分類 / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Hypostomus: Greek, hypo = under + Greek, stoma = mouth (Ref. 45335).
Eponymy: Dr Orville Adalbert Derby (1851–1915) was an American geologist. [...] (Ref. 128868), visit book page.
Issue
Specimens collected in Paraguay (middle Paraguayan Parana basin) identified as Hypostomus derbyi based on morphology (Weber et al. 1992:13) and description of teeth in Muller and Weber (1992:750, fig. 2f).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical
South America: Iguaçu River and arroyo Uruga-í Creek basins, Paraguayan tributaries of the Paraná River.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 31.0 cm SL オス/雌雄の選別がない; (Ref. 111771); 最大公表体重: 911.30 g (Ref. 111771)
Facultative air-breathing in the genus (Ref. 126274)
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00812 - 0.02821), b=2.98 (2.82 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
回復力 (Ref.
120179): 低い, 4.5年~14年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).