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

Contributors | Glossary | Settings  
  
Home General
Information
What Fish is That?The FishesLibraryRandom ImagesGlossaryResearch Engine


Species Information          
Book mode off
  Book mode off  
    Stegastes  
Perciformes  -  Pomacentridae  -  Stegastes  -  Stegastes arcifrons

Stegastes arcifrons

All Families(148) All Genera(504) All Species(1287)
dark yellow-brown

blue eye
 
lips, tail base, tips  D & A, all of C: yellow
 
juvenile: brown; rear 1/4 yellow
 

     

 Images
 
     


Stegastes arcifrons (Heller & Snodgrass, 1903)


Yellowtail gregory,     Island 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 12-14; a single continuous dorsal fin, XII, 15 (rarely 16); anal rays II, 13 (rarely 12); pectoral rays 20 (rarely 19); 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, head and breast lighter,
 often with violet color on gill cover;  pale yellowish lips; tail fin  bright yellow; juveniles similar, but yellow of tail extends forward onto posterior part of body and rear of dorsal and anal fins; a large ocellated black spot near the base of the front of the soft dorsal.


Size: to 16 cm.

Habitat: abundant along rocky shores.

Depth: 1-30 m.



Galapagos Islands, Malpelo Island, and Isla del Coco, Isla Gorgona (Colombia) and Isla de la Plata (Ecuador).

  WoRMS FishBase Search OBIS Search
ITIS Catalog of Fishes Encyclopedia of Life

Questions or comments

Email STRI data manager
 






Print Friendly Version


 
© Copyright 2008 to 2014 - Smithsonian Tropical Research Institute
Programmed by Coeus Knowledge Systems Pty Ltd