Originally Posted By: Rainman
Tilapia do filter feed in a way also but are NOT filter feeders. A tilapia's gill rakers produse a sticky mucus that catches tiny particles of algae and microscopice animals. They will essentially hock up a loogey when enough nutients have been caught and swallow it.

I've been wondering what the technical terms for that process were, Thanks, Rainman. ;\)

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