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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.

Freshwater fish

Freshwater fish are those who spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 0.05 percent. Read more.

Marine fish

Set or group of fish that live in saltwater on the high seas or in the deep and middle interior of the ocean. Among the most representative species is the swordfish, the shark, the marlin, the sailboat or the blanket... Read more.



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.