分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes)
電鰻目 (Knifefishes) >
Apteronotidae (Ghost knifefishes)
無背魚科 (Ghost knifefishes) > Apteronotinae
Etymology: Megadontognathus: Greek, megas, megalos = great + Greek, odous = teeth + Greek, gnathos = jaw (Ref. 45335); kaitukaensis: Named for its type locality, Cachoeiras de Kaituká (=Caitucá), Rio Xingu drainage.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Known only from the Rio Xingu, Pará, Brazil.
南美洲: 已知只來自 Rio Xingu ，帕拉巴西了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 16.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 33371)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 已知只來自 Rio Xingu ，帕拉巴西了。
Campos-da-Paz, R., 1999. New species of Megadontognathus from the Amazon Basin, with phylogenetic and taxonomic discussions on the genus (Gymnotiformes: Apteronotidae). Copeia 1999(4):1041-1049. (Ref. 33371)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
