Taxonomy Search:

Cordylophora caspia
Image courtesy of Dr Horia R. Galea, accessed through the World Register of Marine Species via CC BY-NC-SA 3.0 License
Cordylophora caspia
Taxonomic Group: Cnidarians-Hydrozoans
Common name: FRESHWATER HYDROID

Overview:

Cordylophora caspia is a brackish and freshwater hydroid which lacks a planktonic medusa stage. It is believed to be native to the Black Sea-Caspian Sea region and has been introduced to temperate and tropical inland and coastal regions around the world. It was first reported in North America in 1870 (from the Schuylkill River, Pennsylvania) and has subsequently been found across the United States, including the East, Gulf and West coasts, the Great Lakes, and Hawaii. It settles and grows on a wide range of substrates, including shells, rock, wood, and vegetation. It can tolerate a vast range of aquatic environments, varying in salinity, temperature, currents, and oxygen. This hydroid can reach high densities, fouling power plant intake systems and competing with other sessile invertebrates for space.

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Citation:

Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
http://invasions.si.edu/nemesis/.
Access Date:



Marine Invasions Lab
Smithsonian Environmental Research Center

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Edgewater, MD 21037-0028 Tel: 443 482 2200
Fax: 443 482 2380
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