Anyone who reads dive publications, web sites or blogs about diving is aware of the ongoing discussion concerning what qualifies a diver to do certain dives.
2012 December
This is a guest post by Liam Fisher – who is a blogger for HouseTrip.com covering all topics travel and adventure.
The curious-looking chambered nautilus, Nautilus pompilius, is a mollusk and a member of the cephalopod family, closely related to other cephalopods such as the squid, cuttlefish, and octopus.
National Aquatic Service – Where Diving Adventure Begins in Central New York and Around the World!
The Blue-Ringed Octopus, Hapalochlaena maculos