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For lovers of fish and corals – images, species, habitats, family, class, order. Essential and basic information disclosure for people curious about life in seas, oceans, rivers and lakes. We also include invertebrates (freshwater and marine), algae, sponges, aquatic plants and diseases.

Corals

Marine corals are colonial, with some exceptions, belonging to the phylum Cnidaria, most of them to the class Anthozoa although some belong to the class Hydrozoa (as Millepora). Read more.