Spider Crabs and Jellyfish (IMAGE) National Oceanography Centre, UK Caption Abundant populations of the deep-sea spider crab Encephaloides armstrongi from c. 1,000 m (lower boundary OMZ) in the Gulf of Oman and the dead bodies of large upper-ocean jellyfish (Crambionella orsini) which can occur in plague proportions in the Gulf of Oman. Credit NOCS/NERC Usage Restrictions Please credit NOCS/NERC 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.