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背面の脊椎 (合計) : 0; 背鰭 (合計) : 19 - 22; 肛門の骨: 0; 臀鰭: 27 - 31. Diagnosis: Body depth 32.7-36.8% of standard length; anal fin length 23.5-27.0% of standard length; eye diameter as defined by orbital rims 21.8-25.0% of head length; length of snout to posterior orbital rim of eye 44.9-48.1% of head length; number of dorsal fin rays 19-22; number of scales in lateral line 39-41 (Ref. 91771). No spot below dorsal fin origin (Ref. 91771).
Body shape (shape guide): fusiform / normal.
Found in a shallow floodplain lagoon; substrate is mud; vegetation is dense emergent grasses and water lilies (Nymphea sp.); water depth up to 2 m; lagoon flooded during winter flood cycle and dry during the low water period (Ref. 91771).
Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Kramer, B., R. Bills, P. Skelton and M. Wink, 2012. A critical revision of the churchill snoutfish, genus Petrocephalus Marcusen, 1854 (Actinopterygii: Teleostei: Mormyridae), from southern and eastern Africa, with the recognition of Petrocephalus tanensis, and the description of five new species. Journal of Natural History 46(35-36):2179-2258. (Ref. 91771)
Phylogenetic diversity index (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00684 - 0.03506), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
栄養段階 (参照 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100). 🛈
