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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Aphyosemion: Greek, aphye, -es, sardine, anchovy + Greek, semeion = mark, signal (Ref. 45335); pamaense: This species is named after the river and the nearby village Pama, the collection locality of the types (Ref. 93722).
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
; Água doce bentopelágico. Tropical
Africa: only known from the Pama River, a small tributary of the Nyong River in Cameroon (Ref. 93722).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 3.0 cm SL macho/indeterminado; (Ref. 93722)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais (total) : 10 - 13; Espinhos anais: 0; Raios anais : 12 - 15. Diagnosis: Aphyosemion pamaense belongs to the subgenus Chromaphyosemion as it is characterized by the presence of two dark lateral bands in both sexes, these bands may disappear in males depending on the mood of the fish; the caudal fin is shaped with pronounced dorsal and ventral streamers in males; streamers are also present in the dorsal and anal fins; the species is also characterized by 9-14 dorsal rays, and 11-16 anal rays (Ref. 93722). It differs from all other Chromaphyosemion species by the following combination of characters observed in males: orange background of the unpaired fins, anal without any spots, orange throat, purple to blue-grey flanks (Ref. 93722).
It inhabits a small stream in the forest, about 3 m wide and 0.4 m deep with a muddy or sandy bottom (Ref. 93722). Other cyprinodontiforms species found in syntopy are Epiplatys infrafasciatus, Aphyosemion edeanum, and Procatopus similis (Ref. 93722).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Agnèse, J.-F., O. Legros, B. Cazaux and G. Estivals, 2013. Aphyosemion pamaense, a new killifish species (Cyprinodontiformes: Nothobranchiidae) from Cameroon. Zootaxa 3670(4):516-530. (Ref. 93722)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00250 - 0.01453), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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