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) >
Heptapteridae (Three-barbeled catfishes)
七鰭鯰科 (Three-barbeled catfishes)
Etymology: Chasmocranus: Greek, chanos, -eos, ous, and chasma, -atos = abyss, mouth opened, inmensity + Greek, kranion = skull (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Mogi Guaçu River basin in upper Paraná River drainage, Brazil.
南美洲: 巴拉納河流域上游的 Mogi Guacu 河流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 13.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 36914)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 巴拉納河流域上游的 Mogi Guacu 河流域。
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36914)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B2ab(iii)); Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00362 - 0.01664), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±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): Low vulnerability (10 of 100).