IUCN threat status:

Least Concern (LC)

Comprehensive Description

Read full entry


  Common names: surgeonfish (English), cirujano (Espanol), navajón (Espanol)
Ctenochaetus marginatus (Valenciennes in Cuvier & Valenciennes, 1835)

Blue-spotted surgeonfish,     Striped-fin surgeonfish

Body an elongate oval; head profile steep; eye high on the head; mouth small, protrusible, low on head, with large, fleshy lips; teeth on jaws slender, flexible, tips curved, expanded, with 3-4 tiny teeth on one side, adults with as many as 44 upper and 60 lower teeth; gill rakers 26-29; dorsal fin VIII, 27-28; anal rays III, 25; pectoral rays 16-17; pelvic fin I, 5; a single depressible spine on the side of the base of the tail; tail fin concave; scales very small, rough; lateral line complete.

Dark brown with numerous close-set small blue spots covering head and body; blue lines on dorsal, tail, anal and pelvic fins.

Size: to 30 cm.

Inhabits rock and coral reefs in shallow wave-affected areas.

Depth: 0-40 m.

Scattered localities in the tropical central and eastern Pacific, in the latter region known from Costa Rica to Colombia and all the offshore islands except the Galapagos.



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!