There are about a hundred species of cuttlefish around the world, Regardless of becoming one of the most clever invertebrates; their life expectancy is one-two years max. Just like our BCD jackets, the cuttlefish will be able to Regulate its buoyancy employing its cuttlebone, the tricky and brittle interior shell. https://barcelonatouristattractio85285.thenerdsblog.com/38971424/marine-life-in-barcelona-an-overview