Foxface Lo - Siganus vulpinus
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The Foxface Lo (Siganus vulpinus), also known as the Foxface Rabbitfish, is a striking saltwater fish with a bright yellow body, dark face mask, and sharp venomous spines. This semi-aggressive species adds both color and personality to larger reef aquariums.
Common Name: Foxface Lo
Scientific Name: Siganus vulpinus
Family: Siganidae
Size: Up to 7 inches (18 cm)
Temperament: Semi-aggressive
Difficulty: Moderate
Reef Safe: With caution
Native Region: Found throughout the Western Pacific, including the Philippines, Indonesia, and Micronesia, typically inhabiting lagoon and reef slope habitats with abundant hiding spots.
Tank Size: Minimum of 75 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate/Decor: Provide plenty of live rock for grazing and hiding; maintain open swimming areas for activity.
• Diet: Herbivorous—feeds on algae, seaweed, and supplemented with meaty foods as needed.
• Behavior: Semi-aggressive; may defend territory but generally peaceful with larger fish.
• Tankmates: Compatible with most reef-safe fish; avoid slow or very small species that may be harassed.
• Caution: Possesses venomous spines; handle with care during maintenance.