分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Beloniformes (Needle fishes)
頜針魚目 (Needle fishes) >
Belonidae (Needlefishes)
頜針魚科 (Needlefishes)
Etymology: Potamorrhaphis: Greek, potamos = river + Greek, rhaphis = needle (Ref. 45335).
Eponymy: Dr James Arthur Peters (1922–1972) was a zoologist who specialised in Ecuadorean herpetofauna. [...] (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 大洋性; 深度上下限 0 - ? m. 熱帶
South America: upper Orinoco and Negro River basins.
南美洲: 奧里諾科河河流域上游與尼格羅河。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 24.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 40653)
背棘 (总数) : 0; 背的软条 (总数) : 37 - 43; 臀棘: 0; 臀鳍软条: 32 - 39; 脊椎骨: 77 - 85. Most similar to P. guianensis from which it differs most markedly in higher numbers of dorsal and anal fin rays, vertebrae, and predorsal scales. Predorsal scales 109-143, mean 130.5.
非常类似 P. guianensis 从它在较多的背鳍棘条与臀鳍棘条，脊椎骨与前背的鳞片中不同得最显着。 前背的鳞片 109-143, 意谓 130.5.
Oviparous (Ref. 205). Eggs may be found attached to objects in the water by tendrils on the egg's surface (Ref. 205).
卵生的.(参考文献 205) 卵可能被发现于在卵的表面上的卷须水依附于目标。 (参考文献 205)
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: 奧里諾科河河流域上游與尼格羅河。
Collette, B.B., 1982. South American freshwater needlefishes of the genus Potamorrhaphis (Beloniformes: Belonidae). Proc. Biol. Soc. Wash. 95(4):714-747. (Ref. 10994)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
工具
特别资料
下载 XML
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00126 (0.00057 - 0.00279), b=3.11 (2.93 - 3.29), 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): 3.9 ±0.6 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (20 of 100).
🛈
