The following articles appear in the Recognized content section of Portal:Marine life
- Albatross
- Bivalvia
- Humpback whale
- Pinniped
- Starfish
- Baleen whale
- Blue whale
- Fin whale
- Killer whale
- Manta ray
- Right whale
- Sea otter
- Acamptonectes
- Livyatan
- Sea mink
- Sei whale
- Steller's sea cow
- Teleost
- List of cetaceans
- List of pinnipeds
- Echiura
- Fish
- Jellyfish
- Sipuncula
- Anthozoa
- Archelon
- Carcinus maenas
- Bottlenose dolphin
- Brachiopod
- Cnidaria
- Coral
- Crustacean
- Ctenophora
- Marine mammal
- Scleractinia
- Sea anemone
- Sea urchin
- Sperm whale
- Sponge
- Squid
- Whale
- Bathyphysa conifera
- Black coral
- Cartorhynchus
- Crinoid
- Dugong
- Halfbeak
- Malacostraca
- Monk seal
- Monterey Bay Aquarium
- Mysida
- Nemertea
- Phoronid
- Sea snake
- Terropterus
- Tunicate
- Corallivore
- Deep biosphere
- Dusky dolphin
- False killer whale
- Kimberella
- Millepora alcicornis
- Orcinus meyeri
- Scaly-foot gastropod
- Sirenia
- Steller's sea ape
- Stephanolepis cirrhifer
- Thalassocnus
- Whale barnacle
- Xenoturbella bocki
- Rachel Carson
- Emperor penguin
- Oceanic whitetip shark
- Goblin shark
- Pigeye shark
- Silky shark
- Porbeagle
- Ocean sunfish