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Austrolebias charrua  Costa & Cheffe, 2001

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Austrolebias charrua
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines)
Etymology: Austrolebias: Composed from Austro = the south + see under Lebias;  charrua: Named after an indiginous tribe that used to inhabit southern Estado do Rio Grande do Sul (Ref. 44045).   More on author: Costa.

Environment / Climate / Range Ecology

Freshwater; benthopelagic; non-migratory.   Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Laguna dos Patos basin in Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.7 cm SL male/unsexed; (Ref. 44045); 4.2 cm SL (female)

Short description Morphology | Morphometrics

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.

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Costa, Wilson J.E.M. | Collaborators

Costa, W.J.E.M. and M.M. Cheffe, 2001. Three new annual fishes of the genus Austrolebias from the Laguna dos patos system, southern Brazil, and a rediscription of A. adloffi (AHL) (Cyprinodontiformes: rivulidae). Comun. Mus. Ciênc. Tecnol. PUCRS, Sér. Zool. Porto Alegre 14(2):179-200. (Ref. 44045)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

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