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Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic; pH range: 6.0 - 7.0; dH range: 4 - 10; non-migratory. Tropical; 22°C - 25°C (Ref. 1672), preferred ?

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

Africa: endemic to the island of Zanzibar, eastern Tanzania.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.5 cm TL male/unsexed; (Ref. 27139); 6.3 cm TL (female)

Found in seasonal pools and streams (Ref. 3788). Used for biological control of mosquitoes. Quite popular with aquarists. One of the so called 'annual fishes' which has eggs that can withstand seasonal droughts (Ref. 1739). Bottom spawner, 3-4 months incubation. Difficult to maintain in an aquarium (Ref. 27139).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Thrives in seasonal rainwater pools. Spawns throughout the short breeding period until the pool dries up and all fish die except their drought-resistant eggs. Eggs go through a dry period of many weeks. When rain comes and pool fills, most of the eggs begin to develop and hatch within hours. Fry grow very fast. In only 6 to 8 weeks they are sexually mature and start breeding (Ref. 7062). In aquaria, males showed aggressive behavior toward each other. Females were being pushed down to the substratum by the males as a prelude to spawning.

Main reference Upload your references | References | Coordinator | Collaborators

Huber, J.H., 1996. Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p. (Ref. 27139)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: commercial

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
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References
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Aquaculture profile
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Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Gill area
Otoliths
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Summary page | Point data | Common names | Photos

Internet sources

Nothobranchius guentheri (Pfeffer, 1893)