country information

Common names: [No common name]
Occurrence:
Salinity:
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information:
National Fisheries Authority:
Occurrences: Occurrences Point map
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Buffalo Springs tilapia, Athi River tilapia, 佩氏口孵非鲫, ... more

Main reference

Trewavas, E. 1983. (Ref. 2)
References | Biblio | Coordinator : Kullander, Sven O. | Collaborators

Size / Weight / Age

Max length : 19.2 cm SL male/unsexed; (Ref. 2); 16.3 cm (female)

Environment

Freshwater; brackish; benthopelagic

Climate / Range

Tropical; 24°C - 28°C (Ref. 2059), preferred ?; 23°N - 7°S

Distribution

Africa: Coastal rivers of Kenya from the Mwena River to the lower Athi below Lugard's Falls; also near its mouth, including Lake Chem Chem; Lower and middle Tana River, Northern Uaso Nyiro, Juba system and Webi Shebeli; Nguruman; and Ethiopia. Probably also in Lake Momello, south of the Kenya-Tanzania border. Three subspecies are recognized: Oreochromis spilurus niger, Oreochromis spilurus percivali and Oreochromis spilurus spilurus.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 14 - 17; Dorsal soft rays (total): 10-13; Anal spines: 3; Anal soft rays: 9 - 10; Vertebrae: 28 - 30. Scales on cheek in 2 or 3 series. Genital papilla of male conical or club-shaped, with a sub-terminal pore. Females and immature males have a yellow-buff background color with a series of mid-lateral blotches and a more dorsal parallel series. Mature males golden-yellow; conspicuous bright blue areas on dorsal, anal and pelvic fins; orange or red dorsal lappets.

Feeds on insects, plants and diatoms (Ref. 2).

IUCN Red List Status (Ref. 115185)

Not Evaluated

Threat to humans

Harmless

Human uses

Aquaculture: commercial; aquarium: commercial

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
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
2.6 ±0.35 se; Based on food items.

Resilience (Ref. 69278)
High, minimum population doubling time less than 15 months (tm<=1: multiple spawning per year)

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

Price category (Ref. 80766)
Unknown

Oreochromis spilurus (Günther, 1894)