The Golden Trevally is a valuable reef-associated marine fish known for its rapid growth, tasty flesh, and vibrant golden coloration in juveniles. It holds great promise for aquaculture and aquarium trade.
Scientific Name
Gnathanodon speciosus
Habitat
Reef-associated tropical waters of the Indian and Pacific Oceans. Found commonly around sharks and large groupers, especially as juveniles.
Conservation
Listed as Least Concern but localized declines reported due to overfishing in some regions.
Lifespan
Typically up to 8–10 years in the wild.
Fun Fact
Juvenile Golden Trevallies often follow sharks or large fish for protection and camouflage, mimicking their movements.
Diet
Bottom feeder – feeds on crustaceans, mollusks, small fish, and benthic invertebrates.
Average Size
Can reach up to 120 cm (47 inches) in length. Juveniles are often much smaller and golden in color.
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of the Golden Trevally?
Golden Trevally can live up to 10–15 years in the wild and somewhat less in captivity.
What do Golden Trevally eat?
They are carnivores, feeding on small fish, shrimp, and other invertebrates.
Are Golden Trevally aggressive?
They are generally peaceful but require large space and may chase smaller fish when cramped.
What is the ideal tank size for Golden Trevally?
A very large tank of at least 250 gallons is recommended due to their fast growth and active swimming.
Do Golden Trevally need a reef environment to survive?
No, but they prefer open swimming areas with good water flow and hiding spots.
How big do Golden Trevally grow?
Golden Trevally can grow up to 48 inches (122 cm) in the wild, though usually smaller in aquariums.
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