Pterocaesio trilineata (Carpenter, 1987)
Uncommon in the Solitary Islands Marine Park. Distributed throughout the Indo-Pacific region. In Australia recorded from offshore reefs in northern Western Australia, throughout Queensland south to northern New South Wales.
Frequents clear water offshore coral reefs. Depth to at least 30m.
Feeds on zooplankton in the water column, in small to large aggregations. Individuals may school with other fusilier species. Slender body has three dark green/brown stripes and tail lobes have broad red/brown tips. More common Pterocaesio digramma has similar tail but only two yellow body stripes. Grows to 30cm, commonly 20cm.