Oreochromis spilurus percivali (Boulenger, 1912)

Buffalo Springs tilapia

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

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Pseudocrenilabrinae
Synonyms	Tilapia percivali, ... more
Common names	佩氏口孵非鲫, 佩氏口孵非鯽, ... more

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Main reference

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

Size / Weight / Age

Max length : 12.7 cm SL male/unsexed; (Ref. 2)

Environment

Benthopelagic; freshwater

Climate / Range

Tropical

Africa: Kenya.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 14 - 15; Dorsal soft rays (total): 10 - 12; Anal spines: 3; Anal soft rays: 9 - 10; Vertebrae: 28 - 29. Mouth wide; lips thick; jaws and pharyngeal bones stout, swollen and spongy in some specimens. Micro-branchiospines absent or reduced in the type locality. Scales usually in 2 rows on cheek. Females green darker on back, white on belly. Mature males rich brown to black, lighter on belly; lips enlarged, prominent and white; tail orange, with spots and vertical bars.

Has been recorded at a temperature of 38.0 °C (Ref. 2). Filamentous green algae, which were digested, and also unicellular and four-celled algae were found in the gut. The latter were apparently not digested and were probably blue-green algae which formed a carpet on the floor of the spring. Portions of insect cuticle were also present in the gut and the fishes were seen to consume dead insects thrown on the water (Ref. 2).


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

Human uses


More information
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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 (18 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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