Overview

Comprehensive Description

Biology

Common in shallow areas and near banks (Ref. 27749). Reproductive biology in upper Orinoco basin provided by Lasso et al. (1997a), where females appear to bear only two young per gestation. Larger individuals may attain 25 kg in weight. Food includes insects, crustaceans and fishes (Ref. 36687).
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Distribution

South America: Amazon River basin (Ucayali, Solimões, Amazon, Negro, Branco, Madeira and its affluents in Bolivia, and Tocantins River) and Orinoco basin.
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Amazon River and Oronico River basins: Bolivia, Brazil, Ecuador, Peru and Venezuela [if treated with this authorship].
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Physical Description

Size

Maximum size: 650 mm WD
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Max. size

80.0 cm WD (male/unsexed; (Ref. 36687)); 78 cm WD (female); max. published weight: 14.0 kg (Ref. 27749); max. published weight: 25 kg
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Ecology

Habitat

Environment

demersal; freshwater
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Trophic Strategy

Feeds on fish, benthic organisms, plants and detritus (Ref. 27749).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Paratrygon aiereba

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 24
Species With Barcodes: 1
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Conservation

Threats

Data deficient (DD)
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