Overview:
Yellowhead Jawfish (Opistognathus aurifrons) are small, vibrant marine fish known for their distinctive yellow heads and burrowing behavior. They thrive in a well-maintained aquarium that mimics their natural reef habitat. A tank of at least 30 gallons is recommended, with a deep sandy substrate of 4-6 inches to allow for burrowing. The tank should have plenty of live rock for hiding and a secure lid, as they are known jumpers. Water parameters should be stable, with a temperature range of 72-78°F, pH between 8.1-8.4, and specific gravity of 1.020-1.025. Good water quality is crucial, so regular maintenance and filtration are essential.

Compatibility:
Yellowhead Jawfish are generally peaceful and can be kept with other non-aggressive species. Ideal tankmates include small, peaceful fish such as gobies, blennies, and certain wrasses. Avoid housing them with aggressive or territorial species that may outcompete them for food or disturb their burrows. They can be kept singly or in pairs, but if keeping multiple jawfish, ensure the tank is large enough to provide each with its own burrowing space to prevent territorial disputes.

Health and Quarantine:
Maintaining optimal water quality is key to preventing common health issues such as bacterial infections and parasites. Regular water changes and monitoring of water parameters are essential. Quarantine new additions for at least 2-4 weeks to prevent the introduction of diseases. During quarantine, observe for signs of stress or illness, such as rapid breathing, lack of appetite, or unusual swimming behavior. Treat any detected issues promptly with appropriate medications. Providing a stress-free environment with plenty of hiding spots will help support their immune system and overall well-being.