Species FishGiant Oarfish

Giant Oarfish

Regalecus glesne

Very rareFish
Illustration of Giant Oarfish (Regalecus glesne)

The Giant Oarfish is the longest bony fish in the world, capable of reaching lengths of up to 11 meters. Its ribbon-like body and dorsal fin give it a distinctive, undulating swimming style.

Habitat
Deep ocean waters, usually found at depths of 200 to 1,000 meters.
Diet
Primarily feeds on small fish and plankton.
How common
Very rare

Recent Giant Oarfish sightings near you

Live, research-grade observations from iNaturalist. Allow location to center the map on you.

Spot a Giant Oarfish? Identify it instantly.

Point Huck at any plant, bird, or animal for an instant ID, its rarity, and a live map of where it is being seen near you.

Get Huck

Get an alert when a Giant Oarfish is spotted

Pick a park, state, or city and we’ll email you when one turns up there. One check a day, only when there’s something new.

Free. Unsubscribe from any email. See our Privacy Policy.

Love fish? Get Huck field notes

Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.

By subscribing you agree to receive Huck emails. No spam, unsubscribe anytime. See our Privacy Policy.

More fish

Giant Trevally
Giant Trevally
Caranx ignobilis
Gilthead Seabream
Gilthead Seabream
Sparus aurata
Gizzard Shad
Gizzard Shad
Dorosoma cepedianum
Globefish
Globefish
Diodon nicthemerus
Goblin Shark
Goblin Shark
Mitsukurina owstoni
Gold Blotch Grouper
Gold Blotch Grouper
Epinephelus costae
Golden Damselfish
Golden Damselfish
Amblyglyphidodon aureus
Golden Rabbitfish
Golden Rabbitfish
Siganus guttatus