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Limnoria pfefferi
Image courtesy of Marilyn Schotte and the CC BY-NC-SA license.
Limnoria pfefferi
Taxonomic Group: Crustaceans-Isopods


Limnoria pfefferi is a small, marine, wood-boring isopod commonly known as a gribble. It was described from Minicoy Atoll in the Indian Ocean and its native range spans the Indo-Pacific from Mauritius to Australia. It is introduced in the tropical Western Atlantic, from Florida and the Bahamas to Panama, Columbia, and Puerto Rico. Its date of introduction is unknown and could have occurred on the hulls of wooden ships, centuries ago. It has been collected from pine and hardwood blocks, rotting logs, and mangrove roots. As a wood borer, this species may have negative ecological and economic impacts, but these have not been documented.

* Content for this species is based on the literature and peer review is pending - if you have comments or feedback please contact Paul Fofonoff at

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Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
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Marine Invasions Lab
Smithsonian Environmental Research Center

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