Why is the predatory tunicate atach to the ground?

The predatory tunicate, also known as the sea squirt, attaches to the ground to secure itself in a stable position within its marine environment. This attachment allows it to filter-feed effectively on plankton and other small particles in the water while being anchored against currents and tides. By remaining stationary, it can also conserve energy and establish a presence in a suitable habitat for reproduction and growth.