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  2. Marine mammal - Wikipedia

    en.wikipedia.org/wiki/Marine_mammal

    A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.

  3. List of marine mammal species - Wikipedia

    en.wikipedia.org/wiki/List_of_marine_mammal_species

    Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders.The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. [1]

  4. Marine reptile - Wikipedia

    en.wikipedia.org/wiki/Marine_reptile

    Sea snakes: the most abundant of the marine reptiles, there are over 60 different species of sea snakes. They inhabit the tropical and subtropical waters of the Indian and Pacific oceans, though very limited reports of sightings suggest they may be extending into the Atlantic Ocean. Sea snakes are venomous and their bites have been known to be ...

  5. Marine ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_ecosystem

    From shallow waters to the deep sea, the open ocean to rivers and lakes, numerous terrestrial and marine species depend on the surface ecosystem and the organisms found there. [28] The ocean's surface acts like a skin between the atmosphere above and the water below, and harbours an ecosystem unique to this environment.

  6. Marine biology - Wikipedia

    en.wikipedia.org/wiki/Marine_biology

    Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea.Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.

  7. Ocean surface ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ocean_surface_ecosystem

    The ocean's surface is hit hard by anthropogenic change, and the surface ecosystem is likely already dramatically different from even a few hundred years ago. For example, prior to widespread damming, logging, and industrialisation, more wood may have entered the open ocean, [ 14 ] while plastic had not yet been invented.

  8. Marine habitat - Wikipedia

    en.wikipedia.org/wiki/Marine_habitat

    This additional level of variety in the environment is beneficial to many types of coral reef animals, which for example may feed in the sea grass and use the reefs for protection or breeding. [ 32 ] Coastal habitats are the most visible marine habitats, but they are not the only important marine habitats.

  9. Category:Marine animals - Wikipedia

    en.wikipedia.org/wiki/Category:Marine_animals

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