top of page

Ray-finned Fishes of Zihuatanejo

CLASS ACTINOPTERYGII

-Animals (Kingdom Animalia)

-Chordates (Phylum Chordata)

-Vertebrates (Subphylum Vertebrata)

-Ray-finned Fishes (Class Actinopterygii)

-Gobies and Allies (Order Gobiiformes)

-Perch-like Fishes (Order Perciformes)

-Suborder Percoidei

-Groupers (Family Epinephelidae)

-Genus Cephalopholis

-Pacific Graysby (Cephalopholis panamensis)


Cephalopholis panamensis is a grouper fish from the Eastern Pacific Ocean. It grows to a size of 31cm in length. The Panama Graysby is a resident of all Mexican waters of the Pacific Ocean. Feeds on other fishes and crustaceans.

Diet

  • Cephalopholis panamensis is a carnivorous ambush predator that feeds mainly on small fishes and crustaceans, including shrimps and crabs.

Range

  • The Pacific Graysby is endemic to the tropical eastern Pacific, ranging from the Gulf of California southward to Ecuador.

  • It occurs along the Pacific coast of Mexico, including the Zihuatanejo region.

Habitat

  • It inhabits coral reefs and rocky shores, generally remaining close to the bottom. It favours reef crevices and other sheltered areas and is described as shy and secretive.

Description

  • The Pacific Graysby has a robust, oblong body, a large head and a rounded tail. It can reach about 37–39 cm in length.

  • Adults are pale grey-brown to dark brown, with about nine or ten dark vertical bars across the body. The head has oblique pale bands and a network of reddish-orange and bluish-green spots, with a prominent dark patch immediately behind the eye.

  • The pectoral fins are rounded and noticeably longer than the pelvic fins.

Pacific Graysby

Cephalopholis panamensis

bottom of page