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) >
Ariidae (Sea catfishes)
海鯰科 (Sea catfishes) > Ariinae
Etymology: Potamarius: Greek, potamos = river (Ref. 45335).
More on authors: Evermann & Goldsborough.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
Central America: Usumacinta River basin in Mexico.
北美洲: Usumacinta 河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 39.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 39852)
Males carry the eggs in their mouth (Ref. 205).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Males carry the eggs in their mouth (Ref. 205).北美洲: Usumacinta 河流域。
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 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 06 September 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00460 - 0.01252), b=3.20 (3.05 - 3.35), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).