分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Diplomystidae (Velvet catfishes)
二鬚鯰科 (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
First regarded as a valid species in Azpelicueta (1994a), redescribed in Azelpelicueta (1994b).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶
South America: Colorado River and tributaries; Desaguadero-Salado basin, including the rivers San Juan, Mendoza, Tunuyán and temporary environments connected to those rivers.
南美洲: 科羅拉多河與支流; Desaguadero-Salado 的流域, 包括河桑河胡安， Mendoza, Tunuyan 與暫時的環境連接到那些河了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 21.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 26662)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 2; 背的軟條 (總數) : 6; 臀棘: 4 - 5; 臀鰭軟條: 9 - 11; 脊椎骨: 41 - 44.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 科羅拉多河與支流; Desaguadero-Salado 的流域, 包括河桑河胡安， Mendoza, Tunuyan 與暫時的環境連接到那些河了。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
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).
營養階層 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
