Marine starter guide Author: Wasp First published in Aquarium World November 2007 A marine tank is a fascinating hobby which gives the owner not only the chance to keep some very colourful fish, but also the chance to grow living corals, have invertebrates such as crabs and shrimps, and if skillful enough, come close to recreating a little piece of coral reef ecosystem. Even some of the amazing symbiotic relationships that happen between various species can be done in a reef tank, such as the cl