Sergeant Major Damsel

About this fish

Sergeant Major Damsel is a home saltwater aquarium fish (Abudefduf saxatilis), a damselfish known for being hardy, active, and typically bold in the water. In a reef or mixed tank, it’s commonly selected for its lively behavior and presence, and it’s generally considered reef safe with corals. In practice, this species is also useful for aquarists who want a hardy fish that will readily interact with the tank while still benefiting from thoughtful aquascaping and tankmate choices. Plan for its social behavior: many damsels become territorial as they mature, so giving the right structure helps reduce stress and conflicts.

Features:

• Active, lively swimmer that adds constant movement to the tank
• Typically hardy, making it a common choice for new saltwater aquarium setups
• Generally reef safe with corals when kept in a compatible community
• May become territorial as it matures, so choose tankmates with care
• Provide plenty of rock so it can claim a territory and feel secure
• A slow, careful acclimation helps it adjust when it arrives
• Feed a mix of small frozen foods and quality flakes or pellets once or twice daily

Specifications:

• Scientific name: Abudefduf saxatilis
• Group: Damselfish (Damsels & Chromis)
• Care level (general): Hardy
• Temperament (general): Can be territorial as it matures
• Reef compatibility (general): Generally reef safe with corals
• Diet: Small frozen foods, quality flakes, or quality pellets
• Feeding frequency: Once or twice per day
• Tank setup guidance: Include plenty of rock and consider a quiet spot to settle after acclimation