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Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).

Issue
Reproductive biology unknown. Additional references: Schultz (1949, as Potamotrygon magdalenae), Thorson et al. (1983a), Compagno & Cook (1995).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Rivers draining into Maracaibo Lake.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.0 cm WD male/unsexed; (Ref. 26543)

Prefers shallow muddy bottoms with turbid waters (Ref. 26543). Feeds on insect larvae (Ref. 26543).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator : Carvalho, Marcelo | Collaborators

de Carvalho, M.R., N. Lovejoy and R.S. Rosa, 2003. Potamotrygonidae (River stingrays). p. 22-28. 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. 36687)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 05 May 2004

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
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Food consumptions
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Predators

Ecology
Ecology

Population dynamics
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Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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Life cycle
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Fecundities
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Egg(s)
Egg developments
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Distribution
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Anatomy
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Brains
Otoliths

Physiology
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Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.40 se; based on food items.

Resilience (Ref. 120179): Very Low, minimum population doubling time more than 14 years (Assuming Fec<10).

Fishing Vulnerability (Ref. 59153): High vulnerability (58 of 100).

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