分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶; 11°S - 21°S
Africa: Cunene, Okavango, upper Zambezi and Kafue systems, recently taken from the middle Zambezi above Kariba (Ref. 52193).
非洲: 庫內內河，奧塔萬戈河, 尚比西河上游與 Kafue 系統,最近取自了在 Kariba 上面的中央尚比西河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 52193)
背棘 (總數) : 0; 臀棘: 0.
Inhabits clear, quiet, well-vegetated habitats; common on floodplains and in the Okavango Delta; feeds by picking periphyton and tiny invertebrates from the stems and leaves of water plants; breeds in summer (Ref. 7248, 52193). Attractive and peaceful in aquariums (Ref. 52193).
棲息於清澈的﹐安靜的﹐和植物生長良好的棲息地; 常見於洪泛區與在奧塔萬戈河三角州中。 刮食固著生物與水中植物的極小無脊椎動物從莖與樹葉。 繁殖於夏天。 (參考文獻 7248)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 庫內內河，奧塔萬戈河, 尚比西河上游與 Kafue 系統,最近取自了在 Kariba 上面的中央尚比西河。
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 01 March 2007
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00189 - 0.01058), b=3.17 (2.96 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.32 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
