Spawning nests of mouth brooder tilapias

The photo shows a classic view of the spawning nests in earthen ponds for mouth brooder tilapia such as Nile tilapia, Oreochromis niloticus. The nest is built by the male while female joins where the spawning takes place before females incubates the fertilized eggs. If harvesting of tilapia fry is performed in these ponds, it should be noted that tilapia fry will be staying in these nests and so using seines could damage and stress these fry. Therefore, other methods such as trapping should be used in such situations whereas fry are attracted to water current and hence collected in clean water with minimum stress if any.

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