emperor shrimp
... that the emperor shrimp likes to hitch a ride on a sea cucumber or a large mollusc?
... that the <b id="mwB5g"><a href="./Zenopontonia_rex" id="mwB5k" rel="mw:WikiLink" title="Zenopontonia rex">emperor shrimp</a></b> likes to hitch a ride on a sea cucumber or a large mollusc?