# Halibut (*uncultured bacterium 'halibut'*) Halibut is a flat fish that lives on the ocean floor. They can grow very large and are a popular catch for fishermen! - **Category:** [Fish](https://www.snappit.app/explore/categories/fish) - **Rarity:** Common - **Danger:** 2/5 · Low - **Habitat:** Ocean floor - **Also known as:** Alaska Halibut, Greenland Halibut ![Halibut](https://res.cloudinary.com/drieglelr/image/upload/v1771424262/objects/4701.jpg) ## Appearance The Halibut has a flattened, oval-shaped body with both eyes on its dark, mottled top side. Its upper side can be brown, grey, or greenish to blend with the seafloor, while its underside is stark white, making it a master of disguise. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Chordata - **Class:** Actinopterygii - **Order:** Pleuronectiformes - **Family:** Pleuronectidae - **Genus:** Hippoglossus ## Interesting facts - Halibut are the biggest flatfish in the entire ocean! - Some halibut migrate thousands of miles across the deep ocean. - Their name means "holy flatfish" because they were often eaten on holy days. - They can live to be over 50 years old, often in chilly waters! ## Special abilities - **Master of Disguise:** Halibut can change their skin color and pattern to perfectly match the ocean floor, helping them hide from predators and prey. - **Eye Wanderer:** Young halibut start with eyes on both sides, but one eye gradually moves to the top as they grow and flatten. - **Stealth Hunter:** Halibut lie perfectly still on the seabed, using their flat bodies to ambush unsuspecting fish that swim too close. ## Measurements & details - **Length:** 60-260 cm - **Weight:** 10-320 kg - **Lifespan:** 30-50 years - **Swim Speed:** 19 km/h - **Maximum Depth:** 2000 m - **Water Type:** Saltwater ## Diet & Feeding Halibut are fierce predators that gobble up other fish, crabs, and squid from the deep ocean floor. - **Age differences:** Young halibut start by eating small crustaceans before switching to a diet of larger fish and squid as adults. - **Primary Foods:** Atlantic Cod, Haddock, Crabs, Shrimp, Squid, Octopus - **Foraging Method:** Ambush ## Ecological connections - **Eaten by:** [Orca](https://www.snappit.app/explore/orca) (*Orcinus orca*) — Adult halibut can be prey for large marine predators. - **Hunts:** [Atlantic Cod](https://www.snappit.app/explore/atlantic-cod) (*Gadus morhua*) — Halibut are efficient hunters of smaller fish on the seabed. - **Eats:** Snow Crab (*Chionoecetes opilio*) — Halibut also feed on various crustaceans found on the seafloor. - **Eaten by:** [Human](https://www.snappit.app/explore/human) (*Homo sapiens*) — Halibut are a highly prized fish for human consumption. ## Traits - [Wildlife](https://www.snappit.app/explore/traits/wildlife): Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats. - [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care. - [Piscivorous](https://www.snappit.app/explore/traits/piscivorous): Piscivorous organisms are animals that primarily subsist on a diet of fish. - [Ancient Lineage](https://www.snappit.app/explore/traits/ancient-lineage): This trait signifies organisms belonging to a very old evolutionary group with ancestors dating back millions of years. - [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands. - [Giant](https://www.snappit.app/explore/traits/giant): Giant describes organisms or objects of significantly larger size than average for their species or type. - [Marine](https://www.snappit.app/explore/traits/marine): Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life. ## Collections - [Fish](https://www.snappit.app/explore/collections/fish) ## Safety **Danger:** 2/5 · Low Watch quietly from a distance and never try to feed or chase wild animals. ## Frequently Asked Questions ### How to identify Halibut? Look at body shape, where the fins sit and their outline, mouth position, stripes and spots. Young fish and breeding adults can wear different patterns, and aquarium color varieties can look nothing like wild fish. Fish Identifier: upload a photo and compare the visible details. ### How long is Halibut? 60-260 cm ### How much does Halibut weigh? 10-320 kg ### How long does Halibut live? 30-50 years ### What does Halibut eat? Halibut are fierce predators that gobble up other fish, crabs, and squid from the deep ocean floor. ### How fast can Halibut swim? 19 km/h ### Where is Halibut usually found? Ocean floor ### How does Halibut hunt? Ambush ## Where to spot - [Heal the Bay Aquarium](https://www.snappit.app/guides/places/heal-the-bay-aquarium) — California, US · Zoo ## More Fish - [Rainbow Trout](https://www.snappit.app/explore/rainbow-trout) (*Oncorhynchus mykiss*) - [Brown Trout](https://www.snappit.app/explore/brown-trout) (*Salmo trutta*) - [Brook Trout](https://www.snappit.app/explore/brook-trout) (*Salvelinus fontinalis*) - [Lake Trout](https://www.snappit.app/explore/lake-trout) (*Salvelinus namaycush*) --- Source: [Halibut: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/halibut)