Fig. 2From: Habitat availability determines distribution patterns of spionid polychaetes (Annelida: Spionidae) around Tokyo BayPhotographs showing various habitat types of spionid polychaetes. a Boring species, Polydora onagawaensis, inhabiting the shell of Omphalius pfeifferi pfeifferi (arrowed). b Interstitial species, Boccardia pseudonatrix, inhabiting mud in crevices of the oyster, Crassostrea gigas, shell and substrate (arrowed). c Epifaunal species, Carazziella spongilla, attaching to the rock surface (arrowed). d Infaunal species, Pseudopolydora cf. reticulata, constructing mud tubes in a tidal flat (arrowed)Back to article page