Coelocarteria singaporensis

Coelocarteria singaporensis is a sponge species belonging to the family Coelocarteriidae. It is found primarily in the Indo-West Pacific region. This species is sessile, meaning it remains fixed in one place throughout its life. Divers can encounter it in a range of depths, from as shallow as 13 meters to as deep as 658 meters, although most observations occur at depths less than 70 meters. The sponge thrives in tropical waters, often inhabiting areas where it can effectively filter-feed on plankton and other small particles in the water column. The life cycle of Coelocarteria singaporensis involves a free-swimming larval stage known as the parenchymella, which eventually settles onto a suitable substrate and grows into a mature sponge. As a member of the Demospongiae class, it exhibits hermaphroditic reproductive traits, meaning individuals possess both male and female reproductive organs. Divers encountering Coelocarteria singaporensis may notice its unique structure, which distinguishes it from other coral and sponge species. While its conservation status has not been evaluated by the IUCN, it is not known to pose any threat to humans.