1) Fish genus 2) Genus pomacentrus 
Pomacentrus is a genus of marine fish in the family Pomacentridae. These fish inhabit tropical locations and are often captured or bred as aquarium fish. == Species of Pomacentrus == ...
(from the article `damselfish`) Better-known members of the family include the bright-coloured species of Pomacentrus, the black-and-white, or three-stripe, damselfish (Dascyllus ...
[n] - type genus of the Pomacentridae: damselfishes
genus Pomacentrus noun type genus of the Pomacentridae: damselfishes