Actinopterygii (ray-finned fishes) >
Perciformes (Perch-likes) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Sargochromis: Greek, sargos = sargus + see under Chromis.
Environment / Climate / Range
Ecology
Freshwater; benthopelagic. Tropical, preferred ?; 11°N - 21°S
Africa: Cunene River system, Okavango River, upper and middle Zambezi River, Kafue River (Angola, Namibia, Botswana, Zambia and Zimbabwe).
Length at first maturity / Size / Weight / Age
Maturity: Lm 23.8, range 23 - 25 cm
Max length : 48.0 cm TL male/unsexed; (Ref. 7248); max. published weight: 2.9 kg (Ref. 5693); max. reported age: 7 years (Ref. 7248)
Prefers deep main river channels and floodplain lagoons with sandy bottoms. Feeds primarily on snails, bivalves and insect larvae. A female mouthbrooder, breeds in early summer.
A mouth brooding species. A female of 31 cm caught in a seine net carried 674 fry in her mouth.
Skelton, P.H. and G.G. Teugels, 1991. Serranochromis. p. 442-453. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5693)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: commercial; gamefish: yes
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00729 - 0.03291), b=3.04 (2.86 - 3.22), based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic Level (Ref.
69278): 3.5 ±0.52 se; Based on food items.
Resilience (Ref.
69278): Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-3; tmax=6.5; Fec=300).
Prior r = 0.65, 2 SD range = 0.3 - 1.40, log(r) = -0.43, SD log(r) = 0.39, Based on: 1 K, 4 tgen, 1 tmax, 2 Fec records
Vulnerability (Ref.
59153): Low vulnerability (25 of 100) .
