Giant Tunicates
Microcomus exasperatus/Pyura Vittata ?? This page is a variety of large tunicates.There are several types of large tunicates that do not belong to the same genus. Here are several varieties. Just like the small tunicates, the animal is a filter feeder. Drawing water,in through it's incurrent siphon, to extract food and oxygen then dischargeds through the excurrent siphon. They will close the siphon if disturbed, but reopen in a faily short time. They should not be confused with sponges, which do not have the ability to close their siphons. Even though tunicates may look like very simple creatures, they each have a nervous, digestive, reproductive and a circulatory system.
