Overview

Comprehensive Description

Biology

Distinct pairs breed on densely grown weedy places (Ref. 205). Males are sexually mature at 1 year while the females become mature at 2 years. Reproduction is from November to March with a peak from December to March. The female spawns 100,000 to 200,000 eggs (Ref. 12225).
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Distribution

South America: Amazon river basin and Guiana rivers (Ref. 36801). Reported from Argentina (Ref. 56308).
  • Garavello, J.C. and H.A. Britski 2003 Anostomidae (Headstanders). p. 71-84. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36801)
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Amazon River basin and Guiana rivers: Argentina, Brazil and French Guiana.
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Physical Description

Size

Max. size

33.0 cm TL (male/unsexed; (Ref. 12225))
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 5.6 - 7.2; dH range: 18
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Life History and Behavior

Life Cycle

Distinct pairs breed on densely grown weedy places (Ref. 205).
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Conservation

Threats

Not Evaluated
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