Oxyurichthys stigmalophius, commonly known as the spotfin goby, is a species of goby found in the western central Atlantic (Florida, Bahamas and the southern Gulf of Mexico to Suriname). This species reaches a length of 16.5cm (06.5inches).
References
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p.