Assertion: rainbow trout | /r/HasProperty | the 8 to 12 rays
Facets:
value: in the anal fin
type: LOCATION
value: positively
type: MANNER
Source sentences:
text: Rainbow trout are positively identified by the 8 to 12 rays in the anal fin, a mouth that does not extend past the back of the eye, and the lack of teeth at the base of the tongue.