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Siluriformes (Catfishes) >
Pimelodidae (Long-whiskered catfishes)
Etymology: Sorubim: Brazilian local name, sorubim (Ref. 45335); trigonocephalus: Name from Latin 'trigonocephalus' referring to the triangular ('trigono-) shape of the head ('-cephalus) in dorsal or ventral views (Ref. 57983).
Issue
Extremely rare in collections; known from only 3 specimens.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal). Tropical
South America: Madeira and Tapajós River basins, two Amazon tributaries.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 50.7 cm SL jantan/; (Ref. 36506); Berat maksimum terpublikasi: 509.38 g (Ref. 126097)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 2; duri punggung lunak (Keseluruhan (total)) : 6; Sirip dubur lunak: 19 - 22; vertebrata, bertulang belakang: 58. Distinguished from its congeners by the following combination of characters: snout very elongated, triangular or arrowhead shaped in dorsal and ventral view; exposed portion of premaxillary tooth patch as long as wide (Ref. 57983).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. 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. 36506)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00145 - 0.01438), b=3.08 (2.83 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (45 of 100).