>
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.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce pelágico. Subtropical
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).
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 11.4 cm SL macho / no sexado; (Ref. 38306); 10.9 cm SL (female)
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 18 - 21; Espinas anales: 0; Radios blandos anales: 25 - 28.
Inhabits fast flowing, major, perennial river, bordered by dense, subtropical or tropical vegetation (Ref. 38306).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Nivel trófico (Referencia 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.). |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |