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Nothobranchius rosenstocki  Valdesalici & Wildekamp, 2005

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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335);  rosenstocki: Named for John Rosenstock of Hellerup, Denmark, who collected this new species.

Miljö / Klimat / Range Ekologi

; sötvatten pelagiska.   Tropical, preferred ?

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Africa: Luapula River system (upper Congo River basin) in Zambia (Ref. 53985).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL hane/ej könsbestämd; (Ref. 53985); 3.9 cm TL (female)

Short description Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt): 15-17; Mjukstrålar i analfenan: 16 - 17. Diagnosis: This species is distinguished from its congeners by the following combination of unique characters: 15-17 dorsal fin rays; 16-17 anal fin rays; male coloration with irregular red reticulation contrasting with light blue background color on the entire body. The frontal and superior portion of the head red; anal fin with a red distal part. The caudal fin base is red spotted, with distal part transparent light blue. The anterior part of base of dorsal fin has distinct black spots and hardly visible papillae. Sides of female are not marked like the males, but with narrow brown scale margins (Ref. 53985).

Biologi     Ordlista (t.ex. epibenthic)

Populations of this species have been found scattered over a large area in the Luapula River basin; specimens have been found mainly in shallow and vegetated parts of small, slow-flowing rivers which empty into swamps; the species was also collected from so-called "dembos" or water-filled depressions; all habitats were temporary and only filled with water during the wet season and for a short period afterwards, the bottom substrate of which were usually silt or clay with a high humus content (Ref. 53985).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Distinct pairing (Ref. 205).

Main reference Upload your references | referenser | Koordinator | Medarbetare

Valdesalici, S. and R.H. Wildekamp, 2005. A new species of the genus Nothobranchius (Cyprinodontiformes, Nothobranchiidae) from Luapula River basin, Zambia. Aqua J. Ichthyol. Aquat. Biol. 9(3):89-96. (Ref. 53985)

IUCN Red List Status (Ref. 115185)

  Endangered (EN) (B1ab(iii)+2ab(iii))

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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