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); occidentalis: From the Latin "occidentalis" = west, in reference to the far west African distribution (Ref. 44050).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 热带
Africa: (middle) Gambia and Géba Rivers in Gambia and Guinea-Bissau respectively (Ref. 44050, 57130).
非洲: 甘比亚与 Geba 河 (甘比亚与几内亚比绍).(参考文献 44050)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 32.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 57130)
简单描述
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: 9 - 11; 脊椎骨: 36 - 38. Diagnosis: tooth patches narrow; vertically based pectoral fin positioned near body mid-depth; 7-8 branched caudal-fin rays; eye relatively large; interorbital space relatively narrow; 8-9 pectoral-fin rays; 36-38 vertebrae; young tan or brown; caudal saddle and bar pattern present in juveniles but poorly developed in adults; flank and dorsum marked with small spots but no large blotches; caudal fin not heavily marked with spots or blotches (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; 7-8 分枝尾鳍鳍条; 眼相当大的; 眼间隔相当狭窄的; 8-9个胸鳍鳍条; 36-38个脊椎骨; 幼鱼黄褐色的或褐色; 尾部的鞍状斑与横带图案出现在稚鱼但是发展不良的当成鱼时; 侧面与背面有显著的小斑点了但是没有大的斑块; 尾鳍不有非常显著的斑点或斑块。 (参考文献 44050)
描述: 身体与头部圆筒形的; 15-17个腹部的脊椎骨; 21个尾部的脊椎骨; 19个尾鳍鳍条 (安排: ii-7-8-ii).(参考文献 44050)
體色 在蔭涼處中的頭部與身體雙色的黃褐色或灰色的; 側面與背面有顯著的分散小斑點了, 通常不延伸到有鰭條的鰭; 脂鰭有顏色的當背面; 胸鰭與腹鰭可能是暗色的當成魚時; 臀鰭通常深色的具有一個灰白的末梢部的邊緣; 在較年輕的標本中尾鰭有灰白的基部新月; 大的成魚可能顯示少量的一條尾部的橫帶與灰白的間隙; 稚魚顯示尾鰭鞍狀斑與橫帶圖案: 尾部的橫帶深色的, 鞍狀斑很清晰但是模糊的; 尾鰭暗著色的 (比側面基底顏色顏色深一點) 有灰白的末梢部的邊緣與寬的灰白基部的新月.(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: 甘比亚与 Geba 河 (甘比亚与几内亚比绍).(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)
人类利用
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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 to moderate vulnerability (29 of 100).
