Assertion: shrimp | /r/CapableOf | wave their antennae
Facets:
Source sentences:
text: When a fish approaches a shrimp and holds its body very still—called posing—the shrimp then wave their antennae, signaling they’re willing to clean (and get a meal of tasty parasites).
text: Shrimp who waved or whipped their antennae picked parasites off the visiting fish in 80 percent of cases.