Pomacentrus coelestis
| Identification | Neon blue body with a bright yellow belly and yellow tail — an electrifying contrast of blue and yellow that makes this one of the most striking small damsels. |
| Maximum Length | Up to 3.5 inches (9 cm) |
| Origin | Indo-Pacific — East Africa to Polynesia |
| Minimum Tank Size | 30 gallons |
| Reef Compatibility | Yes |
Behavior
Active and bold. Moderately territorial but generally manageable in a well-aquascaped tank. The brilliant blue-yellow coloration does not fade in captivity as long as the fish is well fed.
Diet & Feeding
Omnivore. Feeds on algae and zooplankton. Accepts flake, pellets, frozen mysis, and brine shrimp.