Assertion: tuna | /r/HasAspect | conspicuous keel
Facets:
Source sentences:
text: They have a conspicuous keel on either side of the tail base; a row of small fin lets behind dorsal and anal fins, and a corselet of enlarged scales in the shoulder region.
text: They have a conspicuous keel on either side of the tail base, a row of small finlets behind dorsal and anal fins, and a corselet of enlarged scales in the shoulder region.
text: They have a conspicuous keel on either side of the tail base, a row of small finlets behind dorsal and anal fins, and a corselet of enlarged scales in the shoulder region.