LONGFIN TILAPIA

Oreochromis macrochir

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IUCN Red List Status: Vulnerable (VU)

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LONGFIN TILAPIA

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Oreochromis macrochir (Boulenger, 1912) Oreochromis macrochir (Boulenger, 1912)

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Overview

Biology

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Mating territory having a central volcano-shaped mound (Ref. 2, 246, 314, 5214, 12524, 55074) with a flat or slightly concave top, surrounded by a ditch and vallum, in contrast to O. mweruensis (Ref. 2). Prefers quiet, deep water associated with aquatic vegetation, but has been collected in other habitats as well (Ref. 12524, 13337). Found at temperatures between 18 and 35°C (Ref. 54042). Has a very low salinity tolerance (Ref. 2, 58). Occasionally forms schools, is mainly diurnal (Ref. 2). Feeds mostly on detritus (Ref. 87, 7248, 44661, 52193, 52307, 56192), (blue-green) algae (Ref. 12524, 13337, 44661) and diatoms (Ref. 246, 7248, 12524, 13337, 52193). Juveniles also accept small invertebrates and zooplankton (Ref. 7248, 52193, 52307), but lose this tendency with age (Ref. 52307). Maternal mouthbrooder (Ref. 87, 246, 314, 5214, 7248, 8600, 12524, 13337, 36094, 52193, 54042). Flesh excellent (Ref. 5214).