Rachycentron canadum, commonly known as the Cobia, is a striking large marine fish prized for its streamlined shape and active swimming habits. Due to its considerable adult size and energetic nature, it is best suited for experienced marine aquarists with ample tank space.
Care Level: Advanced. The Cobia requires stable water parameters, excellent filtration, and a spacious aquarium to thrive.
Temperament and Compatibility: Generally peaceful but active, the Cobia can coexist with other large, robust fish. Avoid housing with small or timid species as it may outcompete them for food. Suitable tankmates include other large predatory or semi-aggressive fish.
Diet: Carnivorous. Feed a varied diet of high-quality meaty foods such as chopped seafood, crustaceans, and specialised marine pellets. Regular feeding is essential to support its rapid growth and active lifestyle.
Minimum Tank Size: A minimum of 1000 litres (approximately 220 gallons) is recommended to accommodate its size and swimming needs.
Lighting and Water Flow: Standard marine aquarium lighting is sufficient. Moderate to strong water flow mimics its natural environment and supports its health.
Placement: Provide open swimming areas with some hiding spots created by rockwork or structures. Ensure the tank is securely covered as this species is known to be a strong jumper.
Origin: Not Provided.
Maximum Size: Can grow up to 1.8 metres in the wild; in captivity, expect a large adult size requiring significant space.
Reef Safety: No. The Cobia is not reef safe due to its predatory nature and size.
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