Comprehensive Description

Read full entry


  Common names: suckerfish (English), rémora (Espanol)
Phtheirichthys lineatus (Menzies, 1791)

Slender suckerfish

Very elongate (depth < 10% of SL);  sucking disc on head small, 9-11 plates, reaches ~ center of pectoral fin; gill rakers 1-3 above, 14-17 below; pectoral pointed, 17-21 rays; base of dorsal and anal fins very long, bases 2-3x head length; dorsal 32-28 rays; anal 31-38 rays;  tail with W shaped margin (central rays filamentous in juvenile).

Upper half blue-black, abruptly white lower half;  3 stripes along flank, blue above, black, silver below; tail black with white upper and lower rear margins.

Size: 76 cm.

Habitat: usually on large fishes or sharks, and turtle.

Depth: 0-100 m?

A circumtropical species, found throughout our region.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Shorefishes of the tropical eastern Pacific online information system.

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!