
MCS Arthropods
This datapack improves arthropods, makes them more interesting and adds new types of spiders!
Screenshots

About this Mod
Main Information
- Creator and Developer: [MC Silver]
- Minecraft Versions: 1.19.4+
- WIKI Version: 26.1v1
- For datapack developers: My datapack ignores all mobs that use data! (1.21.5+)
For custom mobs, use data; for non-custom mobs, use tags/scores! - WARNING! (for PaperMC and PurpurMC Hosters):
This datapack will only work correctly if you only change the below settings.
Head over to your server, and go to "config/paper-world-defaults.yml" or "purpur.yml" file.
Find this "allow-non-player-entities-on-scoreboards" and set that to true
Commands
All commands available to the player starts with /function .
Menu
- /function .menu:mcs_arthropods
Uninstall
- /function .uninstall:mcs_arthropods
Mobs
- ⚠️ Arthropods are immune to fall damage.
- ⚠️ Arthropods take drowning damage in water.
Silverfish
Basic information
- Drops: Iron Nugget (0-1)
Natural Spawning:
- Overworld; Height: from -16 to 48; Spawn Chance: 10%
- Stronghold; Spawn Chance: 50%
Endermite
Basic information
- Drops: Chorus Fruit (0-1)
Aggressive Bee
Basic information
- Health: 16 ❤️
Behavior:
- Attacks other mobs
- Regeneration
- Infinite stung
- Ignores entity, if it wears 1 peice of chainmail armor
Natural Spawning:
- Overworld; replaces Spider with 5% chance, (0-5)
Cave Spider
Natural Spawning:
- Overworld; Height: from -32 to 32; Spawn Chance: 10%
- Mineshafts; Spawn Chance: 50%
[Spiders]
- ⚠️ Spider has 5% chance to spawn as special.
- ⚠️ Spiders can hang upside down from the ceiling.
Cobweb Spider
Basic information
- Armor: 12 🛡️
- Chance: 1.25% ☁️
Abilities
- Sets entities to the cobweb
Regen Spider
Basic information
- Armor: 12 🛡️
- Chance: 1.25% ☁️
Abilities
- Provides regeneration and instant health effects within an 8 block radius to it allies
- Removes the regeneration effect from its target
Poisonous Spider
Basic information
- Armor: 12 🛡️
- Chance: 1.25% ☁️
Abilities
- Summons area effect cloud of poison
Sneaky Spider
Basic information
- Armor: 12 🛡️
- Chance: 1.25% ☁️
Abilities
- Becomes invisible
Arthropods size
Those stats are applies to all arthropods expect bee, regular spider just has 4 more health!
Size: -40%
- Health: 4
- Movement Speed: 0.4
- Attack Damage: 1
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -35%
- Health: 5
- Movement Speed: 0.39
- Attack Damage: 1.25
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -30%
- Health: 6
- Movement Speed: 0.38
- Attack Damage: 1.5
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -25%
- Health: 7
- Movement Speed: 0.37
- Attack Damage: 1.75
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -20%
- Health: 8
- Movement Speed: 0.36
- Attack Damage: 2
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -15%
- Health: 9
- Movement Speed: 0.35
- Attack Damage: 2.25
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -10%
- Health: 10
- Movement Speed: 0.34
- Attack Damage: 2.5
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: -5%
- Health: 11
- Movement Speed: 0.33
- Attack Damage: 2.75
- Knockback Resistace: 0
- Spawn Chance: 3.5%
Size: Default
- Health: 12
- Movement Speed: 0.32
- Attack Damage: 3
- Knockback Resistace: 0
- Spawn Chance: 39%
Size: +5%
- Health: 14
- Movement Speed: 0.31
- Attack Damage: 3.25
- Knockback Resistace: 0.05
- Spawn Chance: 3.5%
Size: +10%
- Health: 16
- Movement Speed: 0.3
- Attack Damage: 3.5
- Knockback Resistace: 0.1
- Spawn Chance: 3.5%
Size: +15%
- Health: 18
- Movement Speed: 0.29
- Attack Damage: 3.75
- Knockback Resistace: 0.15
- Spawn Chance: 3.5%
Size: +20%
- Health: 20
- Movement Speed: 0.28
- Attack Damage: 4
- Knockback Resistace: 0.2
- Spawn Chance: 3.5%
Size: +25%
- Health: 22
- Movement Speed: 0.27
- Attack Damage: 4.25
- Knockback Resistace: 0.25
- Spawn Chance: 3.5%
Size: +30%
- Health: 24
- Movement Speed: 0.26
- Attack Damage: 4.5
- Knockback Resistace: 0.3
- Spawn Chance: 3.5%
Size: +35%
- Health: 26
- Movement Speed: 0.25
- Attack Damage: 4.75
- Knockback Resistace: 0.35
- Spawn Chance: 3.5%
Size: +40%
- Health: 28
- Movement Speed: 0.24
- Attack Damage: 5
- Knockback Resistace: 0.4
- Spawn Chance: 3.5%
Compatibility
- This datapack should be compatible with almost all other datapacks
- If you experience compatibility issues, feel free to contact me on Discord
Links
- Planetminecraft
- Discord Channel
- Patreon
- PayPal
- YouTube
- Discord: MC Silver#4202
Available Versions
How to Install MCS Arthropods on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set datapack Loader
In the panel under "Egg", select the datapack loader and matching Minecraft version (26.1.1).
Install Mod
Open the mod browser in the dashboard and search for "MCS Arthropods". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
26.1.1, 26.1, 1.21.11 (+13 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
MCS Arthropods server crashes on startup – what to do?
Most common cause: wrong datapack version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (26.1.1). You can switch loaders with one click in the panel.
Is MCS Arthropods compatible with datapack and fabric and forge and neoforge and quilt?
MCS Arthropods officially supports datapack, fabric, forge, neoforge, quilt for Minecraft 26.1.1, 26.1, 1.21.11. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with MCS Arthropods – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if MCS Arthropods consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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