alternatus reaches a standard length of 3.9 cm (1.5 in).^[2]