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.
Asian Sheepshead Wrasse
Fried Egg Jellyfish
Abalone
American Lobster- Ammonites
Angelfish- Anglerfish
Archelon
Argentine Shortfin Squid
Atlantic Blue Marlin
Atlantic Croaker- Atlantic Mackerel
Atlantic Spadefish![The wolfish isn't the prettiest of fish out there with its color and shape]( "Atlantic wolffish 316")
Banana Eel- Banded Sea Krait
- Barnacle
- Barracuda
Barreleye Fish- Basilosaurus
Basking Shark- Batfish
- Beluga Sturgeon
Beluga Whale
Billfish![The oral cavity and mouth area of the bioluminescent octopus are pink or purple in color]( "Bioluminescent octopus 327")
Bioluminescent Plankton
Black Drum
Black Mangrove
Black Sea Bass- Blacktip Shark
Bladder Wrack
Blobfish- Blue Crab
![Unlike other nudibranchs that live on the deep surface, blue glaucus float on the ocean's surface]( "Blue glaucus 335")
- Blue-Ringed Octopus
Blue Shark- Bluestreak Cleaner Wrasse
- Blue Tang
![Blue whale]( "Blue whale 340")
- Bonnethead Shark
![Bottlenose dolphin breaching]( "Bottlenose dolphin 342")
- Bowhead Whale
Boxfish
Box Jellyfish
Brazos River
Bryopsis
Bubble Algae- Bull Shark
Buttonwood Mangrove
California Sheephead
Canary Rockfish
Cape Penguin- Caulerpa Taxifolia
Cero Mackerel- Chinese Paddlefish
- Christmas Tree Worm
Chub Mackerel![Anemone has powerful stings and is home for clownfish]( "Clownfish 358")
- Cod
![View of colchuck lake]( "Colchuck lake 360")
- Comb Jelly
- Common Murre
- Conch
![Cookie cutter shark]( "Cookiecutter shark 364")
- Coontail
Cownose Stingray- Crater Lake
- Crown of Thorns
Cryptoclidus- Cuttlefish
Dakosaurus
Danube River
Dead Man's Fingers- Diablo Lake
Dottyback
Dragonfish
Driftfish- Dugong
![Credit: NOAA Ocean Exploration & Research from USA, CC BY-SA 2.0 , via Wikimedia Commons]()
- Dunkleosteus
Earless Seal
Eel- Elasmosaurus
- Elephant Seal
Emperor Penguin- Emperor Shrimp
- Euphrates River
European Bass- False Killer Whale
Fan Worm- Feather Star
Fire Coral- Flounder
Flower Coral- Flying Fish
- Flying Gurnard
![A frilled shark in the depths of the ocean]( "Frilled shark 395")
Fugu Pufferfish- Galápagos Giant Tortoise
- Ghost Shark
- Giant Clam
Giant Isopod- Giant Pacific Octopus
Giant Plumose Anemone- Giant Squid
- Giant Tube Worm
- Glass Octopus
![Rattail fish]( "Goblin shark 406")
- Goliath Grouper
Gorgonia- Granrojo Jellyfish
![The great auk ocean and beyond]( "Great auk 410")
- Great White Shark
- Green Turtle
Grouper
Grunion- Guadalupe River
- Haddock
- Hake
Halisaurus- Hawaiian Monk Seal
- Hawksbill Sea Turtle
- Helicoprion
- Herring
Hogfish- Horn Shark
- Humboldt Squid
Humpback Whale- Ichthyosaur
- Irukandji
- Japanese Giant Salamander
- Japanese Pilchard
Japanese Sea Nettle- Japanese Spider Crab
- John Dory
![Kelp forest green]( "Kelp 432")
- King Mackerel
- Koi Fish
Krill- Lake Almanor
- Lake Baikal
Lake Biwa
Lake Chapala- Lake Huron
- Lake Malawi
Lake Michigan
Lake Ontario- Lake Superior
- Lake Tahoe
![Lake victoria]( "Lake victoria 444")
Lamprey- Lanternshark
- Lawnmower Blenny
- Laysan Albatross
- Leafy Sea Dragon
Leatherback Sea Turtle
Lemon shark- Leopard Shark
- Lettuce Coral
- Limpet
- Lined Seahorse
- Ling
- Lionfish
- Lion’s Mane Jellyfish
- Liopleurodon
- Lizardfish
Lobster- Loggerhead Sea Turtle
- Longhorn Cowfish
- Mackenzie River
- Mackerel
Mahi-Mahi
Mako Shark- Manatee
- Mandarinfish
- Manta Ray
![The megalodon was incredibly big, three times larger than a great white shark]( "Megalodon 470")
