About Abudefduf concolor (Gill, 1862)
Abudefduf concolor, first formally described by Gill in 1862, is commonly called the dusky sergeant or night sergeant. It is a species of damselfish belonging to the family Pomacentridae, and it is endemic to the eastern Pacific Ocean. This species reaches a maximum total length of 19 centimeters (7.5 inches). Its geographic range in the Eastern Pacific extends from El Salvador south to Peru, and it also occurs around the Galapagos Islands, Cocos Island, and Malpelo Island. It is a marine species that lives in shallow reef habitats, most commonly on rocky inshore reefs, at depths no greater than 5 meters (16 feet). It is an omnivorous, oviparous fish. During breeding season, individuals form mating pairs, and males guard and aerate the fertilized eggs.
