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).
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: Chubut and Senguer River basins in Argentina.
南美洲: 在阿根廷的 Chubut 與 Senguer 河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 16.8 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: 5; 臀鰭軟條: 8; 脊椎骨: 42.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 在阿根廷的 Chubut 與 Senguer 河流域。
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)
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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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).