These first stages are very important and equally fascinating. The hatching has begun. The newly hatched ranchu larva is only 4-4.5 mm in length and is not able to swim freely. It latches to any surface and moves only occasionally, by making short bursts. Organs are developing. At this stage the larva feeds off of its own yolk sac. But in a day or so, the yolk supply will deplete, as the larvae will start swimming, actively looking for food. That is when I will supply baby brine shrimp daily.
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| Newly hatched ranchu larvae |
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| Ranchu larva with prominent yolk sac |
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| A lot more eggs are hetching |
I found this interesting and very descriptive article on
"The Embryo and Larval Development of The Goldfish (Carassius Auratus L.) From Lake Erie". Click on the article to read.
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| Illustration from the article |
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