Nautiluses are neutral aquatic mobs introduced in the Mounts of Mayhem update (Java Edition 1.21.11 / Bedrock Edition 1.21.130). They spawn in ocean biomes and can be tamed into loyal underwater mounts that dash through the depths, protect riders from drowning with the Breath of the Nautilus effect, and even wear custom armor.
Table of Contents
1. Finding Nautiluses
Nautiluses spawn naturally in all ocean biomes (normal, deep, cold, lukewarm, warm, frozen) between Y levels 38 and 58.
| Biome Type | Spawn Chance | Group Size |
|---|---|---|
| Ocean | 50% | 1–3 |
| Deep Ocean | Varies | 1–3 |
| Other Oceans | Lower | 1–3 |
Tips: Use a boat or swim in warm/lukewarm oceans for higher chances. In Bedrock Edition, there's a 10% baby spawn rate. They swim with tentacles/mouth facing backward and are immune to poison.
Zombie Nautilus Variant: A rare undead version (sometimes coral-patterned in warm oceans) that spawns as a "jockey" ridden by a drowned. It behaves like a regular nautilus but can't be bred.
2. Taming a Nautilus
Untamed nautiluses are neutral—they won't attack unless provoked but may dash at pufferfish or retaliate if hit.
Steps:
- Gather Pufferfish: Fish in lukewarm/deep lukewarm oceans (highest spawn rate). You'll need several—each has a 1/3 taming chance.
- Approach Carefully: Hold a pufferfish or bucket of pufferfish. Nautiluses follow players holding any fish/bucket within 10 blocks.
- Right-Click Feed: Feed pufferfish/bucket until hearts appear (tamed!). Babies can't be tamed.
- Name It (Optional): Use a name tag for persistence.
Taming Odds: ~3 feeds on average. Tamed nautiluses become passive and follow their owner.
Zombie nautiluses tame the same way.
3. Riding Your Nautilus
Tamed adult nautiluses (not babies) can be saddled for underwater riding. They move slowly on land but can dash/beach themselves.
Steps:
- Saddle Up: Right-click with a saddle (crafted from leather or found in dungeons). Or access inventory (sneak + right-click) and place it in the saddle slot.
- Mount: Right-click the saddled nautilus.
Controls:
| Action | Key | Effect |
|---|---|---|
| Move | WASD | Swim forward/back/strafe |
| Dash | Space (hold) | Charge bar fills → burst speed (like camel dash) |
| Dismount | Shift | Exit ride |
| Ascend Surface | Look up | Breaches water surface |
Breath of the Nautilus: Rider's oxygen bar freezes underwater (blue HUD outline in Java).
Stats: 15 HP (7.5 hearts), attacks 2.5–4.5 damage (difficulty-based).
Inventory Access: While mounted or sneaking.
Remove Saddle/Armor: Shears (2 uses: armor first, then saddle) or inventory.
4. Breeding Nautiluses
Breed tamed adult nautiluses to get babies!
Steps:
- Prepare Food: Any raw/cooked fish or fish bucket (cod, salmon, tropical, pufferfish).
- Feed Two Adults: Right-click each love-mode nautilus. Hearts + baby spawn!
- Baby Growth: 20 minutes (24,000 ticks). Speed up:
- Java: Each fish reduces by 10%.
- Bedrock: 10 fish/buckets fully mature.
Healing: Fish also heal adults (2–12 HP based on type; pufferfish heals 2 HP, no poison on tamed).
Note: Zombie nautiluses cannot breed.
5. Caring for Your Nautilus Fleet
- Nautilus Armor: Exclusive tiered armor (crafted/upgraded) for protection. Equips in armor slot via inventory. Drops on death.
- Drops on Death: 0–1 nautilus shell (5% base, +Looting), 1–3 XP, saddle/armor.
- Persistence: Any interaction (feed, saddle) makes them persistent.
- Advancements: Contributes to "Best Friends Forever" (tame), "Two by Two" (breed), "How Did We Get Here?" (effects).
Pro Tips
- Farming Shells: Breed a farm for infinite shells (conduits/turtles).
- Combat: Tamed nautiluses retaliate/protect riders.
- Exploration: Pair with Depth Strider boots + Respiration helmet for elite ocean runs.
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