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); maculicauda: Named for its caudal spot.
More on authors: Vari & Géry.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶
Africa: Lower Guinea endemic, known from the Ntem, Mbini [=Woleu] and the Ogowe River basins (Ref. 81638).
非洲: 在 Djouah 的接合與 Karouaga 河已知只來自模式標本產地伊溫多河河加彭。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 3.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 7094)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 11 - 14; 臀棘: 0; 臀鰭軟條: 12 - 13. Diagnosis: distinct, large round spot on posterior portion of caudal peduncle and mid-basal caudal fin rays (Ref. 81638).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 在 Djouah 的接合與 Karouaga 河已知只來自模式標本產地伊溫多河河加彭。
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: 16 February 2009
人類使用
漁業: 潛在的興趣
工具
特別的報告
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網路資源
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): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).