My fish are as smart as Martiju’s fish! (Or as dumb maybe.)
I can’t walk past the fish tank without the entire fish population elbowing* each other to get as close to me, the Large-Mysterious-And-Magic-Provider-Of-Food, as possible. I never have to do anything special to get their attention. They are as attentive as a horny man at a strip club.
[size=1]* metaphorically speaking of course.