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Ikan bertulang rawan (sharks and rays) > Myliobatiformes (Stingrays) > Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
Eponymy: This is a toponym referring to the Río Magdalena, western Colombia, where these species are found. (Ref. 128868), visit book page.
More on author: Duméril.

Issue
Teshima & Takeshita (1992) studied the reproductive biology of this species, and found that males are usually reproductively mature at 17 to 19 cm DW (the holotype is an adult male of 15 cm DW), and that females are sexually mature between 17 and 21 cm DW and produce one embryo per uterus (born at 10 cm DW). Females give birth throughout the year. Additional references: Castex & Suilar (1965), Thorson et al. (1983a), Rosa (1985a), Compagno & Cook (1995).

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

; air tawar bentopelagis. Tropical

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South America: Magdalena and Atrato River basins.

Size / Weight / umur

Maturity: L_m ? range ? - ? cm
Max length : 35.0 cm WD jantan/; (Ref. 36687); Berat maksimum terpublikasi: 755.10 g (Ref. 96636)

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

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

rujukan utama Upload your references | Acuan | Koordinator : Carvalho, Marcelo | mitra

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

Status IUCN Red List (Ref. 130435: Version 2024-2)

hampir terancam (NT) (A2cd); Date assessed: 05 May 2022

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

FAO - Publication: search | FishSource |

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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.

Daya lenting (Ref. 120179): sangat rendah, Waktu penggandaan populasi minimum lebih dari 14 tahun (Assuming Fec<10).

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

Potamotrygon magdalenae (Duméril, 1865)