And then I realize the octopus won the arms race, because I was out and he had six left.  But the only way I can describe what I was seeing that day was that this octopus was playing, which is a pretty sophisticated behavior for a mere invertebrate.
腕競べは私の負けです だって彼はまだ6本ありますからね その日私が見たことは 遊びという言葉でしか説明できませんでした 無脊椎動物には稀な 極めて洗練された行動です