Though it has been argued that most invertebrates do not feel pain,[REF][REF][REF] there is some evidence that invertebrates, especially the decapod crustaceans (e.g.
Since September 2010, all cephalopods being used for scientific purposes in the EU are protected by EU Directive 2010/63/EU which states "..there is scientific evidence of their [cephalopods] ability to experience pain, suffering, distress and lasting harm [REF].