Megabalanus coccopoma
Megabalanus coccopoma
(Titan acorn barnacle)
Crustaceans-Barnacles
Exotic
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10 results for Megabalanus coccopoma (Titan acorn barnacle)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
167954 FLSt. JohnsMatanzas River in St. Augustine (Intracoastal Waterway) [just S of the Bridge of Lions west bank]2006 03080201 Daytona-St. Augustineestablished
167960 FLSt. JohnsTolomato River near Usinas Beach (just N of St. Augustine)2006 03080201 Daytona-St. Augustinefailed
238413 FLVolusiaPonce de Leon Inlet [vicinity of the town of Ponce Inlet]2006 03080202 Cape Canaveralestablished
167080 GAChathamAtlantic Ocean, on a bouy off Wassaw and Ossabaw Islands2006 03060204 Ogeechee Coastalcollected
237217 NCBrunswickAtlantic Ocean off Cape Fear2006 03030005 Lower Cape Fearestablished
237092 NCNew HanoverAtlantic Ocean at Wrightsville Beach2006 03020302 New Rivercollected
237084 SCCharlestonAtlantic Ocean at Folly Beach, near high tide line between groins [eastern end of Folly Island]2006 03050201 Cooperestablished
236222 SCCharlestonFolly River2006 03050202 South Carolina Coastalcollected
237085 SCCharlestonFolly River in Folly Beach, on a marina's floating dock2006 03050202 South Carolina Coastalestablished
237086 SCCharlestonSullivan Island on beach groin near Ft. Moultrie [western end of island near Charleston]2006 03050201 Cooperestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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