What animals are similar to a sea sponge?

Animals similar to sea sponges include other members of the phylum Porifera, such as glass sponges and horn sponges, which share similar porous structures and filter-feeding mechanisms. Additionally, animals like corals and sea anemones, while belonging to the phylum Cnidaria, exhibit some functional similarities in their sessile lifestyles and filtering capabilities. Both groups are primarily found in marine environments and play crucial roles in their ecosystems.