Congo (Brazzaville) country information

Common names: [No common name]
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Successfully introduced for snail control.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lever, C., 1996
National Database:

Common names from other countries

Alluaudi-Buntbarsch, 奥氏溪丽鲷, Ifuro, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Astatoreochromis: Greek, astato = unstable + Greek, rheos = stream + Greek, chromis = a marine fish without identification, dealing with perch; cited by Plinius (Ref. 45335); alluaudi: Named after Charles A. Alluaud, who collected the type specimens (Ref. 126033).
More on author: Pellegrin.

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

; zoet water benthopelagisch; pH range: 7.5 - 8.5; dH range: 15 - ?; diepte ? - 20 m (Ref. 126033). Tropical; 24°C - 28°C (Ref. 2059); 2°N - 4°S

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Africa: lakes Edward, George, Kyoga, Victoria, Nakavali and Kachira, and the rivers and streams associated with these lakes, including the Semliki (Ref. 5602, 126033, 126038). It has been introduced into many areas of East Africa for biological mollusc control and now has a widespread distribution within the Victoria basin in Kenya, Uganda and Tanzania, including the upper Akagera basin in the Bugesera Depression in Burundi and Rwanda (Ref. 126033). Also introduced in Benue River basin in northern Cameroon (Ref. 126033). However, there are no reports that its introduction in Congo Republic, Democratic Republic of Congo, Republic of Central Africa and Zambia has succeeded (Ref. 126033).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 19.0 cm SL mannelijk / geslacht onbekend; (Ref. 4967)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 16 - 20; Dorsale zachte stralen (totaal): 6-9; Anale stekels 4-7; Anale zachte stralen: 6 - 9. Diagnosis: Astatoreochromis alluaudi can be distinguished from A. straeleni by the possession of 4-7 anal spines vs. 3-4, and 17-19 dorsal spines, rarely 16 or 20, vs. 16-18, exceptionally 19 (Ref. 126033).

Astatoreochromis alluaudi is not confined to a particular type of substrate and is ubiquitous in all areas where the water is less than 20 m deep; it also occurs in papyrus swamps (Ref. 5602, 126033). It feeds mainly on molluscs (Ref. 126033), but it might be an omnivorous species that switches to the most abundant food source in its environment (Ref. 6770, 126033). Used for snail control (Ref.4967).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

This species is a mouth-brooder (Ref. 126033). Though its breeding period is not well documented, the species may reproduce at the end of the short rain season from November to December (Ref. 126033).

Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

van Oijen, M.J.P. and J. Snoeks, 1991. Astatoreochromis. p. 9-10. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Checklist of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5602)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 17 February 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Aquarium: Commercieel

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.6 ±0.50 se; based on food items.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (tm<1; multiple spawning per year).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

Astatoreochromis alluaudi Pellegrin, 1904