Stonefish

The Stonefish is a tier 10 animal.

Mechanics

 * Lionfish evolve into stonefish.
 * 48,000 XP is required for a lionfish to evolve into a stonefish.
 * Stonefish do not evolve into any other animals, as they are one of the latest animals.
 * Stonefish drop meat upon death.
 * As a stonefish, friendly fire is turned off for all tier 1 animals: meaning you cannot damage them nor be damaged by them.
 * Despite friendly fire being turned off for all tier 1 animals, you can damage and even kill them with your barbs.

Passive Abilities

 * You are immune to poison.
 * You inflict poison to targets that hit you or get hit by you.
 * You can burrow through the ground, islands, and glaciers, but you lose oxygen.
 * Staying still while underground causes you to lose oxygen at 1/3 the normal rate.
 * You move slower while underground.

Suitable Biomes

 * The suitable biomes for the stonefish are the ocean and the ocean surface.
 * If a stonefish enters the arctic, it will lose temperature.
 * If a stonefish enters the arctic surface, it will lose temperature.
 * If a stonefish enters the deeeep, it will lose pressure.
 * If a stonefish enters the swamp, it will lose salinity.
 * If a stonefish enters the swamp surface, it will not regenerate salinity.

Diet
This is a complete list of food that stonefish can eat.

Hiding Places
Stonefish cannot hide anywhere as they are a tier 10 animal except technically the S. S. Deeeepio, but it will die due to pressure and temperature. However, digging can prove useful as a means of refuge or escape.

History
This section highlights all the changes made to the stonefish in documented updates so far. A full changelog can be found here.