Live Rock Hitchhikers: Tunicates (Sea Squirts)

Among the more fascinating creatures that commonly make their way into marine aquariums as stowaways on good-quality live rock are tunicates, or sea squirts. In terms of visual interest, these animals can be quite dazzling, with some exhibiting spectacular coloration or resembling small, delicate, translucent pitchers or urns. What are they? Tunicates are filter-feeding marine … [Read More]

Tridacna Clams in Reef Aquariums

Giant clams of the genus Tridacna are popular mollusks for reef aquariums. Oftentimes, people unfamiliar with the ocean are familiar only with the shells of clams. Their true beauty, however, can only be realized when they are living and healthy, as they have a thin mantle that is stunning to behold. Tridacna clam mantles have … [Read More]