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Teleostei (teleosts) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic; pH range: 6.9 - 7.5; non-migratory. Tropical; 25°C - 29°C (Ref. 41296); 6°S - 9°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: Ruvu and Rufiji systems in Tanzania (Ref. 41296, 59344, 74420).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.3 cm SL male/unsexed; (Ref. 41296)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 17; Anal spines: 0; Anal soft rays: 15 - 16. Can be distinguished from congeners by the pattern in the caudal fin. Males also show an irregular red blotch on the operculum.

Found in small, temporary, weedy pools (Ref. 41296).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Annual fishes.

Main reference Upload your references | References | Coordinator | Collaborators

Watters, B.R., R.H. Wildekamp and B.J. Cooper, 1998. Zwei neue Nothobranchius- Arten aus der Küstenebene Tansanias. DKG-J. 30(3):52-63. (Ref. 41296)

IUCN Red List Status (Ref. 130435)

Near Threatened (NT) (B1ab(iii)+2ab(iii)); Date assessed: 20 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: potential

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
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Food consumptions
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Predators

Ecology
Ecology

Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
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Fecundities
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Egg(s)
Egg developments
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Distribution
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Anatomy
Gill areas
Brains
Otoliths

Physiology
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Nutrients
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Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genetics
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Human related
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Stamps, coins, misc.

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References
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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01096 (0.00449 - 0.02680), b=2.92 (2.71 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Nothobranchius annectens Watters, Wildekamp & Cooper, 1998