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Marcusenius altisambesi Kramer, Skelton, van der Bank & Wink, 2007

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drawing shows typical species in Mormyridae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Osteoglossiformes (Bony tongues) 骨舌魚目 (Bony tongues) > Mormyridae (Elephantfishes) 象鼻魚科 (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist; altisambesi: Marcusenius altisambesi refers to the Upper Zambezi River, that is, the section of the Zambezi that ends at Victoria Falls; with 'sambesi' as a noun in apposition (Ref. 75962).
Eponymy: Dr Johann Andreas Marcusen (1817–1894) was a Latvian of German descent who was a physician, ichthyologist and zoologist. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的.

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: upper Zambezi River system in Caprivi strip, including the lower Kwando River, and western Okavango System in Angola, Botswana and Namibia (Ref. 75962, 94473).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 19.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 75962)

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) : 20 - 26; 臀棘: 0; 臀鰭軟條: 26 - 30. Diagnosis: Marcusenius altisambesi can be distinguished from its congeners by the following characters: scales around caudal peduncle 12-14; scales in linear series along the lateral line row 49-60; anal fin rays 26-30; dorsal fin rays 20-26; and body depth 20.1-32.8% of standard length (Ref. 75962). Electric organ discharge (EOD) with weak head-negative pre-potential in juveniles and females, sexual dimorphism in EOD waveform present in the 'summer' in the form of greatly increased EOD duration in sexually mature males of greater than about 12.5 cm standard length, but dimorphism not confirmed for specimens from Okavango (Ref. 75962).

生物學特性     字彙 (例如 epibenthic)


Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Kramer, B., P. Skelton, H. van der Bank and M. Wink, 2007. Allopatric differentiation in the Marcusenius macrolepidotus species complex in southern and eastern Africa: the resurrection of M. pongolensis and M. angolensis, and the description of two new species (Mormyridae, Teleostei). J. Nat. Hist. 41(9-12):647-708. (Ref. 75962)

IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)

  無危 (LC) ; Date assessed: 10 February 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00577 - 0.02877), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.1   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (14 of 100).