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Tag: yolk sacs

Yolk sac fry of Nile tilapia, Oreochromis niloticus

The photo shows freshly hatched yolk sac fry of Nile tilapia, Oreochromis niloticus. Yolks provide the main nutrition to this early larval stage. The rate and duration of yolk consumption will be determined based on water temperature. Afterwards, yolk-sac fry will turn to swim-up fry. Note: We decided not to watermark the photos in order not to …

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Permanent link to this article: http://fishconsult.org/?p=1029

Open system for tilapia spawning using hapas in Egypt

The photo shows an open-system for tilapia hatchery in Egypt. This type of hatcheries is based on hapas placed in earthen ponds. The advantage of such system is mainly economical as well as the ability to nurse fry in nursing hapas in this open system. However, because the spawning in this system takes place during …

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Permanent link to this article: http://fishconsult.org/?p=896

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