Siganus doliatus – Barred Rabbitfish

Product Description

Barred Rabbitfish (Siganus doliatus) is an attractive herbivorous marine fish recognized for its distinctive vertical dark stripes and peaceful temperament. Native to the Indo-Pacific region, this species inhabits coastal reefs and lagoons where it feeds primarily on algae and plant material.

In marine aquariums, Siganus doliatus is valued for its algae-grazing behavior, helping control nuisance algae while adding movement and contrast with its bold striped pattern. Like other rabbitfish, it is generally calm and suitable for community aquariums with similarly peaceful species.

Rabbitfish possess venomous dorsal spines, which they use for defense. While they are not aggressive, care should be taken when handling or working inside the aquarium.

Key Features

Striking vertical black bars on a silver-yellow body

Effective grazer of filamentous and nuisance algae

Peaceful temperament suitable for community aquariums

Active swimmer that appreciates open space

Care Requirements

Minimum aquarium size: ~400 L

Temperament: Peaceful

Diet: Herbivore – algae, nori, spirulina foods, vegetable-based pellets, and frozen herbivore blends

Reef compatibility: Generally reef safe, but may nip at soft corals if underfed

Additional Notes

Provide a varied plant-based diet and plenty of swimming space. Like most rabbitfish, Siganus doliatus adapts well to aquarium life when properly acclimated and can become a very useful algae grazer in larger reef aquariums.

Approximate adult size: up to 20–25 cm.