IUCN threat status:

Vulnerable (VU)

Comprehensive Description

Read full entry


  Common names: triplefin (English), tres aletas (Espanol)
Axoclinus rubinoffi Allen & Robertson, 1992

Rubinoff's triplefin

Body short, robust; head large; cirri on head small, simple, 1 pair over nostrils, 1 pair over eyes; no teeth on sides of roof of mouth;  three dorsal fins (III + XII +10); dorsal fin soft rays unbranched  except last ray branched at base; anal fin II, 17-18; pelvic fins completely separate; lateral line gradually descending from upper edge of gill cover to midlateral axis, with 22-23 tubed scales followed by 12-13 notched scales; scales above lateral line about as wide as long; scales small, none on head, breast, belly, and base of pectoral fins; total scales in longitudinal series 35-36.

Body with three broad brown to blackish bars and blackish band on caudal peduncle, bars narrowly margined with pearl white, particularly posterior ones; narrower pale brownish bars between dark bars; male with blackish tail fin that is confluent with dark bar on tail base.

Size: grows to about 3.5 cm.

Inhabits shallow intertidal rocky areas.

Depth: 0-15 m.

Known only from Isla Malpelo.


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!