Assertion: bluefin tuna's fin | /r/MadeOf | 2 anteriorly detached spines
Facets:
Source sentences:
text: The anal fin consists of 2 anteriorly detached spines followed by 1 spine and 17 to 20 soft rays.
text: The anal fin consists of two anteriorly detached spines followed by one spine and 15 to 17 soft rays.
text: The anal fin consists of 2 anteriorly detached spines followed by 1 spine and 17 to 20 soft rays.