No, sand sharks aren't harmful to people. They're slow-going sharks which have no desire to connect with or eat human beings. But, like all animals, They could be intense when they feel their life are in danger. The Barcelona Aquarium is one of the major and many amazing marine leisure https://aquariumconservationeffor30505.canariblogs.com/examine-this-report-on-trip-tales-booking-48166792