![The Megamouth Shark swimming is a huge and somewhat creepy-looking shark]()
Metriorhynchus 
Mimic Octopus
Mixosaurus
Monkfish- Mono Lake
- Moon Jellyfish
- Mosasaurus
- Mulloway
- Mussels
Narwhal- Nautilus
- Needlefish
Nemertea (Ribbon Worm)- Niger River
- Norris Lake
- Northern Red Snapper
- Nothosaurus
- Nudibranch
Nurse Shark- Oarweed
Oceanic Whitetip Shark
Ohio River- Olive Ridley Sea Turtle
- Olive Sea Snake
- Open Brain Coral
- Ophthalmosaurus
Orca- Ostracod
Oyster
Pacific Sand Dollar (Dendraster Excentricus)
Pacific Sierra
Parrotfish![Phytoplankton are too small to be seen by the human eye]( "Phytoplankton 502")
Pilchard- Piranha
- Plankton
- Plesiosaur
- Polar Bear
![Portuguese man o' war is a colony made of four organisms]( "Portuguese man o' war 508")
Portuguese Man O' War![Arothron stellatus reunion]( "Pufferfish 509")
Pufferfish![Purple hydrocoral colonies can grow up to 24 inches across]( "Purple hydrocoral 510")
Purple Hydrocoral![Through their feeding and excretion, they contribute to nutrient cycling within the ecosystem.]( "Quahog 511")
Quahog![Queen conch lobatus gigas]( "Queen conch 512")
Queen Conch![Broad white-edged black stripe is present through eye and head fading before body.]( "Queensland blenny 513")
Queensland Blenny![Quillfish are typically found in deep water habitats, making them an elusive and little understood creature]( "Quillfish 514")
Quillfish![The rainbow river is has one of the largest springs in the world]( "Rainbow river 515")
Rainbow River![Rainbow shark]( "Rainbow shark 516")
![Red jamaican crab colors]( "Red jamaican crab 517")
Red Jamaican Crab![Red mangroves are found in tropical and subtropical shorelines worldwide]( "Red mangrove 518")
Red Mangrove![]()
Red Sea Whip![Red waratah anemone]( "Red waratah anemone 519")
Red Waratah Anemone![A defining feature is their prominent double dorsal fins, with the first fin being larger and more triangular than the second dorsal]( "Requiem shark 520")
Requiem Shark![The ribbon eel can easily be recognized by its expanded anterior nostrils and wide-open jaws.]( "Ribbon eel 521")
Ribbon Eel![Ribbonfish are found at depths over 330 feet and are rarely spotted by humans.]()
Ribbonfish![Spotted seal and pup]( "Ringed seal 522")
Ringed Seal![A river birch will grow to a height of 40 to 70 feet and a spread of 40 to 60 feet at maturity.]( "River birch 523")
River Birch![River otter richmond marina scott campbell july 29 2010]( "River otter 524")
River Otter ![Ross seals are one of the most secretive and rarely seen species of seal]( "Ross seal 525")
Ross Seal![Saddleback clownfish is found in the indo-pacific region’s shallow waters of coral reefs and lagoons]( "Saddleback clownfish 526")
Saddleback Clownfish![Saguaro lake, view from butcher jones trail]( "Saguaro lake 527")
Saguaro Lake![Sailfish are known to hunt schools of fishes.]( "Sailfish 528")
Sailfish![The salmonete is found in muddy seabeds]( "Salmonete 529")
Salmonete![|salmon shark on fishing line]( "Salmon shark 530")
![The saltwater crocodile is a crocodilian native to saltwater habitats,]( "Saltwater crocodile 531")
Saltwater Crocodile![The sand tiger shark has been observed to gather in hunting]( "Sand shark 532")
Sand Shark![The san marcos river flows through the heart of san marcos city in hays county]( "San marcos river 533")
San Marcos River![Sarcosuchus was one of the earliest and biggest crocodile-like reptiles to roam the world]( "Sarcosuchus 534")
