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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.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. 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).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.4 cm SL male/unsexed; (Ref. 38306); 10.9 cm SL (female)
Inhabits fast flowing, major, perennial river, bordered by dense, subtropical or tropical vegetation (Ref. 38306).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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