Crustaceans, Tunicates and Others

Crabs: The crab photographed out of the water is probably a marbled crab (Pachygrapus marmoratus). You can see them running on the rocks out of the water. However, it is very rare to see a crab underwater because you have to get close and look under the rocks. This one was barely visible but on film you can see it well. I saw one once at La Grande Pointe and once at La Croisette.

Crustacean living under the sand (Sphaeroma serratum perhaps): We see small piles of sand everywhere with a hole at the top indicating that an animal lives there, but I have only seen the animal come out once! Here it is. Identification is very uncertain...

Red Sea Squirt or Tunicate (Holocynthia papillosa): Tunicates have a wineskin-shaped body with two openings called siphons. I clearly saw a red one. The tunicate called "purple" is edible and can be found in squid shops.

Sponges or corals: I put them together because I'm not sure of their identification. My camera doesn't allow me to see the details. Sponges are the simplest multicellular invertebrates: they have no organs. Corals are cnidarians and should therefore be on the same page as sea anemones.