Boring Sponges

Figure 4.Cliona burtoni. A–C Tylostyle heads D–L Spirasters of various shape and thickness.

A view of the whole giant rock scallop shell which is infested with the sponge.

Cliona celata; Boorspons.

In this closeup view the individual oscula can be seen at some openings and papillae with pores in other openings.

Spicules consist of tylostyles 210-300 microns long. Photo by Haruka Ito, August 2014

Cliona californiana in a Crassodoma gigantea (giant rock scallop) shell. The yellow sponge can be seen through the small excavated openings in the shell. (Photo by: Haruka Ito, August 2014)

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.