IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Description

  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.
   

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

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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