Assertion: catfish's fin | /r/HasProperty | anal
Facets:
Source sentences:
text: They have straight edged anal fins.
text: Their anal fin is long, their tail fin has a deep fork, and their dorsal fin and posterior fins have spines, which help them defend themselves.
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.
text: Particularly, their anal fin is long running almost the entire length of their body.