Distribution and Habitat
The blue trevally has a wide distribution, inhabiting the tropical and subtropical waters of the Indian, West Pacific and Central Pacific Oceans. It ranges from South Africa in the west, north along the east African coast to the Red Sea and across to India and South East Asia. The species ranges south to Australia and Indonesia, and as far as Japan, Hawaii and a number of Pacific island including Micronesia, New Caledonia and Tonga.
The blue trevally prefers coastal waters to a depth of 60 m, where it inhabits reefs, beaches, lagoons and deeper sandy substrates. The fish is reported to prefer waters adjacent to sandy beaches. The species lives pelagically, allowing movement between islands and atolls. The species is rarely found in estuaries, suggesting a poor tolerance to low salinities.
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