Austrolebias minuano Costa & Cheffe 2001

Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes 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). Second pharyngobranchial teeth 6-7 and adult males with a rather deep body which sometimes forms a discoid body morphology. Supraorbital neuromasts 16-19, scales on longitudinal series 26-28. Dorsal fin origin anterior to anal fin origin, caudal fin rays 22-25. Caudal fin rounded.

Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 25; Analspines: 0; Analsoft rays: 21 - 27; Vertebrae: 27 - 30

Austrolebias minuano is a species of killifish from the family Rivulidae. It is endemic to plains to the south of the Laguna dos Patos in southern Brazil. This species was described in 2001 with the type locality given as a Temporary lagoon about 4.5 kilometers north of the town of Quinta in Rio Grande do Sul. The specific name refers to the Minuane an indigenous people who lived in Rio Grande do Sul.