"Ophlitaspongia Papilla" - (Seriata or Clathria Seriata)"
The oscula are randomly distribute over the surface .It grows on the middle shore but
becomes a larger encrustation over the rocks of the lower shore and in shallow water.
The seawater enters the body of the sponge through tiny holes (ostia)
and then passes out of the body through larger holes (oscula).
Ref: 10808C
Date: 16/09/2012
Location: Monkstone Beach