Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335).
Eponymy: Mrs Edith Korthaus (1923–1987) was a German aquarist and botanist who collected in Tanzania (1973) and in Kalimantan, Indonesia (1978). She was Editor-in-Chief of the magazine Das Aquarium (1972). (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 5.8 - 6.4; dH range: 4 - 6; non-migratory. Tropical; 23°C - 26°C (Ref. 1672); 7°S - 8°S
Africa: endemic to Mafia Islands, Tanzania (Ref. 83284).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL male/unsexed; (Ref. 27139)
Occurs in pools, swamps, ditches and small streams (Ref. 3788, 97277). Temporary pools and streams; distinctively more abundant in temporary pools; open savanna-like vegetation and gallery forest (Ref. 83284). Bottom spawner, 1-3 months incubation (Ref. 27139).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., 2009. Species delimitation among populations of the eastern Tanzanian seasonal killifish Nothobranchius korthausae (Cyprinodontiformes: Nothobranchiidae). Ichthyol. Explor. Freshwat. 20(2):111-126. (Ref. 83284)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Aquarium: commercial
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Internet sources
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=0.01122 (0.00472 - 0.02669), b=2.94 (2.74 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).