Sergeant Major Damsel

Abudefduf saxatilis

(1 Reviews)

Sergeant Major Damsel

Sergeant Major Damsel

Abudefduf saxatilis

(1 Reviews)

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Sergeant Major Damsel Care Facts

Care Level: Easy
Temperament: Semi-Aggressive
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 40 gallons
Max Size: 6 inches

Sergeant Major Damsel

The Sergeant Major Damsel (Abudefduf saxatilis), also known as the Reef Sergeant or Sergeant Major Fish, originates from the Western Atlantic and Gulf of Mexico, favoring coral-rich environments. With a length of 6 inches and a lifespan of over ten years, it boasts striking black and white stripes reminiscent of a sergeant major's insignia. This omnivorous species requires a balanced diet of marine pellets, frozen foods, and live shrimp. While generally compatible with reef tanks, caution is advised with delicate corals due to occasional nipping behavior. In a minimum 40-gallon tank with stable water conditions (pH 8.1-8.4, salinity 1.020-1.025, temperature 72-78°F), it thrives alongside tank mates like Clownfish, Firefish Goby, Royal Gramma, Yellowtail Damsel, and Scarlet Skunk Cleaner Shrimp. When acquired from, you're assured of a healthy and acclimated addition to your aquarium, backed by their commitment to sustainability and customer satisfaction.

Habitat and Compatibility:

Thriving in coral-rich waters of the Western Atlantic and Gulf of Mexico, the Sergeant Major Damsel is generally reef-safe but may nip delicate corals. It coexists well with various marine organisms.

Size and Lifespan:

With a compact 6-inch body and striking black and white stripes, the Sergeant Major Damsel lives over ten years with proper care, rewarding dedicated aquarists.

Diet in Captivity:

The Sergeant Major Damsel thrives on a balanced diet of marine pellets, frozen, and live foods like brine or mysis shrimp ensures vibrant coloration and overall health.

Compatibility and Temperament:

Moderately aggressive, the Sergeant Major Damsel suits community tanks with ample hiding spots to alleviate territorial disputes. Select tank mates with similar temperaments for harmony.

Tank Requirements:

A minimum 40-gallon tank accommodates the Sergeant Major Damsel’s active swimming and territorial tendencies. Stable water conditions (pH 8.1-8.4, salinity 1.020-1.025, temperature 72-78°F) mirror its natural habitat.

Common Names and Compatible Tank Mates:

Also known as the Reef Sergeant, suitable companions include:

Very nice reef fish. Sergeant Major Damsel cleans detritus in the live rock. Doesn't intrude on the reef. Easy keeper.

Reviewed by: Lia Mamorale on Sept. 12, 2021

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