Common name: Titan acorn barnacle
available through www.itis.gov
Identification: Very large, pink in color.
Native Range: Tropical eastern Pacific Ocean of Central and South Americas.
Interactive maps: Point Distribution Maps
Puerto Rico &
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Megabalanus coccopoma are found here.
Table last updated 3/29/2018
† Populations may not be currently present.
Means of Introduction: Unknown. Possibly from ship hull fouling.
Impact of Introduction: Unknown
Revision Date: 2/6/2007
U.S. Geological Survey, 2018, Megabalanus coccopoma (Darwin, 1854): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=2621, Revision Date: 2/6/2007, Access Date: 4/19/2018
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.