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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Oreochromis Angolensis

Oreochromis angolensis Trewavas, 1973
Max Length
20.4 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
28.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Oreochromis Angolensis (Oreochromis angolensis), first described by Trewavas, 1973 is a medium-sized fish in the family Cichlidae (order Cichliformes). Adults typically reach 20.40 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Cichlidae kept in the hobby.

Scientific Name
Oreochromis angolensis
Authority
Trewavas, 1973
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
20.4 cm
Resilience
High
Vulnerability
28.00/100

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Cichliformes
Cichliformes
Family
Cichlidae
Cichlidae
Genus
Oreochromis
Oreochromis
Species
Oreochromis Angolensis
Oreochromis angolensis

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 11 - 12; Anal spines: 3; Anal soft rays: 8 - 10; Vertebrae: 29. Diagnosis: outer teeth of jaws in females and young males bicuspid except a few lateral unicuspids, but mature males with many unicuspids, until at about 20cm SL nearly all outer teeth are unicuspid and the posterior are enlarged; pharyngeal teeth fine and dense, with blade of lower pharyngeal bone longer than toothed area; 21-26 gill-rakers on lower part of first arch; 29 vertebrae; 15-16, rarely 17 dorsal spines; total dorsal rays 27 or 28; caudal fin not scaly; genital papilla in both sexes complex, in the male elongate, bifid and tasselled; white spots on pelvic fins of mature males and on dorsal, anal and base of caudal in both sexes; dentition and coloration of mature males diagnostic . : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Oreochromis Angolensis 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

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish

📐 Morphometrics

Length–Weight Relationship: W = 0.01862 × L3.02 (TL)
Max TL
20.4cm
Dorsal Spines
16
Dorsal Rays
12
Anal Spines
3
Anal Rays
9
Vertebrae
29

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Trewavas, 1973

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