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); stiassnyae: Named to honor the collector of the holotype, Melanie L. J. Stiassny (American Museum of Natural History, New York), who has raised an eloquent voice in conservation matters (Ref. 44050).
Eponymy: Dr Melanie Lisa Jane Stiassny (d: 1953) is a British-born naturalized American citizen who is Herbert R. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 热带
Africa: broadly distributed in Upper Guinean basins east of the Fouta Dialon uplands, from the Bofon River (Guinea) to the St. Paul River (Liberia); also verified from the Cavally basin (Ref. 44050, 57130).
非洲: 宽广地分布于上面的 Guinean 流域了 Fouta Dialon 丘陵地以东, 从 Bofon 河 (几内亚) 到圣保罗河 (赖比瑞亚); 也确认从卡瓦利流域。 (参考文献 44050)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 57130)
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: 8 - 11; 脊椎骨: 38 - 42. Diagnosis: body elongate and cylindrical; tooth patches narrow; vertically based pectoral fins positioned at the body mid-depth; 8-11 anal-fin rays; usually more than 17 gill rakers on first arch; 2 ventral unbranched and 7-8 branched caudal-fin rays; 8-11 pectoral-fin rays; caudal saddle and bar pattern well developed in juveniles and young; caudal fin darkly pigmented in adults; caudal saddle and bar merged dorsally in specimens in which they are still visible (Ref. 44050).
鉴别: 身体延长与圆筒形的; 牙齿区块狭窄的; 垂直地基础的胸鳍放置在身体在-之中深度; 8-11个臀鳍棘条; 通常在第一鳃弓上的超过 17个鳃耙; 2 腹的不分枝的与 7-8 分枝尾鳍鳍条; 8-11个胸鳍鳍条; 在稚鱼与幼鱼中的尾部鞍状斑与横带图案发展良好的; 尾鳍暗有颜色当成鱼时; 尾部的鞍状斑与横带背面在他们仍然是看得见的标本中合并了。 (参考文献 44050)
描述: 头部深的而且圆筒形的; 身体延长与纺锤型, 不扁平的; 眼侧部与相当大的; 颚等于; 16-18个腹部的脊椎骨; 21-24个尾部的脊椎骨; 19個尾鰭鰭條 (安排通常 ii-7-8-ii, 也 iii-7-8-ii 與 ii-6-8 ii 的).(參考文獻 44050)
體色 身體與頭部雙色的; 背面淡褐色 (或灰色或藍灰色), 藉由腹部多顏色淡, 但是仍然有顯著的擴散斑點深色的; 頭部的下面暗色的; 背面與側面以大部份小的斑點顯著, 很少的超過 2-3 倍眼直徑, 具有一些小的斑點散佈在腹部上; 偶鰭暗色的, 很少地生長著斑點; 暗有顏色的臀鰭遍及具有一個清澈的末梢部的邊緣, 時常也生長著分散的小斑點; 尾鰭深色的具有一個很清晰灰白的末梢部的邊緣 , 與灰白的基部新月當幼魚時; 尾部的鞍狀斑與橫帶圖案突出的在稚魚與幼魚中, 成長的比較模糊的隨著體型增大而且主要地去 140 mm SL; 當仍然看得見的時候,尾鰭橫帶與鞍狀斑寬廣地越過側面的背部 2/3 被合併, 留下一個灰白間隙的非常小部分看得見的腹地; 脂鰭暗有顏色, 具有一個灰白的末梢部的邊緣; 極小的稚魚相當沒有顏色具有非常模糊的斑點或尾部的條紋.(參考文獻 44050)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 宽广地分布于上面的 Guinean 流域了 Fouta Dialon 丘陵地以东, 从 Bofon 河 (几内亚) 到圣保罗河 (赖比瑞亚); 也确认从卡瓦利流域。 (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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
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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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), 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 to moderate vulnerability (27 of 100).
