claim: Hermit crabs are animals.
evidence: San Marco is a southern Italian village and hamlet -LRB- frazione -RRB- of Castellabate , a municipality in the province of Salerno , Campania .. Salerno. Province of Salerno. Castellabate. Castellabate. Italian. Italy. frazione. frazione. province of Salerno. province of Salerno. Campania. Campania. As of 2009 its population was of 1,139 .