Assertion: sea slug's prey | /r/HasProperty | sponge
Facets:
value: usually
type: DEGREE
Source sentences:
text: If that prey (which is usually a sessile invertebrate such as a cnidarian, bryozoan, tunicate or sponge) is not available within the aquarium, then the animal will simply wander endlessly around the aquarium searching for prey, and slowly digesting itself until it can no longer sustain its metabolic needs and finally starves to death (this is usually a matter of one to several months for a well-fed and healthy animal that is introduced to an aquarium).