New Records of Native and Non-Indigineous Polychaetes (Annelida: Polychaeta) in the Galápagos Islands

The biofouling community on Santa Cruz and Baltra Islands, Galapagos, was surveyed in 2016 based on samples from settlement plates deployed in 2015 and 2016 at three different sites. We report numerous new records for the Galapagos fauna: one novel family (Opheliidae), nine novel genera, and 15 novel species records were documented in a total of seven families. Six introduced species were found, the syllid Myrianida pachycera, the sabellids Branchiomma bairdi, Branchiomma sp. and Pseudobranchiomma schizogenica, and the serpulids Hydroides elegans, Hydroides sanctaecrucis, along with one cryptogenic species, the spionid Dipolydora armata. Non-native species come from either the warm waters of the Western Atlantic or Indo-West Pacific Oceans.

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