How do you train your fish?

[Cetacea]

How do you train a fish?

The small black fish swim around the tank; gracefully gliding back and forth with little discernible pattern.

Then, barely audible over the watery whirr of the marine laboratory, a low buzz sounds.

And a few seconds later, the scene is transformed as the fish crowd into a small area, corralling themselves into a tightly packed ball.

They are awaiting a reward.

"Now we drop some food into the feeding tube," says Scott Lindell, who is running the experiment.

"And voila, they are satiated and happy.

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[Enigmatic Ghost]

I trained my Tiger Oscar not to jump out of my 80 gallon Show Tank; I have Tiger Oscars and Jack Dempsey’s and they would fight and chase each other around, after the Tiger Oscar jumped out and landed upon the Carpet before me, I put it right back into the water and the second time it jumped out, I left it gasping for a while and then put it back into the Tank and it never jumped out after that last time. Fish are very smart and learn real fast.

Pavot

[Neognosis]

CICHLIDS are very smart, for fish. A lot of other fish are idiots.

I have several aquariums, and most of the fish respond to conditioning around their feeding. But my cichlids could recognize different people. I found it very interesting that cichlids were the smartest fish, but also the most aggressive and violent. I often ponder this and wonder if it has larger implications.