Report associated with sponges: This species was reported from Adelie land (Cape Geodesy), Antarctica, among bryozoans and poriferans on muddy bottom at 170–180 m (Newell 1984).
Remarks: This species was reported from intertidal to deep-sea, epibenthic, epizoic on various substrata (Bartsch 2016b; Chatterjee 2021b).