IUCN threat status:

Least Concern (LC)

Comprehensive Description

Read full entry


  Common names: frillfin (English), gobio (Espanol), mapo (Espanol)
Bathygobius ramosus Ginsburg, 1947

Panamic frillfin

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.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

Belongs to 0 communities

This taxon hasn't been featured in any communities yet.

Learn more about Communities


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!