Home >Game Mastering >Bestiary >Creatures by Type >Vermin >Space Vermin >

Asteroid, Louse

Asteroid Louse CR 1/2

XP 200
N Small vermin
Init +2; Senses darkvision 60 ft.; Perception +4


EAC 10; KAC 12
Fort +4; Ref +2; Will +0
Defensive Abilities void adaptation; Immunities acid


Speed 30 ft., climb 30 ft.
Melee attach +6 or bite +6 (1d6+1 P)
Offensive Abilities break objects


Str +1; Dex +2; Con +3; Int —; Wis +0; Cha –4
Other Abilities caustic remains, consume objects, mindless


Break Objects (Ex)

When attacking an object, an asteroid louse treats that object’s hardness as 10 lower.

Caustic Remains (Ex)

The remains of an asteroid louse are caustic and stay so for 5 rounds. This acid affects inorganic material and flesh. Creatures or items that touch the remains take 1d4 acid damage that treats hardness as 10 lower than it is.

Anything in contact with the acid for a full round instead takes 8 acid damage.

Consume Objects (Ex)

An asteroid louse can eat objects with a hardness of 10 or lower. It deals 1 damage per minute to an object it’s consuming. An asteroid louse is sated and stops feeding on a given day after dealing 100 damage this way.


Environment any vacuum
Organization solitary, pair, brood (3–9), or infestation (10–40)

Asteroid lice and planetoid beetles feed on minerals in the rock of their airless habitats. Asteroid lice are communal, but planetoid beetles are territorial, tolerating only one mate. These creatures and their eggs can float in space to a new home. However, careless quarrying and shipping have accelerated their spread through the galaxy.

Xenobiologists theorize many space vermin evolved in special circumstances.

Section 15: Copyright Notice

Starfinder Alien Archive 2 © 2018, Paizo Inc.; Authors: Alexander Augunas, Kate Baker, John Compton, Adam Daigle, Brian Duckwitz, Eleanor Ferron, Amanda Hamon Kunz, James Jacobs, Mikko Kallio, Jason Keeley, Lyz Liddell, Ron Lundeen, Robert G. McCreary, Mark Moreland, Matt Morris, Adrian Ng, Joe Pasini, Lacy Pellazar, David N. Ross, Stephen Rowe, Chris Sims, Owen K.C. Stephens, James L. Sutter, and Russ Taylor.