Expect to Catch

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  • elongate body with a long stout bill that is rounded in cross section
  • has two dorsal fins
  • height of the first dorsal fin is less than the depth of the body
  • there are two anal fins, a lunate caudal fin and two strong keels on the side of the caudal peduncle
  • blue-black above and silvery below
  • blade-shaped pectoral fins can be depressed against the side of the body

Mahi Mahi

  • brilliant metallic blue-green on the back (colour fades rapidly upon death)
  • sides are silvery with golden sheen, with one or more rows of dark spots or golden blotches running below the dorsal fin (on and below the lateral line, some scattered irregularly)
  • black dorsal and anal fins (anal fin has a white edge)
  • pale pectoral fins
  • caudal fin is silvery with golden sheen
  • with juveniles, the tips of caudal fin lobes are white and the pelvic fins are black
  • 100 cm common length, 210 cm maximum total length


  • iridescent bluish-green back
  • numerous dark vertical bars on sides which extend to below lateral line
  • large mouth (fold of skin covers mandible when closed)
  • 80 cm common length, 210 cm maximum fork length

Yellowfin Tuna

  • dark metallic blue back
  • yellow to silver belly, frequently crossed by about 20 broken, nearly vertical lines
  • second dorsal fin, anal fin, dorsal finlets and anal finlets are bright yellow; the finlets have a narrow black border
  • 150 cm common length

Mackerel (Spanish or Spotted)


  • numerous thin, wavy vertical bands on body (number of bars
  • increases from as few as 20 in a 40 cm specimen, to as many as 65 in a 150 cm specimen)
    iridescent blue-grey back
  • silver sides with bluish reflections; juveniles frequently spotted
  • 50 cm to 80 cm common fork length, 120 cm maximum fork length (at a maximum weight of about 30 kg)


  • dark blue along the upper half of the body
  • fading to brownish-blue on the lower sides to silver white on the belly
  • first dorsal fin is high, sail-like and blue-black, and covered in many small black spots
  • retains high dorsal fin throughout life
  • other fins are silver blue
  • on sides there are 15 to 20 vertical bars consisting of several small spots

For more information regarding fish species caught within Queensland waters, please visit the Department of Employment, Economic Development and Innovation (Queensland Primary Industries and Fisheries) website. The above species information and images have been taken from the Fisheries section of the DPI website.

Gold Coast Fishing Charters supports responsible fishing practices. Please revise the ‘Recreational Fishing Size and Bag Limits for Queensland’ before you next head out.