Tilapia (Oreochromis sp.)
Kranji, 30th December 2008

This Tilapia was found floating in a concrete tank full of its live counterparts at Jurong Frog Farm.

The Tilapia species commonly encountered in ponds, rivers, reservoirs and canals, and even in mangroves, estuaries, and coastal waters, is likely to be the Mozambique tilapia (Oreochromis mossambicus).

The Nile Tilapia (Oreochromis niloticus) is also known to be present in some of Singapore’s reservoirs.

Although reddish-coloured mutants are known to occur in the Mozambique and Nile Tilapias, the so-called Red Tilapia raised for aquaculture in Asia are predominantly hybrids descended from crossing Mozambique Tilapia and Nile Tilapia. Red-coloured hybrid Tilapia strains have also been produced by crossing Nile Tilapia with Blue Tilapia (Oreochromis aureus), as well as from crossing Mozambique Tilapia and Zanzibar Tilapia (Oreochromis urolepis). These strains have also been crossed with one another, with other hybrid strains of unclear parentage, as well as with wild-type Tilapia, which means that the ancestry of some Tilapia stocks may be unclear.

Blue Tilapia (Oreochromis aureus)

Zanzibar or Wami Tilapia (Oreochromis urolepis)

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