what is the smallest shark?

mollylope

New Member
Hi I curently have a nano tank but I am thinking of upgrading to a bigger tank. I have a protine skimmer but it is only for tanks up to 60 gallons. I want to get a shark, eel, or a lion fish but I want one one of these to fit in a 60 gallon tank so I can use the skimmer I have now. So is there any shark that would fit in a 60 gallon?
 
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