Bullying
Questions about fights between hermit crabs.

Death
Questions about suspected deaths.

Dormancy
Questions about very inactive hermit crabs on the surface.

Escape
Questions about finding a hermit crab that has escaped the tank.

Lost Limbs
Questions about detached legs or claws.

Mould
Questions about decay-causing mould and algae.

Pests
Questions about pests that invade tanks.

Shell Rot
Questions about exoskeleton diseases.

Streaking
Questions about hermit crabs that abandoned their shell.