分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Parodontidae (Scrapetooths)
Etymology: Apareiodon: Greek, a = without + Greek, pareia, -as = cheek + Greek, odous = teeth (Ref. 45335).
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性. 熱帶
South America: Upper Paraná and upper São Francisco River basins.
南美洲: Parana 上游與 Sao 弗朗西斯科河流域上游。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 11.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 27925)
Inhabits rivers and streams with rocky and sandy bottom, with water flow up to 40 cm/sec. Forages during the day, grazing on algae and preying on bottom-dwelling invertebrates. Uses its well developed pectoral fins to grip the substrate while grazing. Engages in a succession of lunges at the algal growth on rocky bottom, the mobile pedicellate upper teeth likely favoring this grazing mode. Particles thus caught are sorted out in the mouth and then either ingested or spat out. Food is often visually located and picked up. At night, fish congregates in the shallows and in fast-flowing water packs closely among the rocks. Juveniles bear a plain silvery color pattern, gradually replaced by the barred pattern of the adults (Ref. 40391).
栖息于河川与溪流有岩石的,而且沙质底部, 水流大于 40 公分/秒觅食在白天期间, 啃食吃藻类而且捕食底栖无脊椎动物。 使用它的发展良好的胸鳍抓紧底部然而啃食。 在岩石的底部上的海藻成长从事刺的连续,移动的 pedicellate 上颚齿可能有利于这一个啃食模态。 如此捕捉的粒子在嘴巴中的被分类然后或摄取了或者轻打出。 食物时常视觉上位于了而且逐渐恢复。 在晚上,鱼在岩石之中在浅滩与快速流动的水包裹中聚集接近地。 稚鱼有一个单色的银色彩色斑纹, 逐渐地被成鱼的条纹花纹取代。 (参考文献 40391)
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: Parana 上游與 Sao 弗朗西斯科河流域上游。
Oyakawa, O.T., 1998. Catalogo dos tipos de peixes recentes do Museu de Zoologia da USP. I. Characiformes (Teleostei: Ostariophysi). Pap. Avuls. Zool. 39(23):443-507. (Ref. 27925)
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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特别资料
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00813 (0.00446 - 0.01481), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
营养阶层 (参考文献 69278) |
2.3 ±0.14 se; based on food items. |
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) |
Moderate vulnerability (36 of 100). 🛈 |