Species Regional Summary
Halimeda opuntia
None ( CAR-IV )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Mayaguez/Puerto Rico (1899, Catalog Number 69194, US Fish Commission Porto Rico Expedition (Steamer Fish Hawk, US National Musuem if Natural History 2023)

 

   

Geographic Extent

Mayaguez/Puerto Rico (1899, Catalog Number 69194, US Fish Commission Porto Rico Expedition (Steamer Fish Hawk, US National Museum of Natural History 2023); Hispaniola/Haiti-Dominican Republic/Caribbean Sea (Taylor 1960, cited by Guiry and Guiry 2023); Puerto Rico/Caribbean Sea (Taylor 1960, cited by Guiry and Guiry 2023); Virgin Islands/Caribbean Sea (Taylor 1960, cited by Guiry and Guiry 2023); Netherlands Antilles/Caribbean Sea (Taylor 1960, cited by Guiry and Guiry 2023); Barbados/Caribbean Sea (1915, U.S National Museum of Natural History 2023)

 

Vectors

Level Vector

Regional Impacts

Ecological ImpactCompetition
Coral reefs in a marine protected area at St. Johns, US Virgin Islands, showed a trend of decreasing coral cover and increasing macroalgal cover. On one occasion, in 1998, Halimeda so. (presumably H. opuntia was the dominant species- at most other times it was the brown alga Dictyota sp.. (Edmunds 2002).
 
Ecological ImpactHabitat Change
Coral reefs in a marine protected area at St. Johns, US Virgin Islands, showed a trend of decreasing coral cover and increasing macroalgal cover. On one occasion, in 1998, Halimeda so. (presumably H. opuntia was the dominant species- at most other times it was the brown alga Dictyota sp.. (Edmunds 2002).
 

References

Full Reference List for Halimeda opuntia

  • Nemesis (current)
  • Marine Invasions Lab
  • Partner Portals
    Nemesis California Panama Galapagos Cocos Island NP JTMD
    Archived Projects
    Chesapeake
  • Browse Species
    Taxonomic Groups All Species
  • Browse Regions
    States
    Alaska
    Bioregions & Bays
  • News
  • login

Direct questions and comments to nemesis@si.edu.

©