Comprehensive DescriptionRead full entry
| Common names: frillfin (English), gobio (Espanol), mapo (Espanol) |
Bathygobius ramosus Ginsburg, 1947
Body robust; head broad, depressed; snout bluntly rounded; eyes large, close together; mouth moderate sized, relatively horizontal; tongue with distinct notch in front; jaw teeth in bands, without canines; dorsal fins VI + I, 8-10 rays; anal I, 7-9 rays; pelvic disc rounded, front membrane with large side lobes; tail round, 24-31 rays; pectoral rays 18-21, the uppermost 6 rays forming free filaments, usually the 1st and invariably the remaining five branching more than once; scales large, rough, 32-38 along midside, predorsal scales not reaching eyes, remainder of head scaleless.
Olive green to brown with lighter scale centres; often a row of dark spots along midside and diffuse bars or saddle may be present on back; lower head with small white ocelli; first dorsal fin entirely pigmented, and with a central stripe; caudal and second dorsal fin with wavy brown bands or spots; 1st of 3 dark blotches behind eye is largest.
Size: grows to 11.4 cm.
Inhabits the rocky intertidal zone.
Depth: 0-2 m.
Southern Baja and the Gulf of California to northern Peru, Cocos Island, and the Revillagigedos Islands. According to Miller et al 2001 there are two subspecies - Bathygobius r. longipinnis from the Revillagigedos and Tres Marias, and Bathygobius r. ramosus from the remainder of the range.