Description from the publisher: With deeper water you can increase the niches your species can exploit. Seek out Sponges, take refuge in the wrecks, hide in Sea grass or co habit with a protective species. Whilst things seem to be getting easier you will also have to cope with a Fishing boat and Oil pollution, plus deeper means less oxygen and harder living standards. Adds extra fish, tiles, new game effects for tiles and new predator options to Plenty of Fish in the Sea?