| Simpsonichthys alternatus | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Cyprinodontiformes |
| Family: | Rivulidae |
| Genus: | Simpsonichthys |
| Species: | S. alternatus |
| Binomial name | |
| Simpsonichthys alternatus (W. J. E. M. Costa & G. C. Brasil, 1994) | |
| Synonyms | |
| |
Simpsonichthys alternatus is a species of killifish in the family Rivulidae. It is found in the São Francisco River basin, Brazil.
Simpsonichthys alternatus reaches a standard length of 3.9 cm (1.5 in).