Tilapia discolor (Günther, 1903)

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Pseudocrenilabrinae
Synonyms	Chromis discolor, ... more
Common names	杂色非鲫, 雜色非鯽, ... more

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Picture by Dubosc, J.

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Main reference

Teugels, G.G. and D.F.E. Thys van den Audenaerde. 1991. (Ref. 5163)
Other references | Biblio | Coordinator : Kullander, Sven O. | Collaborators

Size / Weight / Age

Max length : 22.5 cm TL male/unsexed; (Ref. 5163)

Environment

Demersal; non-migratory; freshwater

Climate / Range

Tropical; 10°N - 5°N

Africa: Bia, Tano and Pra Rivers (southeast Côte d'Ivoire and southwest Ghana) as well as in Lake Bosumtwi in Ghana (Ref. 53405).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 14 - 16; Dorsal soft rays (total): 12 - 15; Anal spines: 3; Anal soft rays: 8 - 9. Diagnosis: lower pharyngeal bone about as long as broad, and with anterior lamella shorter than toothed area; median pharyngeal teeth not broadened; upper profile of head strongly convex; dorsal fin with 14-16 spines and 12-15 soft rays; flanks and belly whitish; head, back and flanks with irregular black spots; no bifurcated dark vertical bars on flanks; dorsal and anal without orange-red upper margin; caudal greyish to blackish (Ref. 53405). Description: outer jaw teeth bicuspid and non-spatulate, inner jaw teeth and posterior pharyngeal teeth tricuspid; micro-gillrakers present; scales cycloid (Ref. 53405). Coloration: ground colour whitish on sides and belly, yellowish-green on back; entire body, and in particular head, back and sides covered with irregular black spots; few bluish-green spots on occiput; belly sometimes blackish, with some red pigment; dorsal fin greyish-black, with some light oblique lines between spines, upper margin blackish and tip white-edged in large adults; "tilapian" spot has not been observed; pectoral fins transparent, pelvics and anal fin whitish to black; caudal fin greyish to black, sometimes spotted in central area, upper angle with a narrow edge in large adults (Lake Bosumtwi) (Ref. 53405).

Oviparous (Ref. 205). Substrate brooders (Ref. 55659). Eggs are laid and incubated in nests which are guarded by both parents (Ref. 55659).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries:


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (24 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Musschoot, Tobias

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Page last modified by : elaxamana, 15 July 2009

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