Bicolored Foxface (Siganus uspi)

Fish in the family Siganidae. Moderate care. Not Reef Safe.

Bicolored Foxface

Quick facts

Scientific nameSiganus uspi
FamilySiganidae
Also known asBicolored Foxface, Uspi Rabbitfish
Care levelModerate
Reef safetyNot Reef Safe
TemperamentPeaceful
Dietherbivore
Adult size10 in
Minimum tank size75 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

The Bicolored Foxface is characterized by a bright yellow head and upper body transitioning to white or pale gray on the lower half and tail. It has a small mouth, spiny dorsal fin, and venomous spines on its dorsal and anal fins that serve as a defense mechanism.

Diet and feeding

Primarily grazes on algae and marine plants in captivity. Offer varied vegetable matter including seaweed sheets, spirulina-based foods, and quality herbivore flakes. Supplement with occasional vitamin-enriched foods to support immune health.

Difficulty and care for the Bicolored Foxface

Moderate - Highly distinctive and popular foxface variant. Best suited for intermediate aquarists.

Common health issues

Marine ich, Fin rot, Swim bladder disorder, Bacterial infections, Parasitic infestations

Origin and habitat

Indo-Pacific region from the Great Barrier Reef to the Philippines and Indonesia.

Keeper notes

Highly distinctive and popular foxface variant. Excellent algae eater. Venomous dorsal spines - handle with care.

Log Bicolored Foxface in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Bicolored Foxface alongside everything else in your reef.