Tilapia cessiana Thys van den Audenaerde, 1968

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

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Pseudocrenilabrinae
Synonyms	... more
Common names	Raitatilapia, 塞西非鲫, 塞西非鯽, ... more

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Picture by Hofinger, E.

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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 : 20.8 cm SL male/unsexed; (Ref. 7378)

Environment

Demersal; freshwater

Climate / Range

Tropical; 24°C - 26°C (Ref. 12468); 8°N - 4°N

Africa: Probably endemic to the Cess (=Nipoué) River (Liberia/Côte d'Ivoire) (Ref. 53405).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 14 - 16; Anal spines: 3; Anal soft rays: 10 - 11. Diagnosis: lower pharyngeal bone about as long as broad, with anterior lamella shorter than toothed area; median pharyngeal teeth broadened when compared to lateral teeth; 3-4 series of scales on cheeks; 4-4.5 scales between first dorsal fin spine and upper lateral line; dark vertical bars narrower than lighter inter-spaces (Ref. 53405). Description: body deep (its depth 38.7-53.4% of standard length); outer jaw teeth bicuspid, posterior pharyngeal teeth tricuspid; (Ref. 53405). Coloration: in life: ground colour greyish-white; underside of head and chest whitish, back greyish; bases of scales on sides with a greyish-blue spot; 7 narrow, dark grey cross bars (slightly forward-directed) on sides, 1st at level of occiput, last at caudal-fin base, these bars narrower than lighter areas in between; black spot at hind angle of opercle; dorsal fin with blackish margin, its spinous part greyish, soft part lighter, with some parallel bars; anal fin greyish, black-and-white-spotted posteriorly; caudal fin greyish, also covered with black and white spots; pelvic fins dark grey; pectorals transparent (Ref. 53405).


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

Human uses


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 to moderate vulnerability (28 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Sa-a, Pascualita

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Page last modified by : elaxamana, 15 July 2009

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