| This is the "purple hinge" on an open shell of a rock scallop. It is almost obscured by the growth of other invertebrates. The yellow spots are from a parasite, the boring sponge, Cliona. The white anemone is Metridium .The snail is Calliostoma, |
On this living rock scallop, there are a great variety of hydroids and sponges, biotic associations
1 Hydroid Ectopleura marina.
2. Hydroid...?.
3 Hydroid Abietinaria rigida
4 Hydroid...?
5 Hydroid Ectopleura marina
6 yellow incrust.sponge
7 pink sponge
8 Giant barnacle Balanus n. |