Abdopus Abdopus aculeatus Abdopus horridus Abdopus capricornicus Abdopus undulatus Abdopus abaculus A. horridus Octopus (genus) Mark Norman (marine biologist) Octopodidae Macrotritopus defilippi Amphioctopus marginatus Injury in animals Larger Pacific striped octopus Aquatic animal Octopus minor Octopus Pain in cephalopods Cephalopod