Gnathanodon speciosus, commonly known as the Golden Trevally, is a captivating and active species from the Carangidae family. This extra large tank-bred specimen offers marine aquarists a chance to keep a healthy, sustainably sourced fish with vibrant markings and engaging behaviour.
Care Level: Moderate to advanced. This species requires a well-established aquarium with stable water parameters and ample swimming space.
Temperament and Compatibility: Generally peaceful but can become territorial with conspecifics or smaller tankmates. Best kept with similarly sized or larger non-aggressive species. Avoid housing with very small or timid fish.
Diet: Carnivorous. Feed a varied diet including high-quality marine pellets, frozen or live meaty foods such as shrimp, squid, and small fish. Regular feeding supports optimal health and vibrant colouration.
Minimum Tank Size: Due to their active swimming nature and potential adult size, a minimum tank volume of 500 litres is recommended to provide sufficient space.
Lighting and Water Flow: Standard reef aquarium lighting is suitable. Moderate to strong water flow mimics natural habitats and supports fish health.
Placement: Provide open swimming areas with some rockwork or structures for shelter. Ensure the tank is securely covered as this species is known to be an agile jumper.
Origin: Tank-bred in controlled aquaculture facilities, ensuring sustainable sourcing and reduced wild collection impact.
Maximum Size: Can grow up to approximately 70 cm in captivity, though size may vary.
Gnathanodon speciosus is a striking addition to large marine aquariums, combining impressive appearance with engaging behaviour. Proper husbandry and tank conditions are essential for long-term success.
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