Up to the late sixties of this century the number of species of the genus Uca occurring on the East and Gulf coasts of North America seemed rather well established. Usually ten species were listed: U. burgersi Holthuis ( = U. affinis (Streets)), U. leptodactyla Rathbun, U. minax (Le Conte), U. pugilator (Bosc), U. pugnax (Smith), U. rapax (Smith), U. speciosa (Ives), U. spinicarpa Rathbun, U. subcylindrica (Stimpson) and U. thayeri Rathbun. Subsequently, however, some uncertainty arose about the number of fiddler crab species of the Gulf coast area. Barnwell (1968) mentioned an undescribed species from Ocean Springs, Mississippi, and Salmon and co-workers described no less than three new Gulf coast species of Uca (Salmon & Atsaides, 1968; Novak &... |