Explore all things ocean, from the animals and plants that live in the deep blue sea, to the lakes and rivers that interconnect to the sea.

a
- Abalone
- Ammonites
- Angelfish
- Anglerfish
- Archelon
- Argentine Shortfin Squid
- Atlantic Wolffish
b
- Barnacle
- Barracuda
- Barreleye Fish
- Basilosaurus
- Basking Shark
- Beluga Whale
- Bioluminescent Octopus
- Black Mangrove
- Black Sea Bass
- Blobfish
- Blue Crab
- Blue Glaucus
- Blue-ringed Octopus
- Bluestreak Cleaner Wrasse
- Blue Tang
- Blue Whale
- Bonnethead Shark
- Bottlenose Dolphin
- Box Jellyfish
- Bryopsis
- Bull Shark
c
- Caulerpa Taxifolia
- Cero Mackerel
- Christmas Tree Worm
- Chub Mackerel
- Clownfish
- Cod Fish
- Colchuck Lake
- Conch
- Cookie Cutter Shark
- Crown of Thorns
- Cryptoclidus
- Cuttlefish
d
- Dakosaurus
- Dead Man's Fingers
- Diablo Lake
- Dottyback
- Driftfish
- Dugong
- Dumbo Octopus
e
- Eel
- Elasmosaurus
- Elephant Seal
- Emperor Shrimp
f
- Fan Worm
- Flounder
- Flying Fish
- Frilled Shark
- Fugu Pufferfish
g
- Ghost Shark
- Giant Isopod
- Giant Plumose Anemone
- Giant Squid
- Glass Octopus
- Goblin Shark
- Goliath Grouper
- Gorgonia
- Granrojo Jellyfish
- Great Auk
- Great White Shark
- Green Turtle
- Grouper
- Grunion
h
- Haddock
- Hake
- Helicoprion
- Herring
- Humpback Whale
i
- Ichthyosaur
- Irukandji
j
- Japanese Giant Salamander
- John Dory
k
- Kelp
- King Mackerel
- Koi Fish
- Krill
l
- Lake Superior
- Lamprey
- Lanternshark
- Leafy Sea Dragon
- Leatherback Sea Turtle
- Lemon shark
- Leopard Shark
- Lined Seahorse
- Ling
- Lionfish
- Lion’s Mane Jellyfish
- Lizardfish
- Lobster
m
- Mackerel
- Mahi-Mahi
- Mako Shark
- Manatee
- Manta Ray
- Megalodon
- Megamouth Shark
- Mimic Octopus
- Mono Lake
- Moon Jellyfish
- Mosasaurus
- Mulloway
- Mussels
n
- Narwhal
- Nautilus
- Needlefish
- Nemertea
- Norris Lake
- Northern Red Snapper
- Nothosaurus
- Nudibranch
- Nurse Shark
o
- Olive Sea Snake
- Open Brain Coral
- Orca
- Ostracod
- Oyster
p
- Parrotfish
- Phytoplankton
- Pilchard
- Piranha
- Plankton
- Plesiosaur
- Pufferfish
q
- Quahog
- Queen Conch
- Queensland Blenny
- Quillfish
r
- Rainbow Shark
- Red Jamaican Crab
- Red Mangrove
- Red Sea Whip
- Red Waratah Anemone
- Requiem Shark
- Ribbon Eel
- Ringed Seal
- River Birch
- River Otter
- Ross Seal
s
- Saguaro Lake
- Sailfish
- Salmon Shark
- Saltwater Crocodile
- Sand Shark
- Sea Anemone
- Sea Angel
- Sea Bream
- Sea Bunny
- Sea Butterfly
- Sea Cow
- Sea Cucumber
- Sea Hare
- Sea Horse
- Sea Lettuce
- Sea Lice
- Sea Lily
- Sea Lion
- Sea Nettle
- Sea Otter
- Sea Pig
- Sea Robin
- Sea Sheep
- Sea Snail
- Sea Spider
- Sea Sponge
- Sea Trout
- Sea Urchin
- Shaver Lake
- Silverwood Lake
- Sperm Whale
- Starfish
- Stargazer
- Steller's Sea Cow
- Sun Coral
- Swordfish
t
- Tahoe Lake
- Tiger Shark
- Tilefish
- Trilobite
- Trumpetfish
- Tuna Fish
- Tun Shell
u
- Umbrella Shell
- Unicornfish
v
- Vampire Squid
- Vaquita
- Velvet Crab
- Victoria Lake
- Violet Seat Snail
- Viper Dogfish
w
- Waterwheel Plant
- Wreckfish
x
- Xiphosura
y
- Yellowtail Amberjack
- Yellow Tang
z
- Zebra Turkeyfish
- Zooplankton