分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Petrocephalus: Latin, petra = stone + Greek, kephale = head (Ref. 45335); wesselsi: Named for Pierre Wesselsi.
Eponymy: Pierre Wessels of Johannesburg, South Africa, participated in the authors’ expedition to Caprivi (Namibia) and was described by them as a “…nature conservationist and good friend.” (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. 亞熱帶的
Africa: Incomati River system (Sabie River forms a part of it), the Blyde and Letaba rivers that both drain into the Limpopo river system (a major independent system), and in the Pongola River (Natal) (Ref. 38306, 52193).
非洲: 兩者流入凌波波河 (一個主要的獨立系統) 的 Incomati 河流域 (Sabie 河形成一個它的部份), Blyde 與 Letaba 河, 與在 Pongola 河 (納塔爾) 中.(納塔爾)
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 11.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 38306); 10.9 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 18 - 21; 臀棘: 0; 臀鳍软条: 25 - 28.
Inhabits fast flowing, major, perennial river, bordered by dense, subtropical or tropical vegetation (Ref. 38306).
栖息于快速地流动, 终年不断的河川主流, 与密集的,亚热带的或热带的植物接壤了。 (参考文献 38306)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
非洲: 兩者流入凌波波河 (一個主要的獨立系統) 的 Incomati 河流域 (Sabie 河形成一個它的部份), Blyde 與 Letaba 河, 與在 Pongola 河 (納塔爾) 中.(納塔爾)
Kramer, B. and F.H. van der Bank, 2000. The southern churchill, Petrocephalus wesselsi, a new species of mormyrid from South Africa defined by electric organ discharges, genetics, and morphology. Environ. Biol. Fishes 59(4):393-413. (Ref. 38306)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01549 (0.00678 - 0.03537), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.2 ±0.4 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 (14 of 100). 🛈 |