Assertion: sea slug | /r/HasProperty | rare
Facets:
value: because of the dangers of inking
type: CAUSE
value: in the saltwater aquarium hobby
type: LOCATION
value: relatively
type: DEGREE
value: because of their specialized eating requirements
type: CAUSE
Source sentences:
text: Sea slugs like the aplysia family of sea hares are still relatively rare, in the saltwater aquarium hobby–because of their specialized eating requirements and the dangers of inking.