IUCN threat status:

Vulnerable (VU)

Comprehensive Description

Read full entry


  Common names: thresher (English), tiburón zorro (Espanol)
Alopias pelagicus Nakamura, 1935

Pelagic thresher

Body stout, cylindrical; head short, rounded between eyes, narrow; snout elongate, conical; forehead profile ~ straight; no groove on nape; eyes small; mouth small, ventral; teeth small, asymmetric, notched and serrated; gill openings - 5, short, last 2 over pectoral base; first dorsal large, midway between pectorals and pelvics; second dorsal and anal very small; pectorals very long, straight, with broad tips; pelvics large;  upper lobe of tail extremely long, ~ equal to body length; no keels on tail base.

Back  blue to grey, belly white;  white of belly not extending onto flank over pectoral fin.

Size: 365 cm.

Habitat: oceanic, pelagic.

Depth: 0-700 m.

Indo-Pacific; central California to the Gulf of California, and the Revillagigedos and 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!