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sequoias · 08-15-2007, 12:59 PM

Yeah, they know by vibrations, even the slightest ones, the fish can't hear you clapping outside the fish tank, it has to be lot of vibrations to make them react. Sea mammals (Dolphins, etc) have ears though.

08-15-2007, 12:59 PM	#5 (permalink)
sequoias Railfan 4 life! Join Date: Jun 2004 Location: The Evergreen State Posts: 11,803	Yeah, they know by vibrations, even the slightest ones, the fish can't hear you clapping outside the fish tank, it has to be lot of vibrations to make them react. Sea mammals (Dolphins, etc) have ears though. __________________