Photos - top preserved male; bottom
Fins - D1 - 7; D2 - 12(29) 11(6); A - 11(30) 10(4); P - 16(11) 17(9) 18(12) 19(1); first 1-2 spines filamentous in larger males
Head - Rounded but more compressed that the typical Gobiosoma head; the overall body is distinctly more slender than a Gobiosoma.
Papillae - Row 5i under middle of row b; row 2 projects below level of row d, past ventral of lower jaw;row 3 not extending below row d; papillae small
Color - Color pattern is variable; generally dark colored with light areas on the head and light saddles behind the first dorsal and on the caudal peduncle; distinct dak banding on the tail is distinctly noticable as is the dark mark on the pectoral fin.
DISTRIBUTION - Eastern Gulf of California to eastern Panama.
HABITAT - Found in Panama buried in the sediments of muddy bottom estuaries.
NOTES - This species does not belong in the genus Gobiosoma. see Ruber, Van Tassell and Zardoya. 2003. Evolution 57(7): 1584-1598