Ferrissia fragilis in Malta

Cilia, D. P., 2009. On the presence of the alien freshwater gastropod Ferrissia fragilis (Tryon, 1863) (Gastropoda: Planorbidae) in the Maltese Islands (Central Mediterranean). Bollettino Malacologico, 45 (2): 123-127.

Abstract: An established population of the North-American freshwater gastropod Ferrissia fragilis (Tryon, 1863) is recorded from the island of Malta (Central Mediterranean) for the first time. This population was found in an anthropogenic habitat at the northeast of Malta. Ferrissia fragilis is an invader of several freshwater habitats throughout Europe and beyond. If released into the wild, it could present competition for threatened Maltese freshwater Mollusca.

The following images were not included in the original paper.





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