Scientific Name: Sphyraena helleri
Family: Barracudas - Sphyraenidae
Maximum Size: 85cm
Identification: Silvery; long cylindrical body and large underslung jaw with pointed teeth; pair of thin brassy stripes on sides.
Favourite: Form large daytime schools; disperse to feed at night.
Hide-out: Coastal, lagoon and outer reefs to 60m.
Location: Indo-Pacific - E. Africa to Hawaii and Pitcaim I. east of French Polynesia. S.W. Japan to Australia.
Brass Striped Barracuda
Golden Trevally
Scientific Name: Gnathanodon speciosus
Family: Jacks - Carangidae
Maximum Size: 140cm
Identification: Juveniles / Young Adults - Bright yellow to silver with 7-11 black bars are replaced by a few black patches or spots on adults; fins yellow.
Favourite: Small groups of juveniles to 5m often accompany large pelagic fishes. Tiny juveniles often with jellyfishes.
Hide-out: Coastal, lagoons and outer reefs.
Location: Indo-Pacific - Red Sea to far eastern Pacific.
Mackerel Scad
Scientific Name: Decapterus macarellus
Family: Jacks - Carangidae
Maximum Size: 35cm
Identification: Silvery, very slender, nearly cylindrical in cross section; small mouth, jaw does not extend below eye; black spot on edge of gill cover.
Favourite: Form large schools.
Hide-out: Coastal lagoons and outer reefs to 360m.
Location: Circumtropical.
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