1) Damsel fishes 2) Fish genus 3) Genus abudefduf 
Abudefduf, sergeant-majors, is a genus of fish in the family Pomacentridae. The name is from Arabic abu literally meaning `father` but not in a literal sense; it means `the one with`, and def meaning `side`, and the intensive plural ending -duf. So, the name means `the one (fish) with prominent sides`. ...
[n] - damsel fishes
genus Abudefduf noun damsel fishes