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Tilapia (Oreochromis niloticus eduardianus) fish species and information / pictures of Tilapia - Oreochromis niloticus eduardianus

Tilapia (Oreochromis niloticus eduardianus) fish species information

Scientific Name
Oreochromis niloticus eduardianus

Common Name
Tilapia

Biology
Forms schools in the day time but disperses at night (Ref. 2, 59157). Is mainly diurnal (Ref. 2, 4, 10616). Feeds on phytoplankton (Ref. 4). Female mouthbrooder, carrying up to about 2000 eggs (Ref. 364, 49805). Dwarf females of only 12-13 cm TL, from (semi-)enclosed lagoons, known to brood eggs or young; tolerant to extreme alkaline waters (Ref. 59157).

Classification

Classified By

Boulenger, 1912

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

Africa

Distribution

Africa: Albert Nile; Lakes Albert, Edward, George, Kivu; River Ruzizi and Lake Tanganyika. (Introduced into Lakes Victoria and Kyoga and many small lakes and dams in Uganda and Rwanda).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.05 s.e. 0.14 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

49.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = No PD50 data many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquaculture: experimental

Vulnerability

Moderate vulnerability (45 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated