Damselfish -

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

( Chrysiptera cyanea ): Stunningly bright blue, but males are notoriously feisty and fiercely defend established territories. damselfish

( Chrysiptera parasema ): Striking electric blue with a yellow tail; one of the least aggressive standard damsels. These require larger tanks (75+ gallons) and assertive

( Microspathodon chrysurus ): Beautiful neon spots fade to a drab brown as they grow up to 8 inches and bully tankmates. 🏠 Tank Requirements & Water Parameters damselfish

While exceptionally resilient, they should never be subjected to poor conditions. Damselfish Care | Tropical Fish Hobbyist Magazine