Species guide

How to catch Black marlin

Istiompax indica

Stylized 2D illustration of Black marlin
saltwatergame fishIstiophoridae

The black marlin is a massive and powerful saltwater gamefish known for its elongated body and incredible speed. It can grow up to 4.65 meters in length and weigh as much as 750 kilograms. Black marlin are highly mobile predators found mainly in tropical and subtropical oceans worldwide.

Where they live

Black marlin inhabit warm saltwater regions of the Atlantic, Pacific, Indian Ocean, and Mediterranean. They are found from the surface down to around 915 meters deep and move seasonally, concentrating in areas such as the Coral Sea and Banda Sea without following strict migration routes.

Typical size

Up to about 465 cm

What they eat

  • squid
  • small tuna species
  • dolphinfish
  • mackerel species
  • other medium-sized fish

Best baits

  • large live baitfish
  • chunk bait
  • squid strips

Best lures

  • large trolling lures
  • deep diving plugs
  • heavy jigs

How to fish for them

  • trolling
  • live bait fishing
  • deep jigging

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How to catch Black marlin | Bobbr