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Oreochromis saka (Lowe 1953)

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Diagnostic Description

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Breeding males black, in some with white or yellowish dorsal lappets. Testes broad, white and sinuous when fully ripe. Lower pharyngeal toothed area with concave sides; median length of bone 1.2-1.3 times its width and 35.5-39.2 % length of head; blade 1.3-2.1 times median length of toothed area. Caudal fin scaly.
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Crispina B. Binohlan
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Life Cycle

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Forms breeding colonies in water of 2 to 4 m depth off reedy shores.
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Morphology

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Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 10 - 11; Analspines: 3; Analsoft rays: 8 - 10; Vertebrae: 30 - 32
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Trophic Strategy

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Inhabits inshore areas.(Ref.4967)
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Biology

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Occurs at a temperature range of 21.5-29.0 °C (Ref. 2). Inhabits very shallow and vegetated regions. Feeds on diatoms and debris collected from the bottom and from between vegetation (Ref. 5595).
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Importance

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fisheries: commercial; aquarium: commercial
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Oreochromis saka

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Oreochromis saka is a species of cichlid fish that is endemic to Lake Malawi and Lake Malombe in East Africa where it inhabits relatively shallow coastal areas.[1][2] It can reach a standard length of 36 cm (14 in).[1] It is part of the subgenus Nyasalapia, which are known as chambo. The validity of this species is questionable and a taxonomic review recommended that it should be considered a synonym of O. karongae (the two only differ by pharyngeal bones and teeth).[3]

References

  1. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2017). "Oreochromis saka" in FishBase. April 2017 version.
  2. ^ Konings, Ad (1990). Ad Konings' Book of Cichlids and all the other Fishes of Lake Malawi, p. 344. ISBN 978-0866225274.
  3. ^ Turner, G.F.; and R.L. Robinson (1991). Ecology, morphology and taxonomy of the Lake Malawi Oreochromis (Nyasalapia) species flock. Annales de la Musée royal de l'Afrique Centrale (Tervuren) 262: 23-28.
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Oreochromis saka: Brief Summary

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Oreochromis saka is a species of cichlid fish that is endemic to Lake Malawi and Lake Malombe in East Africa where it inhabits relatively shallow coastal areas. It can reach a standard length of 36 cm (14 in). It is part of the subgenus Nyasalapia, which are known as chambo. The validity of this species is questionable and a taxonomic review recommended that it should be considered a synonym of O. karongae (the two only differ by pharyngeal bones and teeth).

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