Tube Sponges in Coral Reef, Aplysina fistularis, Caribbean Sea, Dominica

tube sponge tube sponges sponge sponges sea sponge seasponge poriferans phylum sessile filter feeders marine invertebrates animal animals animalia organism eucaryota metazoa parazoa porifera demospongiae haplosclerida ceractinomorpha haliclonidae reef reefs coralreef coralreefs coral reef commonwealth of dominica leeward islands lesser antilles dominique geography nature sea ocean sealife marine wildlife marine fauna underwater underwaterphoto underwaterpicture underwaterphotography underwaterworld tube sponges in coral reef aplysina fistularis caribbean sea dominica horizontal n/a n/a