Taxonomic Remarks
Occurrence in Orinoco basin tentative, dependent upon identification of questionable synonym Oxydoras holdeni Fernández-Yépez; specimens of Oxydoras niger reported from Venezuela by Fernández-Yépez 1968:57 pertain to Oxydoras sifontesi Fernández-Yépez. Species-level distinctiveness of São Francisco and Amazonas Oxydoras not investigated.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar dasar (demersal); pH range: 6.0 - 7.8; dH range: ? - 25; potamodromous (Ref. 126106). Tropical; 21°C - 24°C (Ref. 2060)
South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm 62.5  range ? - ? cm
Max length : 100.0 cm SL jantan/; (Ref. 37054); common length : 59.0 cm SL jantan/; (Ref. 9081); Berat maksimum terpublikasi: 11.0 kg (Ref. 40637); Berat maksimum terpublikasi: 11.0 kg
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Adults occur over mud in streams and lakes. They form schools (Ref. 9084) and feed on detritus, chironomid and ephemeropteran larvae, and crustaceans (Ref. 9096). Known from temperatures ranging from 24-29.8 °C, pH range of 5-9, and an alkalinity range of 42-142.
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. 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. 37054)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: nilai komersial kecil; Akuarium: Komersial
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01660 (0.01378 - 0.01999), b=2.99 (2.94 - 3.04), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
2.8 ±0.29 se; based on food items. |
Daya lenting (Acuan 120179) |
Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Preliminary K or Fecundity.). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
High vulnerability (63 of 100). 🛈 |
kategori harga (Ref. 80766) |
Unknown.
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