IUCN threat status:

Least Concern (LC)

Comprehensive Description

Read full entry


  Common names: snook (English), gualaje (Espanol), róbalo (Espanol)
Centropomus armatus Gill, 1863

Long-spine snook,     Armed snook

Body oblong elongate, compressed; upper head profile distinctly concave; mouth large and protractile, lower jaw protruding; margin of preopercle serrated;  gill rakers 20-25 (usually 21-24); dorsal rays VIII + I, 10 (rarely 11); anal rays III, 6 (rarely 7), second anal spine very stout, much longer than third, reaching to or beyond level of caudal base when depressed and clearly exceeding longest anal soft ray; pelvics insert a little behind pectoral base, with I strong spine and 5 rays; pectoral rays 14-16 (usually 15); lateral-line scales 49-57 (usually 51-54); scales around tail base 20-25 (usually 22-24); 6-7.5 scales between lateral line and 2nd  dorsal fin.

Overall silvery with black lateral line; base of pectoral fin blackish.

Size: to at least 37 cm.

Inhabits bays, estuaries, and lower reaches of freshwater streams.

Depth: 0-25 m.

The mouth of the Gulf of California to northern Peru.


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!