Holocentrum retrospinis Guichenot, 1853 Plectrypops retrospinis, the cardinal soldierfish, is a species of soldierfish from the genus Plectrypops.

It can be found in the Western Atlantic Ocean, in Bermuda, southern Florida, and from the Bahamas to Brazil.

[2] It can be found in holes and caves in coral reefs.

During the day, it remains in deep recesses.

This Beryciformes-related article is a stub.