england
channa aka snakehead
- Joined
- Dec 13, 2005
- Messages
- 10,394
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Its like an egg cup for holding eggs
hehe no its a feeding ring,as the duckweed covered the top so used this so they could find there meal worms,They decided to use it as a nest to store the eggs

best of luck with their survival, fingers crossed for you
but night before they were interlocking then into one tight ball and dropping all way down,,,maybe that was it as they can do this other a few days appently 