hey whats up i just bought a shovel nose tonight and he is only about 3 1/2 inhes long mabay four well my Q is how do i tel what kinda or species it is it's kinda scarying me sense some people say that some of them get pretty big and the lfs did't hvae what kidna and didd't no they said it well get about 18 or so but i just want to make sure. how fast do they grow thanks.