Scientific Name
Oreochromis korogwe

Common Name
Korogwe tilapia

Biology
Dorsal spines (total): 16 - 18; Dorsal soft rays (total): 9-11; Anal spines: 3 - 4; Anal soft rays: 8 - 11; Vertebrae: 29 - 30. Diagnosis: about 50% of individuals with 4 anal fin spines; modal numbers of vertebrae (29), dorsal rays (27) and gill-rakers (15) low; jaws of breeding males enlarged; females and non-breeding males with horizontal and vertical elements of melanin pattern conspicuous, especially at their junctions, where blotches are often drawn out vertically (Ref. 2). Breeding males with throat and chest black (Ref. 2), and conspicuous broad dark vertical bars on the lower half of the body (Ref. 2, 4967, 54096).

Classification

Classified By

Lowe, 1955

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

Africa

Distribution

Africa: Lower part of the Pangani River system and the neighboring Zigi River in Tanzania.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; brackish; benthopelagic

Trophic Level

3.2 s.e. 0.40 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

20.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: ; aquaculture: likely future use

Vulnerability

Low to moderate vulnerability (28 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)