Sergio De Matteo

• Biodiversity Journal, 4 (2): 359-364

  Salvatore Giacobbe & Sergio De Matteo
  The potentially invasive opisthobranch Polycera hedgpethi Er. Marcus, 1964 (Gastropoda Nudibranchia), introduced in a Mediterranean coastal lagoon

  ABSTRACT
  The non-native opisthobranch Polycera hedgpethi Er. Marcus, 1964 is reported from the coastal lagoon of Capo Peloro (Central Mediterranean Sea) with notes on its habitat typology and feeding behavior. The recently published opinion that P. hedgpethi established in the Mediterranean Sea is disputed, since records of adult specimens and egg laying were not accompanied by the presence of juveniles and/or larvae. Mussels imported from Atlantic and North-Adriatic lagoons are hypothesized to be the source of incoming populations in the Peloro Lagoon.

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