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Astyanax bimaculatus  (Linnaeus, 1758)

Twospot astyanax
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Native range | All suitable habitat
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Astyanax bimaculatus   AquaMaps   Data sources: GBIF OBIS
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Image of Astyanax bimaculatus (Twospot astyanax)
Astyanax bimaculatus
Picture by Slaboch, R.

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

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Incertae sedis
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mithology (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 5.5 - 7.5; dH range: ? - 25; potamodromous (Ref. 51243).   Subtropical; 20°C - 28°C (Ref. 1672), preferred ?

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

South America: Panama to the Amazon basin.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 17.5 cm TL male/unsexed; (Ref. 79585); max. published weight: 91.60 g (Ref. 79585); max. reported age: 18 years (Ref. 72479)

Biology     Glossary (e.g. epibenthic)

Inhabits large free flowing clear rivers, small streams, drainage ditches and artificial ponds and impoundments (Ref. 11225). Feeds on zooplankton, detritus, higher plants and sometimes on the scales of fish. Gametogenesis takes place during the dry season in time for reproduction to begin during the rainy season (Ref. 12225). Reproduction could be carried out in captivity (Ref. 27188).

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

Main reference Upload your references | References | Coordinator | Collaborators

Planquette, P., P. Keith and P.-Y. Le Bail, 1996. Atlas des poissons d'eau douce de Guyane. Tome 1. Collection du Patrimoine Naturel Volume 22, MNHN, Paris & INRA, Paris. 429 p. (Ref. 12225)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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