Dumbest/Smartest fish

  • We are currently upgrading MFK. thanks! -neo
The oscars are the only fish I've ever needed to keep entertained. If they get bored I'm sure they would start tearing up their tanks. Toni is the smarter of my bunch it seems. She is usually faster to figure out how to get at a treat than the others are.

There are fish that build structures and manipulate objects for a specific outcome or purpose. Those, I would think, would probably be most intelligent.
 
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