Comprehensive DescriptionRead full entry
| Common names: goby (English), gobio (Espanol) |
Microgobius emblematicus (Jordan & Gilbert, 1882)
Head and body compressed; fleshy nape crest low and poorly developed in both sexes; 2-3 pores on preopercle; mouth large, nearly vertical; tip of tongue divided; dorsal fin VII (spines IV-VI produced in long filaments in male) + I, 15-17 rays; anal I, 15-17 rays; pectoral fin 18-23 rays; tail fin long, oval; pelvics fused to form disc; midlateral scales 50-75; scales all smooth; head, nape, breast, belly, and pectoral fin base scaleless.
Both sexes light brown; belly cream colored; side of head with 2 blue stripes (separated by orange), top one extending forward under eye; flank with diffuse dark midlateral stripe; a diffuse dark blotch under first dorsal fin and 4 diffuse dark bars on upper back; base of pectoral fin with a blue spot; pelvics yellowish to reddish, with blackish margins. Male: dark flank stripe bounded above and below by blue in belly area; a red stripe on tail fin below center, lower part of fin yellow; second dorsal fin dusky reddish, with a blue central stripe and a pale margin; anal fin dusky red, with yellowish margin. Female: body pale below midline above anal fin; second dorsal dark with oblique central pale stripe and a pale margin; anal fin with dark center, pale base and margin; tail fin with 2 red stripes, one in center, the other below, lower part of fin yellow.
Size: to 6.4 cm.
Inhabits sand or mud-broken shell bottoms in estuaries and mangroves.
Depth: 0-6 m.
The SE Gulf of California to northern Peru.