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gobies (Gobiidae: Ambtyopinae) an eel-like, elongate body with a continuous dorsal fin
and an affinity for shallow water, muddy bottom habitats. Due to similarities in external
morphology and habitat requirements, some workers considered Gobioides allied with
amblyopine gobies. Others, however, dispute a close relationship between Gobioides and
the Amblyopinae. Gobioides is easily distinguished from the Amblyopinae by its larger eyes (small in Gobioides vs. inconspicuous in the Amblyopinae), fewer dorsal and anal-fin rays (14-20 vs. 27-48), and different fin element to vertebra ratios (1:1 vs. 2:1). Gobioides reaches lengths of 500mm SL or greater whereas ambtyopines rarely exceed 300mm SL. Gobioides comprises five species (G.
africanus, G. broussoneti, G. grahamae, G. peruanus, and G. sagitta). Although these gobies
occupy habitats with similar conditions, Gobioides and amblyopines are nowhere
sympatric. Gobioides occurs in tropical and subtropical coastal waters of the eastern and
western Atlantic as well as the tropical eastern Pacific Ocean. In the eastern Atlantic, Gobioides
is known from Senegal to Zaire. In the western Atlantic, Gobioides is reported
from South Carolina to southern Brazil. In the eastern Pacific, Gobiodes is known from
Mexico to Peru.