分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Mormyrus: Greek, mormyros = a fish (Sparus sp) (Ref. 45335).
Eponymy: Dr Francisco José Maria de Lacerda (1753–1798) was a Portuguese explorer born in São Paulo, Brazil. [...] (Ref. 128868), visit book page.
More on author: Castelnau.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 居于水底的. 熱帶; 11°S - 21°S
Africa: Cunene (Ref. 13337, 52193, 120641), Cuvelai (Ref. 120641), Okavango, (upper) Zambezi (Ref. 52193, 120641) and Kafue systems (Ref. 52193).
非洲: 尚比西河上游， Kafue 與奧塔萬戈河。 也發現於庫內內河了。 (參考文獻 13337)
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 52193); 最大体重: 2.0 kg (Ref. 52193)
背棘 (总数) : 0; 背的软条 (总数) : 62 - 68; 臀棘: 0; 臀鳍软条: 18 - 21. Diagnosis: dorsal fin greater than twice length of anal fin; dorsal origin nearer tip of snout than caudal fin base; snout 3-3.2 times in head length; caudal peduncle more than 4 times in standard length (Ref. 52193).
Body shape (shape guide): fusiform / normal.
背鳍长的与延长的吻具有一个端位口。
Prefers quiet stretches of river channels, deep pools and floodplain lagoons with aquatic vegetation; may form small shoals; feeds mainly on insect larvae, shrimps, small snails and small fish (Ref. 52193). Known to move up tributaries when they come down in spate and may breed in newly inundated areas (Ref. 13337). Spawns during the rainy season; females carry up to 7,000 eggs; caught by subsistence fishermen and anglers (Ref. 7248, 52193).
偏爱河峡道中安静的支流，深水池与有水生植物生长的洪泛区泻湖。 可能形成小的浅滩。 主要吃昆虫幼生，虾，小的蜗牛与小鱼。 已知向上游支流迁移他们何时在泛滥中下来而且可能在最近浸水的区域中繁殖.(参考文献 13337) 产卵于雨季; 母鱼抱卵向上到 7,000个卵。 被渔民与垂钓者捕获了。 (参考文献 7248)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 尚比西河上游， Kafue 與奧塔萬戈河。 也發現於庫內內河了。 (參考文獻 13337)
Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业: 商业性; 游钓鱼种: 是的
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特别资料
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00565 - 0.02129), b=2.84 (2.68 - 3.00), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 3.7 ±0.61 se; based on food items.
Generation time: 1.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (K=0.8).
Fishing Vulnerability (Ref.
59153): Low vulnerability (23 of 100).
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