Blue-fin Damselfish get darker as they age, hence they are also called the Black Damselfish. The name is in the eye of the beholder and the age of the Damsel. The Blue-fin Damselfish grows to six inches in an aquarium.
Scientific Name: Paraglyphidodon melas
Diet: flake and frozen preparations
Max Size: 5"
Require 50+ gallon tank
Approximate shipping size: .75" to 1.5"