分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Auchenoglanididae (Flatnose catfishes)
Etymology: Parauchenoglanis: Greek, para = near + Greek, auchen = neck + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 居于水底的. 热带; 5°N - 2°N
Africa: only known from the Nyong basin in southern Cameroon (Ref. 81642).
非洲: 喀麦隆南方部.(参考文献 3236)
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 41.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 50834)
背棘 (总数) : 2. Diagnosis: caudal peduncle relatively long, its depth slightly larger than the horizontal distance between adipose and caudal fin bases (never twice as large); anterior edge of pectoral spine smooth, except for a few serrations distally; preorbital head length greater than maximum head depth (measured to end of supraoccipital process), lending the snout an elongate appearance; numerous small spots on body and fins; spots on head and flanks of equal size; interorbital distance 28-30% HL; orbital diameter (measured on rostro-caudal axis) more than 2 times in interorbital distance (Ref. 81642).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 喀麦隆南方部.(参考文献 3236)
Geerinckx, T., D. Adriaens, G.G. Teugels and W. Verraes, 2004. A systematic revision of the African catfish genus Parauchenoglanis (Siluriformes: Claroteidae). J. Nat. Hist. 38:775-803. (Ref. 50834)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
濒危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009
人类利用
渔业: 没有兴趣
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00218 - 0.01265), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
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