Invasion

Invasion Description

1st State Record: MA (1917, Hartell et al. 2002), unknown, !st Record: below Trenton/NJ/Delaware River (1871, Abbott 1877)., 1st Record; CT (first record for state, Webster 1942, cited by Whtiworth 1968), 1st Tidal Record: MD-DC-VAPotomac River (1900, Bean and Weed 1911)

1st Watershed Record: Two cans of fish from Ohio' were stocked in 1878 in the reservoir at Hollidaysburg PA, Juniata River (Susquehanna drainage) (Creveling 1881). However, L. macrochirus was included in lists of Susquehanna fishes in PA made in 1893 (Bean 1893), 1919 (Fowler 1919), or 1948 (Fowler 1948)., 1st Record: NY/Hudson River estuary? Watershed? (1855, Daniels et al. 2005)

Possibly introduced (Smith and Lake 1990); not included in Mills et al. (1997), present in upper watershed in 1936 survey,

1st Record: Boston/MA/Charles River Basin (1919, Hartel et al. 2002)

Geographic Extent

Dartmouth/MA/Slocum River; probably many other small streams and lagoons (Hoff and Ibara 1977; Hartel et al. 2002), Brayton Point (Somerset)/MA/Taunton River (Marine Research Inc. 1992); North Kingstown/RI/Pettaquamscutt River (Fofonoff, personal observations (1975-1980), NJ/Mullica River (1972, Millstein et al. 1977);, below Trenton/NJ/Delaware River (1871, Abbott 1877); Trenton-Philadelphia-Wilmington/NJ-PA-DE/Delaware River (Horwitz 1986); Raasch and Altemis 1991; Raasch 19916); DE/Chesapeake and Delaware Canal (Pfitzenmeyer et al. 1980; DE/Appoqunimink Creek (Smith 1971); NJ/Alloway Creek (Smith 1971), Haddam/CT/Connecticut River (1965-1969, Marcy 1976); CT/Housatonic River (Whitworth 1968; Whitoworth 1996); CT/Thames River (Whitworth 1968; Whitworth 1996), Susquehanna River- Below Conowingo Dam/MD/Susquehanna Rier (1972, McKeown 1984). Established in upper river (NY) by 1936 (Greeley 1936) , present in lower river (PA) by 1961 (Bielo 1963).

Upper Chesapeake Bay- ' near Rock Hall', Kent Co/MD/Swan Creek (1933, Academy of Natural Sciences of Philadelphia 2000); Cecil CountyMD/Northeast River (1958, Elser 1960, creel survey); Anne Arundel County/MD/Curtis Creek to Rhode River (Carmichael et al. 1992; Hines et al. unpublished data, rare to common); Calvert Cliffs and Cove Point/MD/Chesapeake Bay (Academy of Natural Sciences of Philadelphia 1973, after very heavy rains (including tropical storm 'Agnes')

Eastern Shore tributaries- Dorchester County, Caroline County, Queen Annes County, Kent County/MD/Eastern Shore tributaries by 1949, (U.S. National Musem of Natural History 1996); MD/Elk, Choptank, Nanticoke, and Pocomoke (Boward et al. 1998b; Boward et al. 1998d; Kazyak et al. 1998b; Kazyak et al. 1998c). This fish was common in the low-salinity tributaries of the Blackwater River, Somerset County (Love et al. 2008).

Patuxent River- Jug Bay Wetlands Sanctuary, Upper Marlboro/MD/Jug Bay, Patuxent River (Jug Bay Wetlands Sanctuary 1995)

Potomac River - MD-DC-VA/Potomac River (1900, Bean and Weed 1911); Washington/DC/ the Tidal Basin and Eastern Branch (Anacostia River, Bean and Weed 1911); DC-MD-VA (Chain Bridge to Wicomico River (Lippson et al. 1979; Killgore et al. 1989; Carmichael 1992; Serafy et al. 1994); Fort Belvoir /VA/Potomac River (Ernst et al. 1995, all tidal and nontidal sampling sites); Lorton/VA/Gunston Cove (2007, Kraus and Jones 2012); above Chain Bridge/DC-MD/Potomac River (2010, Starnes et al. 2011)

Rappahannock River- VA/tidal Rappahannock River (1951 (Massman et al. 1952, rare, Mauakis et al. 1981, abundant); 1st watershed record 1938, 1938 (Jenkins and Burkhead 1993)

York River System- VA/Pamunkey (1949, Raney and Massmann 1953) 1st Watershed Record (1938, Jenkins and Burkhead 1993)

James River-1st Watershed Record (1938, Jenkins and Burkhead 1993); Richmond/VA/Tuckahoe Creek (1958-1988, Weaver and Garman 1994, the only species increasing in abundance)., south of Montrose Point/Hudson River, Haverstraw Bay (1967, I-26477, American Museum of Natural History 2014); South End Cruger Island/NY/Hudson River (1972, I-32582, American Museum of Natural History 2014); Bard College/NY/Hudson River, mouth of Sawkill River (1972, I-35796, American Museum of Natural History 2014); Staen Island/NY/Arthur Kill (1974, 1975, Briggs and Waldman 2002, mpinged on the intake screen of a power plant),

Boston/MA/Charles River Basin (1919, Hartel et al. 2002)