Fish

Giant oarfish

Regalecus glesne

PacificAtlanticIndianSouthernArctic Found in 3 oceans

Tropical and temperate waters of all oceans

Depth

20 to 1,000 m, mostly 20 to 200 m

Size

Up to 8 m, perhaps more

Diet

Zooplankton, krill, small squid

Zone

Twilight zone · 200 – 1,000 m

Key facts

• It is the longest bony fish known.
• It often swims vertically, undulating its long red dorsal fin.
• Its strandings probably inspired legends of sea serpents.

Verified sources

1. FishBase, Regalecus glesne
2. FishBase, Regalecus glesne

In the game: To observe

In the same zone

Chambered nautilusNautilus pompilius Firefly squidWatasenia scintillans Glass squidFamily Cranchiidae Glass octopusVitreledonella richardi Dana octopus squidTaningia danae Glowing-arm squidOctopoteuthis deletron