分類 / 名前
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Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchella: Greek, sternon = sternon, + Greek, diminutive, archos = anus (Ref. 45335).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 2 - 4 m (Ref. 126780). Tropical
South America.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 40.4 cm TL オス/雌雄の選別がない; (Ref. 126780)
簡単な記述
検索表 | 形態学 | 形態計測学
This species is distinguished from its all congeners by the following set of characters: head wide, HW 46-64% HL (vs. 36-45% HL): interorbital distance large, IO 18-27% HL and body depth greater than or equal to HL (vs.11-22% HL and body depth less than HL, respectively in calhamazon. duccis, orinoco, orthos, patriciae, raptor, schotti) (shared with sima); with an ossified third basibranchial bone (vs. unossified) (shared with schotti) and anal-fin pterygiophores that are longer than hemal spines (vs. short anal-fin pterygiophores in duccis, orinoco, orthos, patriciae, raptor) (shared with calhamazon, patriciae, S. schotti) (Ref. 126780).
Cross section: compressed.
Occurs over substrate comprised of mud and organic debris. Stomachs examined contained unidentified fish scales, skin and fine bones and aquatic arthropods were absent. Caught with seine nets deployed from the middle of the paraná channel to the edge (Ref. 126780).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Evans, K.M., W.G.R. Crampton and J.S. Albert, 2017. Taxonomic revision of the deep channel electric fish genus Sternarchella (Teleostei: Gymnotiformes: Apteronotidae), with descriptions of two new species. Neotrop. Ichthyol. 15(2):1-30. (Ref. 126780)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |