if there are different scientific names for them, then how can they be the same fish??
I am confident in saying that the website you have provided has incorrect information on it. A dogface puffer gets to be over a foot long (12") and a stars and stripes gets to about 19." These fish need at least a 100-200 gallon size tank, NOT A 55g!
Since when do Valentini and Dog Face puffers breed?