The Goldlined Rabbitfish (Siganus lineatus), also known as the Golden-lined Spinefoot, is a vibrant marine fish recognized for its distinctive coloration and utility in algae control within aquariums. Belonging to the family Siganidae, this species is native to the Indo-Pacific region, inhabiting coral reefs and lagoons.
Key Information
• Small fish safe: ✅ Yes (generally peaceful)
• Small invertebrate safe: ⚠️ With caution (may consume desirable algae)
• Coral safe: ⚠️ With caution (may nip at large polyp stony corals or soft corals)
• Minimum tank size: 300 liters (79 gallons)
• Adult size: Up to 38 cm (15 inches)
• Diet: Primarily herbivorous, feeding on algae
• Be aware of: Venomous spines; handle with extreme caution
Appearance and Colouration
Siganus lineatus exhibits a striking appearance:
• Body Colouration: Light blue body adorned with metallic gold lines, dots, and dashes, with a prominent lemon-yellow blotch at the base of the tail.
Natural Habitat and Behaviour
In the wild, the Goldlined Rabbitfish is found in the Indo-Pacific region, inhabiting coral reefs and lagoons, often in shallow waters where they graze on algae-covered surfaces.
• Social Structure: Typically found in shoals, indicating a social nature.
Aquarium Care
When keeping Siganus lineatus in an aquarium, consider the following:
• Tank Size: A minimum of 300 liters (79 gallons) is recommended to accommodate their size and swimming needs.
• Aquascaping: Provide ample space for swimming along with hiding spots using live rock structures.
• Diet: Primarily herbivorous; feed a diet rich in marine algae and vegetable matter to maintain health and reduce the likelihood of coral nipping.
• Tank Mates: Generally peaceful; however, they may exhibit aggression towards conspecifics. Suitable tank mates include other non-aggressive species.
Due to their venomous spines, caution is advised during tank maintenance to prevent injury.
For more detailed information, consulting specialized ichthyological resources or databases is recommended.