Description

Dorsal spines (total): 0; Dorsal soft rays (total): 16 - 26; Anal spines: 0; Anal soft rays: 21 - 29; Vertebrae: 28 - 31. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes of equal size to, or wider than the light interspaces) and a vertically paired black blotch on caudal peduncle of juveniles and females (versus small spots irregularly arranged, or a single round dorsally positioned spot, or no spots on caudal peduncle). Scales on longitudinal series 28-30, supraorbital neuromasts 19-24, caudal fin rounded (fin rays 23-26), pharyngobranchial teeth 2-5. Dorsal fin origin anterior to anal fin origin in females.

Common Names

No common names available.

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Cyprinodontiformes

Family: Rivulidae

Genus: Austrolebias

Species: Austrolebias charrua Costa & Cheffe, 2001

Climate Zone

Location

Biology

Life cycle and mating behavior

Habitat

benthopelagic