Sepioteuthis sepioidea, also known as Caribbean reef squid, is common in shallow water near the coast of the Caribbean. They are much wider than most real cuttlefish (Sepia), this makes them clearly distinguishable.
Sepioteuthis sepioidea is very interesting to observe, especially at dawn and during the mating season. The rapid color, shape and texture changes of this squid are amazing. A trick to deter potential thieves is exactly this dynamic change. The squid is oriented perpendicular to the robber and his coat and extends from fins to appear bigger. Not only is the selection of colors that can be shown is amazing, the speed of change is incredible!