Shorefishes of the Tropical Eastern Pacific Online Information System
Updated: 06/12/2008  
Version: 1.0.4.53  

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Species Information          
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    Stegastes  
Perciformes  -  Pomacentridae  -  Stegastes  -  Stegastes beebei

Stegastes beebei

All Families(148) All Genera(504) All Species(1287)
dark + white band around tail base
 
pectoral border: white & yellow
 
juvenile:brown, nape & D red
 

     

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Stegastes beebei (Nichols, 1924)


Galapagos ringtail damselfish,     Southern whitetail major


Body oval, compressed; 1 pair of nostrils; margin of preopercle serrated; margin of bone under eye serrated, without notch it and the bone before it; mouth small, protrusible;  teeth in single row, long and close-set;  lower gill rakers 11 (10-12); a single continuous dorsal fin, XII, 15 (14-16); anal rays II, 13 (rarely 14); pectoral rays 20-21 (rarely 22); no projecting short spines at upper and lower base of tail fin; caudal fin bluntly forked; scales are moderately large and rough; body scaled, head largely scaled (snout scaled to nostrils), as are the basal parts of the median fins; lateral-line scales 20 (rarely 19); lateral line incomplete, ends under end of dorsal fin base.



Dark brown with darker scale outlines, often with white band on caudal peduncle, also with a blue iris and white or yellow outer edge of pectoral fin. Juvenile  dark with red nape, upper back and spiny dorsal, and a dark ocellus at rear base of dorsal fin.


Size: grows to 17 cm.

Habitat: common along rocky shores.

Depth: 0-15 m.



Resident populations in the Galapagos Islands, Malpelo and Cocos, vagrants on the coast of Costa Rica and in the Pearl Islands, Panama.

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