分類 / 名前
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Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Gladioglanis: Latin, gladius = sword + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); anacanthus: Derived from the Latin 'an', meaning absence, and 'canthus', meaning spine, in reference to the absence of its dorsal-fin spine.
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; 深さの範囲 0 - ? m (Ref. 79081). Tropical
South America: known only from the type locality, Lago do Mamão, rio Aripuanã basin in Amazonas, Brazil.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 2.6 cm SL オス/雌雄の選別がない; (Ref. 79081)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 6; 臀鰭: 22 - 25. Differs from all other species of the genus Gladioglanis by the following characters: absence of dorsal-fin spine and spinelet absent; first dorsal-fin ray (homologous to spine) flexible, unbranched, followed by five branched dorsal-fin rays; pectoral-fin spine 5.8-6.1% of SL; pectoral spine with 5 dentations on anterior side and 4 on posterior; anal fin with 22-25 rays; round profile of the head in dorsal view; first pterygiophore of dorsal fin in contact with neural spine of eighth vertebra; both caudal-fin lobes with 13 rays; and total vertebrae 60 (Ref. 79081).
Body shape (shape guide): elongated.
Found in flooded forest on the border of the lake, in a shallow (up to 0.5 m) marginal area on a deep mat of leaf litter as substrate. Also collected on leaf litter along the shore of the lake (Ref. 79081).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Rocha, M.S., R.R. de Oliveira and L.H. Rapp Py-Daniel, 2008. A new species of Gladioglanis Ferraris & Mago-Leccia from rio Aripuaña, Amazonas, Brazil (Siluriformes: Heptapteridae). Neotrop. Ichthyol. 6(3):433-438. (Ref. 79081)
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): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00379 - 0.01743), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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