Common name: Boring Sponge

General information

The Boring Sponge, Ciocalypta penicillus, is a species of sponge found in various marine environments. It is known for its unique ability to bore into calcareous substrates, including mollusk shells and coral skeletons. This sponge is not a common choice for reef aquariums due to its potential to damage live rock and coral structures. However, its interesting behavior and role in the ecosystem can be a point of study for advanced aquarists or researchers.

Care

In an aquarium setting, Ciocalypta penicillus requires stable water conditions with adequate filtration to maintain water quality. It is a filter feeder, relying on the flow of water to bring food particles to its cells. Care should be taken to provide a moderate to strong water flow and to avoid placing it directly on live coral or highly valued live rock, as it may cause damage over time.

Reproduction

Sponges, including Ciocalypta penicillus, reproduce both sexually and asexually. Sexual reproduction involves the release of sperm into the water column, which then fertilizes eggs within another sponge's body. Asexually, sponges can regenerate from fragments or produce buds that detach and grow into new individuals. In the aquarium, asexual reproduction is more common, and hobbyists should monitor growth to prevent overpopulation.

Habitat

C. penicillus is typically found in shallow to moderately deep waters, often in areas with strong currents that facilitate its filter-feeding lifestyle. It is distributed across various regions, including the Caribbean and the Indo-Pacific. In the wild, it can be found boring into limestone or dead coral, playing a role in the bioerosion of reef structures.