Knowledge (dungeoneering) covers aberration creatures, caverns, ooze creatures, and spelunking.

Knowledge (dungeoneering) task DC
Identify underground hazard 15 + hazard's CR
Identify mineral, stone, or metal 10
Determine slope 15
Determine depth underground 20
Identify an abberation creature's abilities and weaknesses 10 + monster's CR
Identify an ooze creature's abilities and weaknesses 10 + monster's CR