分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Malapteruridae (Electric catfishes)
Etymology: Malapterurus: Greek, mala = a lot of + Greek, pteron = fin + Greek, oura = tail (Ref. 45335); thysi: Named for the Belgian ichthyologist Dirk Thys van den Audenaerde, former director of the Royal Museum of Central Africa (Tervuren, Belgium) (Ref. 44050).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
Africa: Cess (=Nipoué) and Cavally rivers in Western Ivory Coast (Ref. 44050, 57130).
非洲: Cess(=Nipoue) 与卡瓦利河，科特迪瓦.(参考文献 44050)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 24.0 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 0; 臀棘: 0; 臀鳍软条: 7 - 9; 脊椎骨: 38 - 41. Diagnosis: tooth patches broad, semi-circular; pectoral fins placed low on body; 7-9 anal-fin rays; 20 caudal-fin rays (arrangement ii-7-8-iii, rarely ii-7-8-ii); 1-2 gill-rakers on upper branch of first arch; 38-41 vertebrae; caudal saddle and bar strongly developed; caudal saddle generally composed of concentrations of spots and blotches; caudal bar confined to base of caudal fin, not extending onto the caudal peduncle; body brown or tan; caudal fin darkly and solidly pigmented without pale basal crescent; lower lip, underside of head and mental barbels unpigmented or lightly pigmented (Ref. 44050).
鉴别: 牙齿区块宽的, 半-圆形的; 胸鳍放置了在身体上的低处; 7-9个臀鳍棘条; 20个尾鳍鳍条;(安排 ii-7-8-iii, 很少地 ii-7-8-ii) 在第一鳃弓的上面分支上的 1-2 鳃耙; 38-41个脊椎骨; 尾部的鞍状斑与横带发育明显的; 尾部的鞍状斑通常斑点与斑块的集中组成; 尾部的横带局限于尾鳍基底了, 不延伸到尾梗; 身体褐色或黄褐色的; 尾鳍暗而且坚硬着色的没有灰白的基部新月; 下唇, 头部与神经触须的下面没有颜色或颜色很淡.(参考文献 44050)
描述: 身体与头部强烈地扁平的; 眼小的而且背外側地直接的; 下頜明顯突出; 16-18個腹部的脊椎骨; 22-24個尾部的脊椎骨.(參考文獻 44050)
體色 身體與頭部雙色的; 背面與側面淡褐色; 腹部黃褐色的; 側面與背面很好地有粗糙又時常部分重疊的斑點與斑塊斑點, 倍眼直徑的許多向上到 3-4; 斑點繼續腹部但是不當濃密地; 偶鰭無斑點的, 胸鰭清澈的, 腹鰭不透明物-微白色的; 偶鰭的背面當成魚時可能是輕輕的彩色具有側面有顏色; 臀鰭偶然地有斑點而且通常暗有一個有顏色基部的部分 (不常很清晰), 通常是侷限於鰭的後半段; 暗有顏色的尾鰭遍及具有一個很清晰灰白的末梢部的邊緣; 尾部的橫帶有垂直的，而且直的前緣, 主要地侷限於尾鰭了; 尾部的有斑點的, 呈現一系列的緊密地在一起斑塊與斑點, 橫過腹地延伸側面中的 2/3 到在側線的水平正下方與從不在臀鰭之上; 鞍狀斑在前半部的脂鰭之上延伸, 那一個與灰白的間隙相配的後半段; 鞍狀斑褪色具有逐漸增加的身體大小.(參考文獻 44050)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: Cess(=Nipoue) 与卡瓦利河，科特迪瓦.(参考文献 44050)
Norris, S.M., 2002. A revision of the African electric catfishes, family Malapteruridae (Teleostei, Siluriformes), with erection of a new genus and descriptions of fourteen new species, and an annotated bibliography. Ann. Mus. R. Afr. Centr., Sci. Zool., 289:1-155. (Ref. 44050)
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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=0.01122 (0.00451 - 0.02792), b=3.00 (2.79 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
