Assertion: trapdoor snail | /r/CapableOf | scour the tank
Facets:
value: for soft algae
type: PURPOSE
value: for uneaten food
type: PURPOSE
value: for debris
type: PURPOSE
Source sentences:
text: Calm, peaceful and non-aggressive in temperament, a Japanese Trapdoor Snail can spend hours on end scouring the tank for uneaten food, debris and soft algae.