Siganus Vulpinus (The Foxface Rabbitfish)

Overview

• Native to the Indo-Pacific, commonly found in coral reefs, lagoons, and coastal reef slopes.
• Recognized for its striking yellow body, black-and-white facial mask, and elongated snout resembling a fox.
• A hardy and adaptable species, making it a great choice for both beginner and experienced aquarists.
• Possesses venomous dorsal spines, which serve as a natural defense mechanism against predators.
• Best suited for aquariums with ample swimming space, live rock formations, and stable water conditions.

Feeding

• Herbivorous, primarily grazing on algae, seagrass, and marine plant material in the wild.
• Requires a diet rich in seaweed, spirulina, algae-based pellets, and fresh marine greens.
• Acts as a natural algae controller by continuously grazing on unwanted algae in the aquarium.
• Should be fed multiple times per day to maintain optimal digestion and energy levels.
• A balanced diet supports strong immune function and enhances vibrant coloration.

Habitat

• Prefers reef-associated environments with moderate water flow and an abundance of grazing surfaces.
• Often seen swimming near coral formations and rocky outcroppings in search of algae.
• Aquarium setups should include live rock structures to encourage natural grazing and provide shelter.
• Requires stable water parameters and efficient filtration to maintain optimal health.
• Providing open swimming areas allows the fish to exhibit its natural behavior.

Fish Care

• Optimal water temperature: 74-80°F (23-27°C) to ensure proper metabolic function.
• Preferred pH range: 8.1-8.4, with a salinity level of 1.020-1.025.
• Requires regular water changes and algae control to prevent excess buildup.
• Generally reef-safe but may nibble on soft corals if underfed or lacking plant-based foods.
• Providing a well-balanced diet and structured habitat reduces stress and supports longevity.

Compatibility

• Peaceful but may display territorial behavior toward similar species.
• Compatible with tangs, angelfish, wrasses, and other herbivorous fish.
• Should not be housed with overly aggressive fish that may harass or stress it.
• Thrives in an aquarium with structured grazing areas and compatible tankmates.
• Providing adequate space and hiding spots helps maintain harmony in the tank.

Aquarium Behavior

• An active swimmer that constantly grazes on algae and interacts with its environment.
• Frequently observed swimming in open water while browsing on rock surfaces.
• More confident in a well-established aquarium with ample grazing opportunities.
• Providing structured rockwork and shaded areas supports natural behaviors.
• Over time, it may become familiar with its caretaker and display excitement during feeding times.