klasifikasi / Names
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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Pachyurus: Greek, pachys = fat + Greek, oura = tail (Ref. 45335); stewarti: Named for Dr. Donald Stewart (formerly at FMNH) for his contributions to the knowledge of Neotropical fishes.
Eponymy: Dr Donald James Stewart (d: 1946) is Professor of Environment & Forest Biology at the College of Environmental Science and Forestry, State University of New York, Syracuse, where he presently teaches Ichthyology & Tropical Ecology. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar pelagis, permukaan. Tropical
South America: only known from the Río Napo and Río Aguarico, eastern Ecuador, in the western portion of the Rio Amazonas basin.
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 19.2 cm SL jantan/; (Ref. 54848)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
A species of Pachyurus with a unique coloration pattern of about twelve brown vertical bars and ellipsoid blotches on the side of trunk and a thick horizontal stripe from the middle of the caudal peduncle to the front of the caudal-fin base.
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Casatti, L. and N.L. Chao, 2002. A new species of Pachyurus Agassiz 1831 (Teleostei: Perciformes: Sciaenidae) from the Río Napo basin, Eastern Ecuador. Zootaxa 38:1-7. (Ref. 54848)
Status IUCN Red List (Ref. 130435: Version 2024-1)
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 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00415 - 0.01744), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).