Overview

Hippoglossus is a genus of large, flat-bodied righteye flounders comprising two species: the Atlantic halibut (Hippoglossus hippoglossus) and the Pacific halibut (Hippoglossus stenolepis). Both are prized for their firm, white, mild-flavored flesh with a low oil content relative to other flatfish. They are among the largest of all flatfish, with Pacific halibut regularly reaching over 100 kilograms.

Origin and history

Atlantic halibut ranges from the cold waters of the North Atlantic, from Labrador to the Bay of Biscay, while Pacific halibut inhabits the North Pacific from California to the Bering Sea and Japan [1][2]. Both species have been commercially fished for centuries, with Atlantic halibut stocks severely depleted by the mid-20th century due to overfishing. Pacific halibut fisheries, managed jointly by the United States and Canada under the International Pacific Halibut Commission since 1923, are considered among the best-managed groundfish fisheries in the world [2]. The genus name Hippoglossus derives from Greek, combining “hippos” (horse) and “glossa” (tongue), a reference to the fish’s shape.

Varieties and aliases

  • Atlantic halibut (Hippoglossus hippoglossus) – listed as Endangered by the IUCN.
  • Pacific halibut (Hippoglossus stenolepis) – considered Least Concern by the IUCN.
  • No widely recognized regional aliases in English beyond “halibut”

Culinary uses

Halibut is valued for its dense, flaky white flesh that holds up well to a variety of cooking methods including grilling, pan-searing, baking, and poaching. The mild flavor makes it a versatile protein that pairs with both delicate and robust sauces. Pacific halibut is commonly grilled or pan-seared in North American preparations, often with citrus, herb, or compound butter finishes. The cheeks and collars are considered delicacies. Halibut is also used in ceviche and raw preparations when very fresh.

Cross-cuisine context

Halibut has no direct analogue in Mexican cuisine, where the most commonly consumed flatfish are smaller species such as sole (lenguado) and flounder. In Japanese cuisine, Pacific halibut is called ohyo; hirame refers to a different flatfish (olive flounder). It is used in sashimi, sushi, and simmered dishes. In Korean cuisine, halibut (often referred to by its English name or as daegwang-uh, though this is ambiguous) appears in raw preparations (hoe) and in spicy fish stews (maeun-tang). In Filipino cuisine, halibut is not traditional but may appear in modern restaurants as a substitute for lapu-lapu (grouper) in steamed or fried preparations.

Notes for cooks

  • Halibut dries out quickly when overcooked. Cook to an internal temperature of 54°C (130°F) for moist results.
  • The skin is edible but can be tough; it is often removed before cooking or scored to prevent curling.
  • Frozen halibut is widely available and can be of high quality if flash-frozen at sea. Thaw slowly in the refrigerator.