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) >
Rhamphichthyidae (Sand knifefishes)
刀魚科 (Sand knifefishes)
Etymology: Rhamphichthys: Greek, rhamphos = bill, peak + Greek, ichthys = fish (Ref. 45335); atlanticus: atlanticus to indicate that the Pindaré-Mearim river system delivers directly to the Atlantic Ocean, not to other larger 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 type locality, Viana Lake, Pindaré-Mearim river system in Brazil.
南美洲: 已知只來自模式標本產地， Viana 湖， Pindare-Mearim 的河流域，文學碩士巴西了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 67.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 35403)
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) : 0. Anal fin uniform light brown, not hyaline, without dark bars or lines or any other kinds of marks on it. Membranous, wide swim-bladder, with visceral organs overlapping it laterally in part or completely. No caudal fin (Ref. 35403).
臀鰭均勻的淡褐色, 不是透明, 在它上沒有深色的橫帶或線或任何其他類型的標誌。 膜狀又寬的泳鰾, 與內臟的器官部分重疊的它側面地部份地或完全地。 沒有尾鰭.(參考文獻 35403)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 已知只來自模式標本產地， Viana 湖， Pindare-Mearim 的河流域，文學碩士巴西了。
Triques, M.L., 1999. Three new species of Rhamphichthys Müller et Troschel, 1846 (Ostariophysi: Gymnnotiformes: Rhamphichthyidae). Rev. Fr. Aquariol. 26(1-2):1-6. (Ref. 35403)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00101 - 0.00685), b=3.05 (2.82 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (53 of 100).
