Species Profile
Blue-Green Chromis
Chromis viridis
Also known as: Green Chromis
Damselfishpeaceful
Adult size
3.5″
Minimum tank
30 gal
Temperature
72–82°F
pH
8.1–8.4
Schooling
Group of 5+
Water level
mid
Diet
Marine flake, pellets, frozen mysis
Notes
Iridescent blue-green schooler. One of the few damsels that stays genuinely peaceful — most damsels turn aggressive as they mature, but chromis don't. Keep 5+; lone chromis pine and waste away.
Photo: Citron / Wikimedia Commons · Source · CC-BY-SA-3.0