Assertion: hermit crab | /r/HasProperty | great
Facets:
value: for aquariums
type: PURPOSE
Source sentences:
text: Hermit crabs are great for aquariums because they eat algae and debris to help keep the tank clean.
text: Hermit crabs are a great way to introduce your child to the world of responsible pet ownership.
text: Hermit crabs that are underfed are also a greater threat to tankmates like snails and other invertebrates.