Tilapia rendalli  (Boulenger, 1897)

Redbreast tilapia
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Tilapia rendalli
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tilapia: Bechuana, African native thiape = fish (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; brackish; benthopelagic; depth range 3 - 8 m (Ref. 58302).   Tropical; 24°C - 28°C (Ref. 2059); 20°N - 20°S

Length at first maturity / Size / Weight / Age

Maturity: Lm 17.7  range ? - ? cm
Max length : 45.0 cm TL male/unsexed; (Ref. 26550); max. published weight: 2.5 kg (Ref. 26550); max. reported age: 7 years (Ref. 7248)

Short description Morphology | Morphometrics

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 10-13; Anal spines: 3; Anal soft rays: 9 - 10; Vertebrae: 29. Head and body mid to dark olive-green dorsally, paling over the flanks. Body usually with vertical bars only and scales with a dark basal crescent. Dorsal fin olive-green with a thin red margin and white to grey dark oblique spots on the soft rays; caudal fin spotted on dorsal half and red or yellow on ventral half (Ref. 4967, 34290).

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

Africa: Kasai drainage (middle Congo River basin), throughout upper Congo River drainage, Lake Tanganyika, Lake Malawi, Zambesi, coastal areas from Zambesi Delta to Natal, Okavango and Cunene (Ref. 5163). Also in the Limpopo (Ref. 55074). Introduced elsewhere usually for weed control and aquaculture. Several countries report adverse ecological impact after introduction.

Biology     Glossary (e.g. epibenthic)

Prefer quiet, well-vegetated water along river littorals or backwaters, floodplains and swamps. Tolerant of a wide range of temperature (8-41°C) (Ref. 3) and salinity to 19 ppt (Ref. 7248). Form schools; is mainly diurnal. Juveniles feed on plankton. Adults feed mainly on higher plants and also algae, insects and crustaceans. Make excellent eating (Ref. 5214).

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

Prefers a sloping spawning ground near the marginal fringe of vegetation (Ref. 3). Builds nest in shallow water where both parents guard the eggs and young.

Main reference Upload your references | References | Coordinator : Kullander, Sven O. | Collaborators

Teugels, G.G. and D.F.E. Thys van den Audenaerde, 1991. Tilapia. p. 482-508. 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. 5163)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Potential pest




Human uses

Fisheries: commercial; aquaculture: commercial; gamefish: yes; aquarium: commercial
FAO(Aquaculture: production; ; publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.01539 - 0.02470), b=2.96 (2.92 - 3.00), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  2.3   ±0.1 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13-0.18; tmax=7).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100) .
Price category (Ref. 80766):   Unknown.