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Astyanax bimaculatus in Uruguay
Twospot astyanax

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Astyanax bimaculatus   (Linnaeus, 1758)
Family:	Characidae (Characins) , subfamily: Incertae sedis			picture (Asbim_u0.jpg) by Slaboch, R.
Order:	Characiformes  (characins)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Twospot astyanax
Max. size:	17.5 cm TL (male/unsexed; Ref. 79585); max. published weight: 91.6 g (Ref. 79585); max. reported age: 18 years
Environment:	benthopelagic; potamodromous; pH range: 5.5 - 7.5; dH range: 25
Climate:	subtropical; 20 - 28°C
Global Importance:	fisheries: of no interest; aquarium: commercial
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	South America: Panama to the Amazon basin.
Biology:	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)
Threatened:	Not Evaluated, see IUCN Red List  , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Planquette, P., P. Keith and P.-Y. Le Bail. 1996. (Ref. 12225)
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Uruguay country information
Common names:	Mojarra piava, Two spots astyanax		Ref:  Nion, H., C. Rios and P. Meneses, 2002
Status:	questionable		Ref:
Salinity:	freshwater
Regulations:	no regulations		Ref:
Uses:	no uses
Comments:	Not in Ref. 38376, occurrence needs verification.
Country Information:	www.cia.gov/cia/publications/factbook/geos/uy.html
Occurrences:	Occurrences    Point map
Main Ref:	Planquette, P., P. Keith and P.-Y. Le Bail, 1996
National Database:	Dinara
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More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Length-frequency Wizard | Life-history tool | Point map |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Tree of Life | Zoological Record Other web sites |
	Note: use the Back button of your browser to return to FishBase.
	Modified:  Garilao, Cristina V.	Entered:  Froese, Rainer

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07