The Arctic rockling (Gaidropsarus argentatus), also called the silver rockling or Arctic threebeard,[2][3] is a species of fish in the family Lotidae.

[4][5][6] The Arctic rockling's maximum length is 35 cm (14 in).

[8] The upper body is brown-red, its belly pink, there is a blue hue around its head, and the barbels and fin tips are red.

[2] Arctic rockling live in the northeastern Atlantic Ocean,[9] in very cold water, 0 °C (32 °F) or lower.

[2] Arctic rockling feed on decapod, amphipod, and euphausiid crustaceans, and fish.