Assertion: flea's spine | /r/CapableOf | frustrate most small fish
Facets:
Source sentences:
text: Although the spiny water flea can fall prey to fish, their spine seems to frustrate most small fish, which tend to experience great difficulty swallowing the animal.
text: Although the spiny water flea can fall prey to fish, their spine seems to frustrate most small fish, which tend to experience great difficulty swallowing the animal.