Scientific Name
Haplochromis nubilus

Common Name
Blue Victoria mouthbrooder

Biology
Dorsal spines (total): 15; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8 - 9. Longitudinal scale count 30-31; snout length 33.4-34.6% HL; maxilla reaching below pupil; mouth slightly prognathous; longest soft rays of dorsal and anal fins reaching well beyond base of caudal; scaleless opercular spot small; scaleless caudal rim on the suboperculum; scales on interoperculum in a single row; postorbital scale column mixed; gill rakers on upper part of ceratobranchial anvil-shaped, trifid on epibranchial; one inner tooth row in the lower jaw extending nearly as far posteriorly as outer row; caudal peduncle length 14.4-15.8% SL; and outer-row teeth in lower jaw 36-44 (Ref. 52072).

Classification

Classified By

Boulenger, 1906

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

Africa

Distribution

Africa: Lakes Victoria, Kyoga, Nabugabo, Edward, George, Kachira, Navakali, Kijanebalola and many rivers and streams connected with these lakes.

Range

1°N - 3°S

Environment

Climate

Tropical

Water Temperature From

21 °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 10.0 - 15.0; dH range: 8 - ? benthopelagic

Trophic Level

3.35 s.e. 0.45 Based on food items.

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

9.3 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

Unknown

Vulnerability

Low vulnerability (13 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)