mels:is there current in the water? if a shark is not moving in a current isn't it like he is moving?
Yes. The shark still has to fin in order to maintain position, of course.
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mels:is there current in the water? if a shark is not moving in a current isn't it like he is moving?
ringojcp:try throwing one in anaqurium, it'll have a heck of a time if it's not large enough for it to comfortable turn around