Assertion: angelfish's health | /r/HasProperty | sponge-containing material
Facets:
value: in their diet
type: LOCATION
Source sentences:
text: Angels from the genus Holocanthus and the genus Pomacanthus, in particular are habitual sponge grazers in their natural habitat, and it's imperative for their color and general health to include some sponge-containing material in their diet (Fenner et al., 2004).