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Oreochromis mortimeri is a schooling species which is predominantly diurnal. It is also tolerant of higher salinities. Its diet largely consists of filamentous algae and diatoms, and also includes some vascular plants, Dipteran larvae, other insects, cladocerans, copepods, shrimps, annelids and molluscs.
Oreochromis contains more than 30 species, and several undescribed forms exist. Judging from mtDNA sequence analysis, several clades seem to exist. Research is hampered because hybridization runs rampant in these fishes, which confounds mtDNA data ( Wami tilapia is an example), and the fast speed of evolution makes choice of appropriate nuclear ...
Oreochromis chungruruensis; Singidia tilapia (Oreochromis esculentus) Lake Chala tilapia (Oreochromis hunteri) Jipe tilapia (Oreochromis jipe) Karomo (Oreochromis karomo) Kariba tilapia (Oreochromis mortimeri) Oreochromis variabilis; Orthochromis uvinzae; Oxylapia polli; Paratilapia sp. 'Vevembe' Damba mipentina (Paretroplus maculatus)
Pages in category "Oreochromis" The following 27 pages are in this category, out of 27 total. ... Oreochromis mortimeri; Oreochromis mossambicus; Mozambique tilapia ...
In contrast, several species have small ranges and are seriously threatened; a few are already extinct (Tristramella sacra) or possibly extinct (Oreochromis ismailiaensis and O. lidole). [ 2 ] [ 3 ] Cichlids in the tribe Oreochromini are mouthbrooders , carrying the eggs and fry in their mouths instead of placing them in a nest.
Rovuma tilapia (Oreochromis placidus placidus) Oreochromis placidus rovumae; Oreochromis upembae malagarasi; Dwarf Victoria mouthbrooder (Pseudocrenilabrus multicolor victoriae) Sarotherodon galilaeus boulengeri; Galilaea tilapia (Sarotherodon galilaeus galilaeus) Upper Zambezi nembwe (Serranochromis robustus jallae) Serranochromis robustus ...
Allaga ambigua; Anischnansis burtti; Burttia sylvatica; Chorthippus acroleucus; Chorthippus antecessor; Chorthippus bozdaghi; Chorthippus ilkazi; Chorthippus lacustris
The mtDNA data of Klett & Meyer (2002) places the Rufigi tilapia into Oreochromis (though not close to the Mozambique Tilapia, but rather to Oreochromis amphimelas). This would seem to support the second hypothesis - maternal gene flow from Sarotherodon to Oreochromis ; whether this is correct or not, it amply illustrates that mtDNA sequences ...