Phenacogaster nukak Romero-Figueroa & Carvalho, 2024
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Characiformes (Characins) > Characidae (Characins; tetras) > Characinae
Etymology: Phenacogaster: Greek, phenax, -akos = deceptive + Greek, gaster = stomach (Ref. 45335); nukak: Named after the environmental and cultural diversity of Nukak territory, on one side the great national reserve Nukak, whose main body of water is the Inírida River and one of the largest protected areas in Colombia (Camacho Peña, 2022), on the other side the resistance of the Nukak Maku people, for their fight against physical and cultural extinction, being a reminder of the territory and biodiversity that belongs to them.
Etymology: Phenacogaster: Greek, phenax, -akos = deceptive + Greek, gaster = stomach (Ref. 45335); nukak: Named after the environmental and cultural diversity of Nukak territory, on one side the great national reserve Nukak, whose main body of water is the Inírida River and one of the largest protected areas in Colombia (Camacho Peña, 2022), on the other side the resistance of the Nukak Maku people, for their fight against physical and cultural extinction, being a reminder of the territory and biodiversity that belongs to them.
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.
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Colombia.
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 8 - 9; 臀鳍软条: 32 - 34; 脊椎骨: 36. This species is distinguished from its congeners by the following characters: an incomplete lateral line; position of the humeral spot near the anterior origin of the base of the dorsal fin between the fifth and eighth ribs counted from the posterior limit of the pseudotympanum; differs from P. tegatus by a longer caudal peduncle 7.1-11.0% SL, 9.1% on average (vs. 4.7-7.8% SL, 6.0% on average), shorter maxillary length 19.0-33.6% HL, 29.6% on average (vs. 33.8-43.2% HL, 38.1% on average), and larger orbit diameter 32.2-43.8% HL, 38.3% on average (vs. 22.9-26.5% HL, 24.5% on average); differs from P. yari by the higher number of perforated scales in the lateral line 8-11 (vs. 6-7), circumpeduncular scales 11-12 (vs. 10), anal-fin rays 32-34 (vs. 29-32), pectoral-fin rays 12-14 (vs. 10-11); no bony hooks on the pelvic-fin rays on males; presence of hooks on pectoral-fin rays of males; caudal vertebrae 22 (Ref. 132565).
Cross section: compressed.
Cross section: compressed.
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Romero-Figueroa, A. and T.P. Carvalho, 2024. Four new species of Phenacogaster (Characiformes: Characidae) and a review of its diversity in Colombia. Ichthyol. Herpetol. 112(4):619-644. (Ref. 132565)
CITES
Not Evaluated
对人类的威胁
人类利用
渔业: 没有兴趣
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营养生态学
食物（猎物）
食性组成
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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].
Bayesian length-weight: a=0.01380 (0.00627 - 0.03041), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives