Filtering Alone

Lonely purple finger sponge on silty bottom of Mahurangi Harbour, that means a solid object must be there under a thin layer of sand/mud.

Stock Photo: Lonely purple finger sponge on silty bottom

Keywords: sponge purple finger “finger sponge” “purple sponge” “purple finger sponge” “filter feeder” “filter feeding” filter feeder feeding silt silty bottom underwater undersea invertebrate Mahurangi harbour Pacific ocean temperate