Overview

Distribution

Das Velhas River, São Francisco River basin, Brazil.
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South America: São Francisco River basin.
  • Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. … 2003 Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)   http://www.fishbase.org/references/FBRefSummary.php?id=38376&speccode=10622 External link.
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Physical Description

Size

Max. size

9.9 cm SL (male/unsexed; (Ref. 81202))
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Trophic Strategy

Ratio of digestive tube length/standard length is 1.2. Collects food items from drifting current and sometimes trims submerged roots of Poaceae or algae attached to rocks. When collecting items carried by the current, the fish swims upstream orientated, either in the middle of the water column, or at the margins or downstream from rocks (Ref. 27701).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Astyanax rivularis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 11
Species With Barcodes: 1
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Conservation

Threats

Not Evaluated
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