Bart, mentioned at the beginning of the article, found stingrays quite friendly when he and his wife swam with them in the Cayman Islands at a local spot known to be a feeding area for friendly rays.
Jau minētais biologs Bārts, kopā ar sievu peldot kādā vietā Kaimanu salu piekrastē, kur cilvēki mēdz barot miermīlīgas rajas, pārliecinājās, ka dzeloņrajas ir visnotaļ draudzīgi radījumi.