Larger Pacific Striped Octopus Insertion (IMAGE) California Academy of Sciences Caption A male inserts its hectocotylized arm into female mantle cavity; male on left, female on right. Credit Roy Caldwell Usage Restrictions For editorial use with attribution. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.