Common names: goby (English), gobio (Espanol)
Evermannia panamensis Gilbert & Starks, 1904
Body slender, elongate; head long, depressed; 1 pore between eyes; papillae on cheek and gill cover; top jaw extends well past eye; dorsal fin IV (1st spine elongate in male) + I, 16 rays; anal I, 14 rays; 1 long flexible skin flap on shoulder in front of base of pectoral fin; tail fin long, pointed; scales - smooth, few, minute, imbedded, non-overlapping, on tail fin base.
Male: blue-brown; head, chest and belly heavily dotted with black; irregular dark chevrons on sides; first dorsal and inner half of second dorsal blue-grey, outer half of second dorsal yellowish; tail fin with blue-grey base, top half of fin yellowish, lower half blackish; anal fin blue-grey with a black band along the base. Female - light olive, upper head and body finely mottled with brown; lower head, chest and belly with dense dark dots; dark chevrons along side; dorsal fin as in male; tail and anal fins dark blue-grey, with white margins.
Size: 4.5 cm.
Habitat: soft bottom tide pools.
Depth: 0-5 m.
El Salvador to Panama.