no,the fish in qestion,the emerald cory,isn't a cory at all.it's a closely related fish known as brochis splendens.they are very similar,except that they grow up to 3 inches and have a much fuller body than corys.they can also be very skittish and could hurt themselves in a 10 gallon.try some aneus corys for a ten gallon,they look the same but stay much smaller.