CatchKeeper
The game fish

Atlantic Halibut

Hippoglossus hippoglossus

Also known as

  • Halibut US
  • White Halibut US
  • Giant Halibut US
  • Righteye Flounder US

Identification

A massive flat-bodied deepwater predator of the cold North Atlantic — wide muscular profile delivers extraordinary pulling power and brutal sustained resistance. Females out-size males dramatically.

  • Both eyes positioned on the right side after juvenile eye migration
  • Dark chocolate to olive-green upper side, pure white underside
  • Concave tail edge — a key separator from other large flatfish
  • Very large mouth extending well past the eye
  • Numerous sharp curved teeth on both upper and lower jaws

Where it holds

  • Offshore
  • Oceanic

Behaviour

A massive bottom-dwelling predator of the cold North Atlantic working sand, gravel, and clay bottoms in deepwater channels (200-500m, 3-5°C / 37-41°F) along shelf edges and between offshore banks. Strong age-related diet shift: smaller fish work crustaceans and worms on the bottom; trophy fish are obligate fish-eaters that occasionally rise into mid-water to chase herring and cod. Active across daylight hours; feeding peaks on slack water at the turn of the tide.

Diet: Herring, Cod, Haddock, Mackerel, Squid, Octopus, Large Crabs

How it's caught

Line Fishing

Drift Fishing

The signature Norwegian Lofoten and Senja approach — slow-drift over deepwater banks and shelf edges presenting a 30-50cm soft-plastic shad on a 500-1000g lead-head jig, or a whole mackerel/herring on a wire-tied stinger trace and 12/0-14/0 non-offset circle hook. Heavy jigging rod, 80lb braid, 200lb wind-on leader. Drift speed 0.5-1.5 knots; rig must tick the bottom continuously.

Bottom Fishing

An anchored or held-position approach over a known mark or seabed feature in 100-300m — present a whole mackerel, herring, or coalfish on a sliding-boom rig with a 1-2kg lead and a 12/0-14/0 non-offset circle hook on a 200lb wire-tied trace. Stout 5'11-7' standup rod, lever-drag conventional reel, 80lb braid. Keep the bait pinned to the bottom in the strike zone.

Jigging

A productive vertical approach over deepwater marks — drop a 400-1000g pirk, butterfly, or speed jig and work it with sharp lift-and-fall snaps within 2-3m of the bottom. Glow-finish jigs excel below 200m. Stout jigging rod, 65-80lb braid, 200lb wind-on leader. Tip the assist hook with a fresh herring or mackerel strip to add scent.

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