They are bio-irrigators and bioturbators in estuarine sediments, and are widely harvested by recreational anglers as fishing bait.
ðeɪ ɑːɹ bˈaɪoʊˈɪɹᵻɡˌeɪɾɚz ænd bˌaɪoʊɾɜːbˈeɪɾɚz ɪn ˈɛstuːˌɑːɹɹiːn sˈɛdɪmənts, ænd ɑːɹ wˈaɪdli hˈɑːɹvɪstᵻd baɪ ɹˌɛkɹiːˈeɪʃənəl ˈæŋɡlɚz æz fˈɪʃɪŋ bˈeɪt.