Three specimens of the rare scyphozoan Stellamedusa ventana Raskoff & Matsumoto, 2004 were collected during a vertical plankton tow on April 2013 in a shallow bay on the Eastern Tropical Pacific that was sampled eight times from 2011 to 2013. Previously observed only in Monterey Bay, California and the Sea of Cortéz; this new record for Bahía Salinas, Costa Rica represents a range extension of ~ 2900 km. This and other shallow water sightings in Monterey Bay suggest that this species is not restricted to mesopelagic environments, although shallow observations might be a consequence of local upwelling events.
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We thank Eleazar Ruíz and Antonio Pérez Pérez for their valuable help during the sampling process, and Catalina Benavides for providing the map showing the collection site. We also thank Alan Shanks, George Matsumoto, Russell Hopcroft and two anonymous reviewers for their comments and corrections to this manuscript. Funding was provided by the Vicerrectoría de Investigación from the University of Costa Rica through the project 808-B1-194: “Zooplankton composition, abundance, biomass and diversity in Bahía Salinas, North Pacific of Costa Rica”.
Communicated by R. R. Hopcroft
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Corrales-Ugalde, M., Morales-Ramírez, Á. New record of Stellamedusa ventana Raskoff & Matsumoto, 2004 in the Eastern Tropical Pacific. Mar Biodiv 49, 515–519 (2019). https://doi.org/10.1007/s12526-017-0781-5
- Zooplankton biogeography
- New record
- Gulf of Papagayo