Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Perciformes
- Family
- Lotidae
- Genus
- Brosme
- Species
- brosme
Habitat
Cusk primarily inhabit the cold, deep waters of the North Atlantic Ocean, often on rocky or muddy substrates at depths of 100 to 1,000 meters. They prefer continental shelves and slopes with strong currents, avoiding shallow or warm waters. This species is adapted to low-light environments typical of the benthic zone.
Diet
Cusk feed mainly on small fish, crustaceans like shrimp and crabs, and mollusks such as squid. They are nocturnal predators that hunt along the sea floor, using ambush tactics in crevices. Feeding activity peaks at night when visibility is low.
Behavior
Cusk are solitary and territorial, often hiding in rock crevices or under ledges during the day and becoming more active at night to forage. They exhibit minimal social interactions and are generally sedentary, moving only to hunt or avoid threats. This species is known for its ability to remain still for extended periods, blending into its surroundings.
Fishing
Target cusk, a deep-water species prized for its challenge and as a food fish, using bottom fishing techniques with heavy tackle to reach depths of 100 to 1,000 meters in the cold North Atlantic waters off Norway, Europe, and parts of Australia; deploy strong, braided lines (at least 50-80 lb test) on robust rods with conventional reels, paired with large sinkers to hold the bottom, and use bait like shrimp, crabs, or small fish to mimic their natural diet, as they are nocturnal ambush predators—cast and wait patiently, especially at night when they are most active. The best season is summer during spawning, with peak bites after dusk in areas of rocky or muddy substrates on continental shelves and slopes, helping anglers contribute to conservation through license fees that fund habitat protection and population monitoring for this Near Threatened species, where effective management tools like catch limits ensure sustainable stocks. Record sizes include IGFA all-tackle records around 37 pounds 14 ounces, underscoring the thrill of landing these sizable fish while supporting regulated fishing programs that protect marine ecosystems.
Conservation Status
Listed as Near Threatened by IUCN.