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NAS - Nonindigenous Aquatic Species |
Common Name: magnificent bryozoan
Identification: Sessile, colonial organism with ciliated tentacles attached to a large gelatinous mass (Pennak 1989; Wood 1991).
Native Range:
Native to warmer waters east of the Mississippi River, uncommon to the West (Pennak 1989; Wood 1991).
Nonindigenous Occurrences: Pectinatella magnifica has been found in Texas (Neck and Fullington 1983), Idaho, Oregon, Washington. Outside the U.S., it has been found in Canada, Europe, and Asia (T. Wood, pers. comm.).
Ecology: Found in freshwater lakes and rivers (Wood 1991).
Means of Introduction: Unknown
Status: Unknown
Impact of Introduction: They have been known to clog water pipes (Wood 1991).
Remarks: This species may be cryptogenic in western states, few early surveys were conducted.
References
Neck, R. and R. Fullington. 1983. New records of the freshwater ectoproct Pectinatella magnifica in eastern Texas. Texas J. Sci. 35:269-271.
Pennak, R. W. 1989. Fresh-water Invertebrates of the United States, 3rd Ed., John Wiley and Sons, New York, 628 pp.
Wood, T. S. Bryozoans. Pages 481-500 in Thorp, J. H. and A. P. Covich (eds.), 1991. Ecology and Classification of North American Freshwater Invertebrates. Academic Press, Inc., San Diego, 911 pp.
Other Resources:
Pectinatella magnifica in the Connecticut River
Author:
Revision Date: 10/2/2007 Citation for this information:
United States Geological Survey. 2009. Pectinatella magnifica. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
<http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=2335> Revision Date: 10/2/2007
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