| Clathria prolifera | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | Poecilosclerida |
| Family: | Microcionidae |
| Genus: | Clathria |
| Subgenus: | Clathria |
| Species: | C. prolifera |
| Binomial name | |
| Clathria prolifera (Ellis & Solander, 1786) | |
| Synonyms | |
List
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Clathria prolifera, commonly known as red beard sponge, is a species of sea sponge in the family Microcionidae. It is native to shallow water habitats in the western Atlantic Ocean from Prince Edward Island southwards to Florida and Mexico, and possibly Brazil. In the twentieth century it also became established on the west coast of the United States.
Description
Clathria prolifera has an encrusting base that may be up to 20 cm (8 in) across but less than 3 mm (0.12 in) thick. It forms bushy masses up to 20 cm (8 in) tall of orange or red branches up to 6 mm (0.24 in) thick. These resemble fingers, or may join together to form fan-like or drapery-like folded sheets. The spongy surface is covered with minute pores through which water is drawn into the sponge.
Distribution and habitat
This sponge was first described by the British naturalist John Ellis and the Swedish naturalist Daniel Solander from New Jersey in 1786. It is found on the western side of the Atlantic Ocean from Nova Scotia and Prince Edward Island southwards to Florida, Mexico and Brazil. However, in the southern part of this range it may in fact be a different species. It was first recorded in the eastern Pacific Ocean in San Francisco Bay, California, in the 1940s, in Willapa Bay, Washington state in 1967, and in Humboldt Bay, California, in 1989. It may have arrived in the Pacific as a fouling organism on a vessel's hull or as part of a shipment of oyster spat. It grows on the underside of rocks and boulders in the intertidal and subtidal zones, on docks and quays, and in oyster beds. It is found in estuaries, bays and harbours where it can survive in waters with salinities as low as 15 ppt.
Ecology
Like other sponges, Clathria prolifera draws in water through its pores and filters out planktonic particles on which it feeds. Larvae are released in the summer and autumn, at first they rise to the surface but after a day or so they sink to the bottom and crawl across the substrate until they find suitable locations for settlement. The juvenile sponges are encrusting at first.
Clathria prolifera is sometimes used as a model organism. Samples gathered from Chesapeake Bay housed a diverse assemblage of bacteria including members of the phyla Pseudomonadota, Bacteroidota, Actinomycetota and "Cyanobacteria" that was different to the bacteria in the surrounding water. After the sponge had been grown in aquaculture for six months, the composition of the associated bacteria had changed significantly.
References
- ^ van Soest, Rob (2015). "Clathria (Clathria) prolifera (Ellis & Solander, 1786)". WoRMS. World Register of Marine Species. Retrieved 25 February 2016.
- ^ Cohen, Andrew N. (1 September 2011). "Clathria prolifera (Ellis & Solander, 1786)". The Exotics Guide: Non-native Marine Species of the North American Pacific Coast. Retrieved 25 February 2016.
- Brooks, George (2002). "Clathria prolifera (Ellis & Solander, 1786)". Animal Images: San Francisco Bay. California Academy of Sciences. Retrieved 25 February 2016.
- Ruppert, Edward E.; Fox, Richard, S.; Barnes, Robert D. (2004). Invertebrate Zoology, 7th edition. Cengage Learning. p. 87. ISBN 978-81-315-0104-7.
{{cite book}}: CS1 maint: multiple names: authors list (link) - Isaacs, L.T.; Kan, J.; Nguyen, L.; Videau, P.; Anderson, M.A.; Wright, T.L.; Hill R.T. (2009). "Comparison of the bacterial communities of wild and captive sponge Clathria prolifera from the Chesapeake Bay". Marine Biotechnology. 11 (6): 758–770. doi:10.1007/s10126-009-9192-3.
| Taxon identifiers | |
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| Clathria prolifera | |