Some species of invertebrates play a significant ecological role in an aquarium by feeding on detritus and helping to maintain the plants. These animals present a huge biological and ecological diversity, and this is one of the reasons why they are so attractive to aquarists. Most invertebrates are very demanding as regards water quality, especially the marine species. They can therefore be difficult to keep, although there are some hardy species suitable for hobbyists, and even novices.
Was this article helpful?