One-spine Pearlfish

Austrolebias univentripinnis

One spine shining in the Mirim lagoon

Tropical
Southern Hemisphere
Regional distribution
Freshwater fish
South America
Small
Tropical fish

One-spine Pearlfish is a freshwater fish of South America. The species occupies freshwater habitats. The species reaches a recorded maximum of 3.6 cm.

Class: Teleosts
Order: Killifishes and Livebearers
Family: Rivulidae
Genus: Austrolebias
Water type: Freshwater