

One Spot Foxface — Siganus unimaculatus
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Care at a glance
- Care level
- Moderate
- Temperament
- Generally peaceful; cautious with rabbitfish
- Reef compatibility
- With caution
- Adult size
- 8 in
- Recommended tank
- 100+ US gal
- Origin
- Ask about the current lot
- Diet
- Herbivore
- Suggested foods
- Nori, marine algae and varied marine foods
Look for the dark spot high on the rear flank, above the yellow body and behind the black-and-white face. Siganus unimaculatus is a marine rabbitfish that grazes on algae.
Detailed care
- Adult size: About 8 in.
- Our recommended adult aquarium: 100+ US gallons with open swimming space and rockwork for shelter.
- Reef compatibility: With caution. Individuals may nip at corals, including some LPS and soft corals.
- Feeding: Offer marine algae or nori regularly alongside a varied diet of marine foods.
- Handling: Venomous spines. Avoid direct contact when transferring the fish or working in the aquarium.
François Neo’s advice
I choose a foxface for its grazing behavior and adult fit in the aquarium. Make sure it has reliable access to food and observe how it behaves around your corals and other rabbitfish.
S, M and L refer to purchase size. Ask us for current measurements. The photo represents the species.
Photo by Rickard Zerpe under CC BY 2.0.
Compare Foxface & Rabbitfish
Foxface Lo
Adult size: about 9 in
Recommended aquarium: 125+ US gal
Magnificent Foxface
Adult size: about 9 in
Recommended aquarium: 130+ US gal
Fiji Bicolor Foxface
Adult size: about 10 in
Recommended aquarium: 130+ US gal
Two Barred Rabbitfish
Adult size: about 11 in
Recommended aquarium: 120+ US gal
Gold Spotted Rabbitfish
Adult size: about 12 in
Recommended aquarium: 180+ US gal
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