Assertion: leech's body | /r/HasAspect | small oral sucker
Facets:
value: except the marine fish parasites
type: OTHER
Source sentences:
text: The body tapers towards the head and has a small oral sucker surrounding the mouth and a larger caudal (tail) sucker at the rear end, except the marine fish parasites, Pisciolidae, which have a larger oral sucker.