分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchorhynchus: Greek, sternon = sternon, + Greek, archos = anus + Greek, rhyngchos = snout (Ref. 45335); axelrodi: Named for Dr Herbert Axelrod.
Eponymy: Dr Herbert Richard Axelrod (1927–2017) was an expert on tropical fishes, an entrepreneur and a publisher of pet books. [...] (Ref. 128868), visit book page.
More on authors: de & SantanaVari.
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.
South America: Brazil, Amazon Basin, Rio Tocantins (upper and lower portions of that river system).
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 60.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 84053)
简单描述
检索表 | 型态特徵 | 形态测量图
This species is distinguished from its congeners by the following set of characters: a short gape that terminates posteriorly at, or slightly short of, the vertical through the anterior nares; no scales along the mid-dorsal region of the body as far posteriorly as the origin of the electroreceptive filament; anal-fin rays 200-217 (Ref. 84053).
Body shape (shape guide): elongated.
Inhabits clear water system with the bottom formed by small stones and rocks. Feeds on insects and other aquatic invertebrates (Ref. 84053).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
de Santana, C. D. and R.P. Vari, 2010. Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies. Zool. J. Linn. Soc. 159:223-371. (Ref. 84053)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
临近濒危 (NT) (B1b(iii)); Date assessed: 18 May 2022
人类利用
工具
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=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), 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 ±0.3 se; based on size and trophs of closest relatives |
渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |