رده بندی / Names
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Siluriformes (Catfishes) >
Diplomystidae (Velvet catfishes)
Etymology: Olivaichthys: Latin, oliva = olive + Greek, ichthys = fish (Ref. 45335).
Eponymy: Dr Rubén Oliva (1950–2010) was a naturalist and agronomist, whose doctorate was awarded by the University of Oregon. [...] (Ref. 128868), visit book page.
Issue
Redescribed in Azpelicueta (1994b).
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
; آب شيرين نزديك كف زي. Subtropical
South America: Negro River and tributaries in Argentina.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 32.4 cm SL جنس نر / بدون خواص جنسي; (Ref. 26662)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 2; شعاع نرم باله پشتي (کل) : 6; خارهاي باله مخرجي: 4 - 5; شعاع نرم باله مخرجي: 8 - 11; مهره ها: 41 - 43.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.6328 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00178 - 0.01174), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100).
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