What are the names of decomposers in the movie Finding Nemo?

In the movie "Finding Nemo," the primary decomposers are represented by the character Crush, a sea turtle, and his son, Squirt. While they are not traditional decomposers, they embody the role of recycling nutrients in the ocean ecosystem. Other sea creatures, like the small fish that feed on detritus, also contribute to the decomposition process but are not specifically named in the film.