ANSWERS: 8
  • It causes stress. Stress can weaken fish to the point of getting diseases, which CAN kill fish.
  • Probably not directly, but if it is done continually, it can cause serious stress to the fish, which makes them prone to diseases that can ultimately kill them.
  • yes... i killed 3 in 5 days trying to wake them up for breakfast!!!
  • It does stress them out though, which can lead to death if prolonged. An accidental tap or something isn't going to kill them, but I def. wouldn't tap the glass on purpose.
  • If you tap it hard enough to break the glass. :) Anyway, as has already been mentioned, it can stress them out, and fish are a bit crap when it comes to stress management.
  • Not that I'm aware of. I have heard that if you tap the tank, the fish will go deaf because the sound is much louder to their ears. But not being a fish, I don't know for sure.
  • Like everyone said so far, tapping will eventually cause fatal-stress... But putting in a shark can speed up that fatality(ness) astronomically! I know myself, it's sad but you get over it, with the fact that you've got a awesome killing machine in your fishy tank!
  • Eventually. It is simply a cruel act! In a way it would be like someone squirting high pressure air on you.

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