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250L community aquarium

Pearl of Likoma (Melanochromis joanjohnsonae) fish species and information / pictures of Pearl of Likoma - Melanochromis joanjohnsonae

Pearl of Likoma (Melanochromis joanjohnsonae) fish species information

Scientific Name
Melanochromis joanjohnsonae

Common Name
Pearl of Likoma

Biology
Occurs over rocky substrate (Ref. 6307).

Classification

Classified By

Johnson, 1974

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

Africa

Distribution

Africa: Endemic to Lake Malawi. Indigenous to Likoma Island; introduced in Thumbi West Island.

Range

11°S - 13°S

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

26 °C

Depth From - meters

1 m

Depth To - meters

5 m

Zone

demersal

Environment

Freshwater; ; pH range: 7.0 - 8.5; dH range: 10 - 15 demersal; depth range 1 - 5 m

Trophic Level

2.74 s.e. 0.29 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

True

Physical Size and Genetics

Maximum Length

10.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (12 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Vulnerable (VU) (D2)