分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Diapoma: Greek, dis, dia = through + Greek, poma = cover (Ref. 45335); nandi: Name from a word derived from the Guaraní language, which means inconsequential; referring to its lack of remarkable external characteristics.
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 Armerica: Argentina.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 5.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 119400); 5.3 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 7 - 8. This species is distinguished by the followinf characters: a terminal mouth; dorsal fin with two unbranched and eight branched rays'; pelvic fine with one unbranched and six branched rays; no caudal-fin organ; differs from its congeners by having unmodified scales on the lower caudal-fin lobe, lack of enlarged opercle and subopercle, incomplete lateral line, hyaline adipose fin, anal-fin distal border straight or slightly convex in adult males, large tricuspid teeth on anterior region of the dentary, distal arrangements of the anal-fin bony hooks in adult males and middle caudal-fin rays lacking a large round blotch (Ref. 119400).
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
Vanegas-Ríos, J.A., M.d.l.M. Azpelicueta and L.R. Malabarba, 2018. A new species of Diapoma (Characiformes, Characidae, Stevardiinae) from the Rio Paraná basin, with an identification key to the species of the genus. J Fish Biol. 93:830-841. (Ref. 119400)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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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): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00660 - 0.03634), b=3.00 (2.79 - 3.21), 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): 2.7 ±0.3 se; based on size and trophs of closest relatives
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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