Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); niassa: The species name is given in reference to the Niassa Reserve, where this species occurs; a noun in apposition (Ref. 91043).
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce pelágico; rango de profundidad 0 - 0 m (Ref. 91043). Tropical
Africa: seasonal pools and streams in Ruvuma River drainage, Mozambique (Ref. 91043).
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.9 cm SL macho / no sexado; (Ref. 91043)
Short description
Morfología | Morfometría
Espinas dorsales (total): 0; Radios blandos dorsales (total): 15-18; Espinas anales 0; Radios blandos anales: 15 - 17; Vértebra: 32. Diagnosis: Nothobranchius niassa belongs to the subgenus Adiniops, which has a preopercular red pattern, wide chevrons on side and a deep red caudal fin without any dark margin in males (Ref. 91043). It is distinguished from all other species of this subgenus by the unique combination of the following characters in males: dorsal fin rays 15-18, anal fin rays 15-17, light blue iris, light blue dorsal and anal fins with curved red stripes, and red pectoral fin (Ref. 91043).
Found in pools of seasonal streams, less than 50cm deep, with no vegetation, and with leaf litter and gravel as bottom substrate; on type locality the water was light clay gray, slightly turbid with low conductivity (Ref. 91043).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Valdesalici, S., R. Bills, A. Dorn, K. Reichwald and A. Cellerino, 2012. Nothobranchius niassa (Cyprinodontiformes: Nothobranchiidae), a new species of annual killifish from northern Mozambique. Ichthyol. Explor. Freshwat. 23(1):19-28. (Ref. 91043)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías:
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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).
Nivel trófico (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).