Damselfish < 2026 >

These require larger tanks (75+ gallons) and assertive tank mates that can hold their own.

Avoid these in standard community reefs. They often start out adorable as juveniles but turn into absolute terrors as adults. damselfish

( Chrysiptera hemicyanea ): Vibrant blue with a yellow belly, hardy and relatively easy to socialize. The "Conditional" Damsels (Semi-Aggressive) These require larger tanks (75+ gallons) and assertive

( Chromis viridis ): Peaceful open-water swimmers that do best in schools of 6 or more. damselfish

( Chrysiptera parasema ): Striking electric blue with a yellow tail; one of the least aggressive standard damsels.