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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).
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Tropical
Africa: only known from the Pama River, a small tributary of the Nyong River in Cameroon (Ref. 93722).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.0 cm SL con đực/không giới tính; (Ref. 93722)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các tia vây lưng cứng (tổng cộng) : 0; Các vây lưng mềm (tổng cộng) : 10 - 13; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 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).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
