Sergeant Major
Alternative names: Abudefduf saxatilis, Píntano
The sergeant major is a species of damselfish which can be found in the Atlantic Ocean.
Its scientific name, Abudefduf translates as "father", saxa as "living among rocks" and tilus means "tile-like in color". The name father was given due to its agrresive behavior toward other species of fish.
It is called "Sergean Major" due to the five black bars on the body which are resembling insigna of said rank in the military service.