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First record of the snapper-choking isopod Cymothoa excisa (Isopoda: Cymothoidae) parasitizing invasive lionfish Pterois volitans (Scorpaeniformes: Scorpaenidae)

  • Alfonso Aguilar-Perera (a1), Luis Quijano-Puerto (a1), Evelyn Carrillo-Flota (a1), Ernest H. Williams (a2) (a3) and Lucy Bunkley-Williams (a2) (a4)...

Two female snapper-choking isopods Cymothoa excisa (body length 11 and 14 mm) were in the buccal cavity of two invasive lionfish Pterois volitans (total length 294 and 301 mm) collected in Alacranes Reef, southern Gulf of Mexico. This is the first record of C. excisa parasitizing invasive lionfish P. volitans in coral reefs of the Western Atlantic, where these isopods appear to have infected the host through adult prey-predator transfer.

Corresponding author
Correspondence should be addressed to: A. Aguilar-Perera Departamento de Biología Marina, Universidad Autónoma de Yucatán, Mérida, Yucatán, México email:
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Journal of the Marine Biological Association of the United Kingdom
  • ISSN: 0025-3154
  • EISSN: 1469-7769
  • URL: /core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom
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