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Siluriformes (Catfishes) >
Pimelodidae (Long-whiskered catfishes)
Etymology: Megalonema: Greek, megas, megalos = great + Greek, nema = filament (Ref. 45335); amaxanthum: The specific name refers to the distribution of the species in the Amazon basin and its relationship to the species Megalonema xanthum.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical
South America: Amazon River basin, Brazil, Guyana, Peru, Bolivia and probably Colombia and Ecuador.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 24.1 cm SL オス/雌雄の選別がない; (Ref. 125983); 31.2 cm SL (female); 最大公表体重: 221.09 g (Ref. 125983); 最大公表体重: 221.09 g
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 1; 背鰭 (合計) : 7; 臀鰭: 12 - 16; 脊つい: 42 - 45. Total vertebrae including Weberian complex (Ref. 79495).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Lundberg, J.G. and W.M. Dahdul, 2008. Two new cis-Andean species of the South American catfish genus Megalonema allied to trans-Andean Megalonema xantum, with description of a new subgenus (Siluriformes: Pimelodidae). Neotrop. Ichthyol. 6(3):439-454. (Ref. 79495)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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