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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) > Akysidae (Stream catfishes) 河鯰科 (Stream catfishes) > Akysinae
Etymology: Akysis:Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); fontaneus:The specific epithet comes from the Latin adjective fontaneus, meaning of or from a spring, in reference to the nature of a type locality (a spring-fed stream).
Environment: milieu / climate zone / 深度上下限 / distribution range 生態學
背棘 (總數) : 1; 背的軟條 (總數) : 5; 臀棘: 3; 臀鰭軟條: 7; 脊椎骨: 33. Akysis fontaneus is distinguished from congeners by a combination of the following characters: weakly emarginate caudal fin, convex dorsal surface of neurocranium making predorsal profile appear steeply sloping, presence of 4 large serrations on posterior edge of pectoral spine that are more than half width of spine, predorsal length 34.5% SL, pectoral-fin length 21.7% SL (not reaching pelvic-fin origin), length of adipose-fin base 18.7% SL and interorbital distance 42.3% HL (Ref. 80541). Body shape (shape guide): elongated; Cross section: compressed.
Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Phylogenetic diversity index (參考文獻 82804): PD50 = 0.5000 [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 (參考文獻 69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100). 🛈