Common names from other countries
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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); oguensis: The specific epithet is geographic referring to the Ogowe (Ogôoué) River where the types originated (Ref. 44050).
More on author: Sauvage.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
Africa: Ogôoué basin, Nyanga River and Kouilou-Niari system (Cameroon to Republic of Congo) (Ref. 44050, 81645).
非洲: 已知来自欧固耶河流域, Nyanga 河与 Kouilou-Niari 的系统 (喀麦隆到加彭)了。 (参考文献 44050)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 21.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 44050); 20.0 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0; 臀鳍软条: 8 - 10; 脊椎骨: 38 - 40. Diagnosis: tooth patches narrow; vertically based pectoral fin positioned near body mid-depth; 6-7 branched caudal-fin rays; 8 (rarely 7 or 9) pectoral-fin rays; 3 ventral unbranched caudal-fin rays (Ref. 44050). Dorsum, flank and head unspotted; caudal saddle and bar pattern intensely expressed with wide, dark and well defined saddle that extends onto the anal fin, with no interruption between saddle and anal-fin pigment fields (Ref. 44050, 81645)(in all other species with a caudal saddle there is a clear break in pigment between the saddle and the anal fin pigmentation)(Ref. 44050). Venter unpigmented; 38-40 vertebrae (Ref. 44050, 81645). 4-14 gill-rakers (Ref. 44050).
鉴别: 牙齿区块狭窄的; 垂直地基础的胸鳍放置在身体的附近在-之中深度; 6-7 分枝尾鳍鳍条; 8(很少地 7 或 9)个胸鳍鳍条; 3个腹的不分枝的尾鳍鳍条; 背面，侧面与头部无斑点的; 密集表达的尾部的鞍状斑与横带图案有宽的, 深色的而且很清晰在臀鳍之上延伸的鞍状斑, 没有在鞍状斑与臀鳍有颜色野外采集之间的中断;(在所有的其他种方面具有一个在鞍状斑与臀鳍颜色之间在有颜色中有清澈的休息的尾部的鞍状斑) 腹部没有颜色; 4-14个鳃耙; 38-40个脊椎骨.(参考文献 44050)
描述: 头部深的而且圓筒形的; 顎平坦或低的 ja 只些微地突出的; 16-18個腹部的脊椎骨; 21-23個尾部的脊椎骨; 19個尾鰭鰭條 (安排: iii-6-7-iii).(參考文獻 44050)
體色 頭部與身體雙色的; 背面柔軟甚至灰色的, 腹部黃褐色或略帶桃色的.(參考文獻 44050) 斑點或斑塊完全地不存在 (參考文獻 44050), 或小的如果有的話.(參考文獻 34006) 尾部的鞍狀斑與橫帶深色的; 灰白的間隙與灰白的新月在尾鰭基底是明亮的。 (參考文獻 44050) 尾部的橫帶跨越尾鰭基底與尾梗的終點。 (參考文獻 34006,44050) 尾部的鞍狀斑銳利地有一個不明顯的前緣具有一個定義後緣。 (參考文獻 44050) 它完全地身體的周圍與在臀鰭之上延伸。 (參考文獻 34006,44050) 胸鰭清澈的; 腹鰭不透明物或微白色的; 臀鰭暗有顏色始終了, 除了一個灰白的末梢部的邊緣.(參考文獻 44050) 與灰白的間隙在脂鰭之上運送。 (參考文獻 34006,44050) 尾鰭暗著色的, 除了灰白的基部新月與清澈的末梢部的邊緣; 尾部的鞍狀斑與橫帶圖案以身體大小在定義減少，而且這些斑紋不是當明顯的也不當深色的在這種的標本中確認從超過奧克維河流域.(參考文獻 44050) 寬的黑點之間的間隙在保存的標本與白色是灰白的, 黃色或甚至橘色在活體中; 顏色在稚魚中是最顯著的也出現在成魚.(參考文獻 34006)
An upland species, generally not found in lowland habitats, where it appears to be replaced by M. beninensis (Ref. 81645).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 已知来自欧固耶河流域, Nyanga 河与 Kouilou-Niari 的系统 (喀麦隆到加彭)了。 (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)
CITES (Ref. 128078)
Not Evaluated
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this 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 (16 of 100).
