The Sailfish is a spectacular fish not only in appearance but in performance - breaking into aerial jumps and leaps when hooked, making it a very popular sport fish, particularly on light tackle.

The body is a blue-purple above, yellowish-grey below and coppery-gold on its sides. The body and spectacular sail dorsal are spotted with dark and light blue spots along with body spots in vertical rows.

On the Great Barrier Reef they can reach weights of up to 50 - 60kg (130lbs) and a length of around 11 feet.

The Narrow Barred Spanish Mackerel is the largest of the Mackerels found on the Great Barrier Reef. Growing to just over 7ft and a maximum weight of 130lbs it is an excellent sport fish on light gear and provides good eating.

Colouring is a deep blue on top and silvery on the sides which carry narrow vertical bars. The dorsal fin is bright blue.

Smaller than its relative, the Narrow Barred Spanish Mackerel, the Spotted Mackerel is seen my some anglers to be better sport, weight-for-weight than that of its larger cousin.

Its spinous dorsal fin is bright blue in colour and its body features 4 bands of dark black spots (hence its name). It is more easily identified by these spots and with its pectoral fin being black on the inside. They can grow to approximately 10kg (22lbs) and up to a metre in length.

An excellent light and ultra-light tackle opponent, the Mackerel Tuna is found on inshore coral reefs and coastal waters.

Colouring is green/black above and white below with blotched spots near its pectoral fins and broken stripes above its lateral line.

Attaining a weight of up to 15kg (30lbs) it can reach up to 4ft in length.

The Yellowfin Tuna has a very streamlined robust body, narrowing down to a powerful tail. They are one of the fastest fish in our waters and like rocky areas around islands and deep water reefs.

It is dark blue on top and yellowy silver on the belly. The pectoral fins are black and its other fins are a bright yellow. They can reach weights of up to 90kg (200lbs) and average 20 to 30 kg off Cairns.

A very strong deep fighter than heads for reefs and other obstructions, this white-fleshed tuna is often hooked on heavy tackle rigged for big marlin. It has large curved teeth in both jaws and is a superb medium-heavy tackle opponent.

Its upper body is a purplish blue-black and lower body silver. Maximum size 135kg (300lb).

The Wahoo is renowned for its powerful swimming ability and is found along the coast and on the Barrier Reef. It is an ideal medium-light tackle species but can be caught on all weights and are often seen to strike and cut off marlin baits.

They can grow to a maximum weight of 90 kg (200lb) and their upper body is a dark blue with wavy stripes.

The Cobia resembles shark in appearance. It makes for excellent eating and is a very powerful and tenacious fighter found in most seasonal waters.

Its upper body is dark brown with two white long tail streaks and its lower body is lighter brown with a white belly. Attaining to a maximum weight of 70kg (150lb).

The Dolphin Fish (Mahi Mahi) is spectacular in appearance, performance and edibility. Found in Queensland coastal and reef waters the Dolphin Fish is a terrific fight for the fortunate angler. When caught it displays a beautiful change of alternate colourings - electric blues and greens and bright golds and silvers. Maximum weight of up to 45kg (100lb).

The Dolphin Fish is excellent eating and is characterised by its steep blunt forehead, especially well developed in the males.

he Giant Trevally is one of the largest in our Trevally species. It can grow to a length of 4ft inches and a weight of 35kg (80lb) and is distinguished by the count of rays along the dorsal fin and the round black spot on the gill cover.

It is more common in the northern, coastal and offshore waters of Queensland. Colouring is dark blue-green to gold above, softening to a yellow-green and silver below.