Assertion: smelt's fin | /r/SimilarTo | second dorsal fin
Facets:
Source sentences:
text: The anal fin is similar to the second dorsal fin, having two small slender spines followed by 14 to 26 soft rays.
text: The anal fin is similar to the second dorsal fin, but has 2 spines with 22 to 24 soft rays posterior to the spines.