Characidium jivaro Zanata, Britzke, Meza-Vargas, Hidalgo, Faustino-Fuster & Oliveira-Silva, 2025
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Characiformes (Characins) > Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); jivaro: Name 'jivaro' in honor of the Jívaro indigenous people, the inhabitants of the type locality. A noun in apposition.
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); jivaro: Name 'jivaro' in honor of the Jívaro indigenous people, the inhabitants of the type locality. A noun in apposition.
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: Peru.
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) : 9; 臀鳍软条: 6; 脊椎骨: 33 - 35. This species is distinguished from its congeners by the following set of characters: black longitudinal band that extends along the total length of the paired fins, from the base to tip of the third unbranched and first branched rays on pectorals and first two branched rays on the pelvic fins; bony processes along length of the pectoral-fin rays, dorsally positioned, on mature and immature females and males; teeth on the premaxilla and dentary strongly tricuspid, with three well developed and similar sized cusps; completely perforated lateral-line scales; lack of a conspicuous dark narrow stripe extending from rear of opercle to end of caudal peduncle; lack of 13 or more thin conspicuous black bars from dorsum to ventral portion of body; lack of dark blotches on opercle and preopercle; remnants of bars in maturing and matures specimens slightly concave anteriorly; four series of scales above the lateral line and three or four from the lateral line to the pelvic-fin insertion; and lack of dark spots on the caudal fin (Ref. 138327).
Body shape (shape guide): elongated; Cross section: oval.
Body shape (shape guide): elongated; Cross section: oval.
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
Zanata, A.M., R. Britzke, V. Meza-Vargas, M.H. Hidalgo, D. Faustino-Fuster and L. Oliveira-Silva, 2025. A remarkable new Characidium (Characiformes: Crenuchidae) from tributaries of río Marañón, Loreto, Peru, with unique fin bony processes in both sexes. Neotrop. Ichthyol. 23(3):e250047. (Ref. 138327)
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
食物消耗量
口粮
捕食者
食物（猎物）
食性组成
食物消耗量
口粮
捕食者
生态学
生态学
生态学
人口动态
成长参数
最大年龄/尺寸
长度-重量关系
长短关系
体长-频率
质量转换
入添量
丰度
成长参数
最大年龄/尺寸
长度-重量关系
长短关系
体长-频率
质量转换
入添量
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解剖学
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耳石
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大脑
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生理学
身体成分
营养素
耗氧量
游泳类型
游泳速度
视觉色素
鱼声
疾病与寄生虫
毒性（半数致死浓度）
身体成分
营养素
耗氧量
游泳类型
游泳速度
视觉色素
鱼声
疾病与寄生虫
毒性（半数致死浓度）
遗传学
基因组
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异质性
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基因多样性
基因组
遗传学
异质性
遗传率
基因多样性
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特别资料
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网络资源
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: 属, 种 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | Zoobank | 动物学的记录
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=0.01023 (0.00452 - 0.02316), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.3 ±0.3 se; based on size and trophs of closest relatives