分类 / Names
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.
Issue
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.
Environment: milieu / climate zone / depth range / distribution range
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
Maturity: 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).
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)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
