1885 pets
Cave Crab 
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Want it | 
Poor
No
Neutral
Ground
Idles about.
Unknown
None
3 allowed
The War Within
Patch 11.1.0 | Posted: February 25, 2025
Level 0: 
0
0
0
0 0 0
Vs. 
Elemental
Vs. 
Magic
Mechanical
Critter
50% from Flying abilities
33% from Undead abilities
1-2 of 2
1-2 of 2
Buried amid sand and sediment, these crabs blend right into their environment.
After approx 3 hours of killing all the cave crabs in the area I was lucky enough to have the red n black color variant spawn. Turned up as the primary pet, it spawned on the water edge just north of the Blackwater Marina (62, 12) by the npcs inside the gate- this location is unmarked on the map for this pet. GL! this one was an annoying one to farm with it's little singular spawns.
According to the game database, red with black shell is the rarest colour (1 in 26, or 3.8%) while blue with yellow shell is of medium rarity (5 in 26, or 19.2%). The remainder are purple with teal shell (20 in 26, or 76.9%).
These crabs spawn around the Blackwater Marina, in the north of Undermine. Most spawn points are around the southernmost of the 2 lakes, with only 1 spawn point at the northern one. I've only ever seen one up at a time and it looks like a new one is spawned a couple of minutes after the previous dies/is captured. It also looks like there's no point in killing the non-pet critter versions, as a new battle pet will spawn regardless of whether there are any free spawn points or not - in fact I've witnessed a critter being turned into a pet version on multiple occasions (in a different colour, so you can't strategically keep critters of a certain colour alive to force the colour of the pet spawn).