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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 / intervalo de profundidade / distribution range
Ecologia
; Água doce pelágico(a,os,as). 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).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 11.4 cm SL macho/indeterminado; (Ref. 38306); 10.9 cm SL (female)
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 18 - 21; Espinhos anais: 0; Raios anais moles: 25 - 28.
Inhabits fast flowing, major, perennial river, bordered by dense, subtropical or tropical vegetation (Ref. 38306).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-1)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00684 - 0.03506), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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