Assertion: blue catfish | /r/HasAspect | more than 29 rays
Facets:
value: usually
type: TEMPORAL
value: in their anal fin
type: LOCATION
Source sentences:
text: They have similar characteristics as channel catfish; however, unlike channel catfish, blue catfish have no dark blue spots, possess a straight edged adipose fin, and usually have more than 29 rays in their anal fin.