Astyanax bimaculatus (Linnaeus, 1758)

Twospot astyanax

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Characiformes \| Characidae \| Incertae sedis
Synonyms	Salmo bimaculatus, Astyanax bimaculatus borealis, Astyanax bimaculatus incaicus, ... more
Common names	Two spots astyanax, Sardine doree, Sardinita, ... more

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Image of Astyanax bimaculatus (Twospot astyanax)

Picture by Slaboch, R.

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Main reference

Planquette, P., P. Keith and P.-Y. Le Bail. 1996. (Ref. 12225)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 17.5 cm TL male/unsexed; (Ref. 79585); max. published weight: 91.6 g (Ref. 79585); max. reported age: 18 years (Ref. 72479)

Environment

Benthopelagic; potamodromous (Ref. 51243); freshwater; pH range: 5.5 - 7.5; dH range: ? - 25

Climate / Range

Subtropical; 20°C - 28°C (Ref. 1672)

South America: Panama to the Amazon basin.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: of no interest; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (12 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Torres, Armi G.

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Page last modified by : elaxamana, 15 July 2009

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