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) > Hypoptopomatinae
Etymology: Parotocinclus: Greek, para in the side of + greek, ous, otis = ear + Greek, kygklos, ou = a fish (Ref. 45335).
Eponymy: Dr Heraldo Antonio Britski is a Brazilian ichthyologist who was awarded a bachelor’s degree (1960) and a doctorate (1973) by Universidade de São Paulo where he is still a researcher, even though he is officially retired. [...] (Ref. 128868), visit book page.
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. 熱帶; 22°C - 27°C (Ref. 13614)
South America: Orinoco River basin and Atlantic coastal drainages of the Guianas.
南美洲: 奧里諾科河河流域與圭亞那的大西洋海岸流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 6.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 36885)
Can be distinguished from its congeners by the following combination of characters: 21-31 premaxillary and mandibular teeth, typically 24-25; dorsal profile of snout broad and moderately parabolic, not acutely pointed; head width 75-98% of head length, 18-22% of SL median group of abdominal plates irregularly arranged; pigment on pectoral-fin spine arranged in 5 blotches; two blotches on the unbranched anal ray, single band on the branched anal rays (Ref. 26706).
Body shape (shape guide): elongated.
Facultative air-breathing in the genus (Ref. 126274)
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: 奧里諾科河河流域與圭亞那的大西洋海岸流域。
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
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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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=0.00977 (0.00436 - 0.02192), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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渔业脆弱性 (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |