Obsidifish are a type of pre-Hardmode () / Hardmode ( ) fish which are found very rarely by fishing in any biome in any layer, but only in lava. They are used to craft Seafood Dinners, Inferno Potions, and Potions of Return.
- As Obsidifish are only caught in lava, the Lavaproof Fishing Hook, Hotline Fishing Hook, or any pole using Underworld Critters as bait can be used to catch them.
- Desktop 1.3.1: Sprite updated.
- Desktop 1.2.4: Introduced.
- Console 1.07: Introduced.
- Switch 1.0.711.6: Introduced.
- Mobile 1.2.11212: Introduced.
- 3DS-Release: Introduced.