分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 热带
South America: middle and upper rio Tocantins and its tributaries.
南美洲: 中央与上面的 rio Tocantins 与它的支流。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 12.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 49598)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 1; 背的软条 (总数) : 7; 臀棘: 1; 臀鳍软条: 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.
在颊上的细长齿的数字 30-60; 在头部与身体的腹面上缺乏深色的斑点; 头部的鳍与侧面与背部碟与身体有很多的深色点; 背鳍鳍条 I, 7; 上颌骨前的齿 17-29; 在眼的上面区域上缺乏小的深色斑点; 第一个臀鳍支鳍骨几乎暴露出来, 有时被皮肤盖着; 长的而且卷曲了被局限于上尾部的梗区域的雄性成鱼的齿; 眼间骨宽度 30.3-35.0% HL.(参考文献 49598)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 中央与上面的 rio Tocantins 与它的支流。
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献
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).
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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