Assertion: stingray's fin | /r/HasProperty | pectoral
Facets:
Source sentences:
text: They have two pectoral fins and a long tail, and, despite their morphological differences, they’re actually related to sharks.
text: Stingrays flap their pectoral fins, which some refer to as ‘wings’ for forward movement.
text: To compensate for this, stingrays have pectoral fins that form a flattened disc that allow them to swim and glide for long distances.
text: Stingrays flap their pectoral fins, which some refer to as ‘wings’ for forward movement.