Actually, there are 2 similar looking dragon gobies available on the market. The Florida DG; aka Violet Goby (Gobioides broussonnetti) and the Peruvian DG; aka Eel Goby (Gobioides peruanus).
I know but I was doing a project on the violet and found it really originated in Floridia and gradually got to SA so ya but that projeect was also the reason i got him