| Phalloceros heptaktinos | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Poeciliidae |
| Genus: | Phalloceros |
| Species: | P. heptaktinos |
| Binomial name | |
| Phalloceros heptaktinos Lucinda, 2008 | |
Phalloceros heptaktinos, the seven ray toothcarp, is a species of poeciliid fish native to Brazil. [1]
Phalloceros heptaktinos is known only from the tributarues of the arroio dos Ratos, in the Jacuí basin of the Rio Grande do Sul, Brazil. [2]
The females of this species grow to a total length of 3.0 centimetres (1.2 in), while males remain smaller at 2.4 centimetres (0.94 in). . [2]
The fish live in tropical freshwater; and are benthopelagic. [2]
The fish is named in Latin = hepta-, seven; aktinos, rays, referring to number of dorsal-fin rays of the females. [3]