Nuevas especies y primeras citas de babosas marinas (Mollusca: Opisthobranchia) en las islas Canarias y en otros archipiélagos de la Macaronesia

Abstract

The study of the opisthobranch fauna from the Canary Islands had an inflection point in the 80’s, when a regular work with this group started. As a result, the number of species recorded or described in the Canaries has increased progressively, from the former inventory of 10 species, to the 287 that we know today. As a continuation of the global inventory of the fauna from the archipelago, 6 new species are described from singular localities in the Canaries. Key words: Mollusca, Opisthobranchia, new species, new records, Canary Islands.

Sea slugs (Gastropoda: Heterobranchia) associated with Autonomous Reef Monitoring Structures (ARMS) in southern Gulf of Mexico and Mexican Caribbean Sea

“…have been described for the Indo-Pacific Ocean; however, only one species is present in the Atlantic, Hallaxa apefae, described by Er. Marcus (1957) and cited by Ortea and Buske (2018). Descriptions from those publications did not match the organism found in this work, suggesting an undescribed species.…”

“…The single organism found was a juvenile and does not resemble any of the Elysia species from the Caribbean (Ortea et al ., 2014; Krug et al ., 2016; Ortea, 2018).…”

“…Ornelas-Gatdula et al ., 2012; Krug et al ., 2016; Ghanimi et al ., 2020; García-Méndez et al ., 2022). Records in the Mexican Atlantic coast are mostly from the southern GM (Campeche Bank) on the reefs: Cayo Arcas and Cayo Arenas (Ortigosa and Simões, 2019), Sisal, Madagascar and Serpiente (Ortigosa et al ., 2013) and Alacranes (Sanvicente-Añorve et al ., 2012b; Ortigosa et al ., 2015); while in the Mexican CAR coast records are scattered in a few localities from new species publications, sea slug guides or books from the tropical northwestern Atlantic (Ortea and Espinosa, 1996; Valdés et al ., 2006; Ortea and Bacallado, 2007; Ortea et al ., 2014) and molluscan inventories for the Yucatan Peninsula (Vokes and Vokes, 1983).…”

Seven new “cryptic” species of Discodorididae (Mollusca, Gastropoda, Nudibranchia) from New Caledonia

“…nov. Since then, several additional new species have been described from the Atlantic Ocean ( Edmunds 2011 ; Alvim and Pimenta 2013 ; Ortea et al 2014 ; Ortea and Moro 2016 ; Neuhaus et al 2021 ) and the Indian Ocean ( Tibiriçá et al 2023 ), but they are also morphologically and/or genetically different from J. daoulasi sp.…”

Paragnathia formica (Hesse, 1864) (Isopoda: Gnathiidae) a new record to the Canary archipelago

“…Los antecedentes históricos previos al inicio del inventario intensivo de las babosas marinas de Canarias han sido publicados por Ortea et al (2013). En la década de los 80 se inició el estudio regular y continuado del grupo, aumentado progresivamente el número de especies conocidas en el archipiélago hasta llegar a las 287 que hoy tenemos registradas.…”