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2. Hydnoceras - Wikipedia

   en.wikipedia.org/wiki/Hydnoceras

   Hydnoceras species were suspension feeders, and likely remained attached to a single substrate for their entire lives, as typical for a sponge. [3] Unlike modern glass sponges , which typically live in deep marine environments, these sponges lived throughout the marine water column.

3. Aquaculture of sea sponges - Wikipedia

   en.wikipedia.org/wiki/Aquaculture_of_sea_sponges

   More than 8000 species of sea sponges live in oceanic and freshwater habitats. [1] Sponge fishing historically has been an important and lucrative industry, with yearly catches from years 1913 to 1938 regularly exceeding 181 tonnes and generating over 1 million U.S. dollars. However, this demand for sea sponges has seen catch rates peak and in ...

4. Live rock - Wikipedia

   en.wikipedia.org/wiki/Live_rock

   Live rock prior to installation into a reef tank In J. Charles Delbeek's article Your First Reef Aquarium , [ 2 ] he states, The use of live rock immediately introduces into the aquarium numerous algae, bacteria and small invertebrates all of which contribute to the overall quality of the aquarium water.

5. Keratosa - Wikipedia

   en.wikipedia.org/wiki/Keratosa

   Keratosa, the keratose sponges or horny sponges, is a subclass of demosponges. [2] Keratosa sponges are nonspicular demosponges with organic spongin fibers forming flexible skeletons. [3] [4] Recently discovered in the Andaman and Nicobar Islands, these sponges contribute to reef structures in tropical regions. [5]

6. Aquaculture of coral - Wikipedia

   en.wikipedia.org/wiki/Aquaculture_of_coral

   A restored reef hosts organisms associated with the reef, such as reef fishes. [4] Reefs are delicate and complex ecosystems. It is difficult to replicate what a damaged reef looked like before the damage occurred. Most coral farms that are utilized for mitigation of damage are only able to propagate the fast growing corals that are easy to grow.

7. Sponge reef - Wikipedia

   en.wikipedia.org/wiki/Sponge_reef

   Each living sponge on the surface of the reef can be over 1.5 m tall. The reefs are composed of mounds called "bioherms" that are up to 21 m high, and sheets called "biostromes" that are 2–10 m thick and may be many kilometers wide. [5] Each sponge in the order Hexactinosa has a rigid skeleton that persists after the death of the animal.