New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Blue Victoria mouthbrooder

Haplochromis nubilus Boulenger, 1906
Max Length
9.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits shallow inshore areas close to vegetation . Lake Victoria populations are largely omnivorous, larval insects and small crustaceans predominate in the diet .

Scientific Name
Haplochromis nubilus
Authority
Boulenger, 1906
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
9.3 cm
Latitude
3°S – 1°N
Trophic Level
3.4
Resilience
High
Vulnerability
14.00/100
Water Temp
21–30 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cichliformes
Cichliformes
Family
Cichlidae
Cichlidae
Genus
Haplochromis
Haplochromis
Species
Blue Victoria mouthbrooder
Haplochromis nubilus

🐟 Physical Description

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 .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Blue Victoria mouthbrooder is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 👄 Mouth Brooder 🛡️ Egg Guarder
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Mouthbrooding by females.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 10.0 - 15.0; dH range: 8 - ?. Tropical; 21°C - 30°C ; 1°N - 3°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.45

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
9.3cm
Dorsal Spines
15
Dorsal Rays
9
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Temperature Range
21–30°C
pH Range
10–15
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
1°N – 3°S
Described By
Boulenger, 1906

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blue Victoria Mouthbrooder

Scientific Synonyms

Scientific Name Author Year Status
Astatotilapia nubila Boulenger 1906 Synonym
Tilapia nubila Boulenger 1906 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 46 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Blue Victoria mouthbrooder ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.