Assertion: hermit crab | /r/Desires | a lot of calcium
Facets:
Source sentences:
text: Use a calcium supplement for crabs as per the instructions -- like other arthropods, hermit crabs need a lot of calcium to form their hard exoskeletons.
text: Hermit crabs need a lot of calcium to support the health of their exoskeleton, and this is especially true during moulting.
text: Hermit crabs need a lot of calcium to support the health of their exoskeleton, and this is especially true during molting.