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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); straeleni: Named in honour of Prof. V. Van Straelen, Director of the Musée du Congo Belge, Tervuren, Belgium from 1926 to 1954 (Ref. 126033).
Eponymy: Professor Victor Émile van Straelen (1889–1964) was a Belgian geologist, palaeontologist, carcinologist and naturalist. [...] (Ref. 128868), visit book page.
More on author: Poll.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical; 24°C - 28°C (Ref. 2059); 3°S - 8°S
Africa: Rusizi, Lukuga and Malagarazi basins and Luiche River, a small affluent of Lake Tanganyika (Ref. 5602, 126033); apparently also enters Lake Tanganyika (Ref. 126033).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.0 cm SL hane/ej könsbestämd; (Ref. 4967)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 16 - 19; Mjukstrålar i ryggfenan (totalt) : 8 - 10; Taggstrålar i analfenan: 3 - 4; Mjukstrålar i analfenan: 8 - 10. Diagnosis: Astatoreochromis straeleni can be distinguished from A. alluaudi by the possession of 3-4 anal spines vs. 4-7; 16-18, exceptionally 19, dorsal spines vs. 17-19 dorsal spines, rarely 16 or 20 (Ref. 126033).
Body shape (shape guide): fusiform / normal; Cross section: oval.
Aastatoreochromis straeleni is primarily a riverine species, prefering clear water and caught in swampy flooded areas and marginal vegetation with a high water transparency (Ref. 126033). In Lake Tanganyika, it is found only at the mouths of rivers and in their associated swamps (Ref. 6770). Omnivorous, swamp-dweller (Ref. 6770), reported to feed mainly on snails, ostracods and insects (Ref. 126033). This species is a mouth-brooder (Ref. 126033).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
This species is a mouth-brooder (Ref. 126033). Nothing has been reported about its breeding period, but most probably it reproduces at the start of the short dry season from December to January (Ref. 126033).
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse; Akvarium: Kommersiell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming Fec<1000). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (19 of 100). 🛈 |