分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Ancistomus: Greek, agkale, agkalos = hook, something curved + Greek, stoma = mouth.
Taxonomic Remarks
In Ambruster et al., 2015 (Ref. 99824), no characteristics were found to separate Ancistomus spinosissimus from A. micrommatos and A. spiloma, and these may represent the same species.
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. Tropical
South America: middle and upper rio Tocantins and its tributaries.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 12.7 cm SL オス/雌雄の選別がない; (Ref. 49598)
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; 肛門の骨: 1; 臀鰭: 4. Number of elongate odontodes on cheek 30-60; absence of dark spots on the ventral surface of head and body; fins and lateral and dorsal plates of head and body with numerous dark dots; dorsal-fin rays I, 7; premaxillary teeth 17-29; absence of small dark spots on upper region of eye; first anal-fin pterygiophore barely exposed, sometimes covered by skin; long and curled odontodes of adult males confined to the upper caudal peduncle region; interorbital width 30.3-35.0% HL (Ref. 49598).
Body shape (shape guide): elongated.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Cardoso, A.R. and P.H.F. Lucinda, 2003. Three new species of Hemiancistrus (Teleostei: Siluriformes: Loricariidae) from the rio Tocantins basin with comments on the genus. Ichthyol. Explor. Freshwat. 14(1):73-84. (Ref. 49598)
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 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00726 - 0.03306), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (参照
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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