Sponges

Sponges filter massive amounts of water every day, feeding on the microplankton. Many will develop calcium, silica or sponging structures to support their shape. Sponges need to be anchored in rockwork; they do not tolerate sandy anchoring substrates.

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 Thumbnail Red Ball Sponge

The Red Ball Sponge, is often referred to as Red Boring Sponge, and members of this genus are found in a wide variety of colors such as red, yellow, and orange. The Red Ball Sponge... [Read more]

 Thumbnail Tree Sponge

The Tree Sponge of the genus Ptilocaulis is normally red or orange. Its shape is very similar to that of a tree which includes a main trunk with several branches. The Tree Sponge... [Read more]

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