Korogwe tilapia

📖 Overview

A maternal mouthbrooder . There is evidence of hybridization with native Oreochromis jipe in northern Tanzania, and non-native O. niloticus in southern Tanzania . Of only minor importance to artisanal fisheries . Maximum standard length of 18 cm is not confirmed; maximum total length reported as 20.8 cm .

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 16 - 18; Dorsal soft rays (total): 9 - 11; Anal spines: 3 - 4; Anal soft rays: 9 - 11; Vertebrae: 29 - 30. Diagnosis: A small bodied tilapia . About 50% of individuals have IV anal spines, the modal numbers of vertebrae (29), dorsal rays (27) and gill-rakers (15) are low, and the jaws of breeding males are enlarged . Females, subadult males and juveniles with a silver/grey flank colour, light ventral colour, and characteristic melanin pattern of 7-9 broken vertical stripes on the dorsal side giving a spotted appearance; males darker, with a series of white spots/bars on the flanks; ripe males have red margins on dorsal and caudal, with a reddish tinge to the pectoral fins; males from southern populations showed a bluish sheen and less contrasting male colouration . In breeding males the throat and chest are black and broad dark vertical bars are conspicuous on the lower half of the body . : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Korogwe tilapia is currently being reviewed.

🦐 Diet

Diet information for Korogwe tilapia is currently being compiled.

🥚 Reproduction

A maternal mouthbrooder .

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Tropical south of Pangani River, and probably other dams in coastal zone of Tanzania (Ref.

🌿 Ecology

📐 Morphometrics

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🌐 Names & Taxonomy

🐠 Related Species

🔍 Similar Species

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 2 records indexed .

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