Flash;2474001; said:My guess is yes, yes and yes.
They hear because when you hit the glass, they all go run and hide.
They smell because that's, when my catfish come out and eat.
They taste because some fish like certain ood, while some other fish won't like the same food.
FavCatfish;2480341; said:I dont agree with the hit the glass thing, i thing the run and hide because you scared them with a moving object, if i run by my tank the scatter too.. but i do think fish hear cause when i crack the lid on the shimp they sit at the top waiting...