Marine Animals refer to the diverse group of aquatic organisms that live and thrive in the waters of seas and oceans. This category encompasses a broad range of species, including amphibians that contribute to biodiversity, amphibians classified under the biological class Amphibia, and arthropods, which are invertebrates with exoskeletons and segmented bodies. Essentially, this category pertains to all creatures that are part of the marine ecosystem, reflecting the vast array of life forms that exist beneath the water's surface.