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Myliobatiformes (Stingrays) >
Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
Eponymy: Leopold Filips Karel Albert Meinrad Hubertus Maria Miguel, King Leopold III of Belgium (1901–1983) was King of the Belgians (1934–1951) before abdicating in favour of his son. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Known from three specimens in collections, this species may be endangered because of high endemism (Rosa & Menezes, 1996). Reproductive biology unknown. Additional references: Walschaerts (1987), Compagno & Cook (1995).
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar bentopelagis; pH range: 6.0 - 6.8. Tropical; 20°C - 25°C (Ref. 13614)
South America: Xingu River basin (Xingu and Fresco rivers).
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm 35.0, range 30 - 40 cm
Max length : 111 cm WD jantan/; (Ref. 111518); Berat maksimum terpublikasi: 17.0 kg (Ref. 111518)
Buried in sand during day, hunting for benthic invertebrates during night (Ref. 13614).
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 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: komersial; Akuarium: Akuarium publik
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Tingkat Trofik (Acuan 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
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Generation time |
10.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (tm=3-4; Fec=2 (in captivity)). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High to very high vulnerability (68 of 100). 🛈 |
kategori harga (Ref. 80766) |
Medium.
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