MCS Arthropods

MCS Arthropods

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

by
4.4K Downloads
datapackfabricforgeneoforgequiltadventuregame-mechanicsmobs
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Screenshots

MCS Arthropods Screenshot 1

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

Available Versions

26.1v1 [Mod]release
MC 26.1, 26.1.1fabric, forge, neoforge, quilt
April 4, 2026
26.1v1 [DP]release
MC 26.1, 26.1.1datapack
April 4, 2026
v2.2 [Mod]release
MC 1.21.11fabric, forge, neoforge, quilt
March 3, 2026
v2.2 [DP]release
MC 1.21.11datapack
March 3, 2026
v2.1.3 [Mod]release
MC 1.21.6, 1.21.7, 1.21.8fabric, forge, neoforge, quilt
July 11, 2025

How to Install MCS Arthropods on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set datapack Loader

In the panel under "Egg", select the datapack loader and matching Minecraft version (26.1.1).

3

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

datapackfabricforgeneoforgequilt

Minecraft Versions

26.1.1, 26.1, 1.21.11 (+13 more)

Server-side

Required

Recommended 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.

Rent Modded Server

Install MCS Arthropods with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
Creative Commons Attribution 4.0 International
Server-side
Required

Supported Versions

26.1.126.11.21.111.21.81.21.71.21.61.21.51.21.41.21.31.21.2+6 more