Assertion: nymph's gill | /r/SimilarTo | suction cups
Facets:
Source sentences:
text: Some have evolved further adaptations for clinging in fast water; for example, the genus Rhithrogena has gills resembling suction cups.
text: Some have evolved further adaptations for clinging in fast water; for example, the genus Rhithrogena has gills resembling suction cups.