The tropical caprellid amphipod Paracaprella pusilla: a new alien crustacean in the Mediterranean Sea
2013
Ros Clemente, Macarena | Vázquez Luis, María Teresa | Guerra García, José Manuel | Universidad de Sevilla. Departamento de Zoología | Ministerio de Economía y Competitividad (MINECO). España | European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) | Junta de Andalucía
Paracaprella pusilla Mayer (Fauna und Flora des Golfes von Neapel 17:1–55, 1890), originally described from Brazil, is one of the most abundant caprellid amphipod species in tropical and subtropical seas around the world. During a survey of caprellid amphipods from marinas along the Balearic Island (Western Mediterranean Sea) carried out between November 2011 and August 2012, we found two established populations of P. pusilla in Mallorca and Ibiza, respectively. So far, its occurrence in European waters was reported only from southwestern Spain in 2010. This record represents a northward range expansion of the species’ distribution, which is found for the first time in the Mediterranean. This is also the first record of the genus Paracaprella in the Mediterranean Sea. The most probable introduction vector was ship fouling. We also found the invasive caprellid Caprella scaura Templeton (Trans Entomol Soc Lond 1:185–198, 1836) in Mallorca and Menorca, which is recorded for the first time in the Balearic Islands, confirming its rapid expansion along the Mediterranean. When comparing reproductive traits between both alien species, we found that P. pusilla has a higher fecundity than C. scaura for the same female size. Taking into account this evidence, the species may be expected to appear in other Mediterranean and adjacent areas.
Afficher plus [+] Moins [-]Ministerio de Economía y Competitividad de España y fondos FEDER de la Unión Europea. CGL2011-707
Afficher plus [+] Moins [-]Consejería de Economía, Innovación, Ciencia y Empleo de la Junta de Andalucía. P11-RNM-7041
Afficher plus [+] Moins [-]Mots clés AGROVOC
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