Carangidae

Blue trevally

Ferdauia ferdau

Carangid Fish beneath the Red Sea

• Blue
• Tropical
• Transcontinental
• Indian Ocean
• Pacific Ocean
• Africa
• Fusiform
• Compressed cross-section
• Large
• Tropical fish

The blue trevally (Ferdauia ferdau), also known as the banded trevally, barred trevally, Ferdau's trevally or Forskaal's jackfish, is a common, widespread species of pelagic marine fish classified in the jack family, Carangidae. The blue trevally is distributed throughout the tropical and subtropical waters of the Indo-Pacific and central Pacific regions, ranging from South Africa in the west to Hawaii in the east. It is a moderately large fish, growing to a recorded maximum length of 70 cm, with the number of rays in the second dorsal fin and the colouring serving as diagnostic features of the species.