Sarcosuchus![Close-up of sargassum structures]( "Sargassum 535")
Sargassum![Sawfish get their name from their rostrum which has sharp, serrated denticles that resemble a saw blade]( "Sawfish 536")
Sawfish![The Scorpionfish are bottom-dwelling with a global distribution in temperate and tropical waters.]()
Scorpionfish![Clownfish in sea anemone]( "Sea anemone 537")
![Sea angels]( "Sea angel 538")
Sea Angel![Sea bream]( "Sea bream 539")
Sea Bream![Sea bunny]( "Sea bunny 540")
Sea Bunny![Limacinahelicinanoaa]( "Sea butterfly 541")
Sea Butterfly![Dugong dugon]( "Sea cow 542")
Sea Cow![Sea cucumber laying on the sea floor.]( "Sea cucumber 543")
Sea Cucumber![California sea hares change color based on their algae diet]( "Sea hare 544")
Sea Hare![Hippocampus abdominalis, port phillip]( "Sea horse 545")
Sea Horse![Yellow-lipped sea kraits are aptly named for the yellow stripe over the yellow stripe that runs over their eyes and muzzle]( "Sea krait 546")
Sea Krait![Sea lettuce has the sulfated polysaccharide ulvan and other sulfur compounds]( "Sea lettuce 547")
![Sea lice]( "Sea lice 548")
Sea Lice![The sea lily has feather-like arms that catch and filter tiny plankton and detritus.]( "Sea lily 549")
Sea Lily![Male and female steller sea lions.]( "Sea lion 550")
Sea Lion![Japanese sea nettle]( "Sea nettle 551")
Sea Nettle![]()
Sea Otter![Sea pens are named for their similarity to quill pens and their thin vertical appearance]( "Sea pen 552")
Sea Pen![Sea slug (scotoplanes globosa)]( "Sea pig 553")
![They get one of their common names, sea robin, from the orange ventral surface]( "Sea robin 554")
Sea Robin![Sea slug (leaf slug)]( "Sea sheep 555")
![They seek hard surfaces, such as rocks, to occupy]( "Sea snail 556")
Sea Snail![Yellow kneed sea spider calipallenid pycnogonid]( "Sea spider 557")
Sea Spider![371542695 8a304eca29 o]( "Sea sponge 558")
Sea Sponge![Sea squirts get their name from their tendency to expel water when disturbed]( "Sea squirt 559")
Sea Squirt![Sea trout]( "Sea trout 560")
Sea Trout![Paracentrotus lividus, a regular sea urchin (euechinoidea, infraclass carinacea)]( "Sea urchin 561")
Sea Urchin![Shaver lake has a mediterranean climate with hot, dry summers and cool, wet winters]( "Shaver lake 562")
Shaver Lake![Hebi fish caught off great barrier island, new zealand in march 2010]( "Shortbill spearfish 563")
Shortbill Spearfish![Silverwood lake is a large reservoir in san bernardino county, california, united states, located on the west fork mojave river, a tributary of the mojave river in the san bernardino mountains]( "Silverwood lake 564")
Silverwood Lake![The smooth trunkfish does not have spines like other trunkfish species]( "Smooth trunkfish 565")
Smooth Trunkfish![Southern flounders are able to effectively blend in with their surroundings, making them highly effective predators]( "Southern flounder 566")
Southern Flounder![Spaghetti worms get their name from their long thin cluster of tentacles]( "Spaghetti worm 567")
Spaghetti Worm![Sperm whale grayscale 1]( "Sperm whale 568")
Sperm Whale![Spider plant is a popular houseplant]( "Spider plant 569")
Spider Plant![A circeaster pullus everting its stomach in order to feed on an unfortunate victorgorgia coral colony.]( "Starfish 570")
Starfish![Astroscopus Guttas Stargazer]()
![Stellar's sea cow]( "Steller's sea cow 571")
Steller's Sea Cow![The striped burrfish is a non-poisonous member of the puffer fish family]( "Striped burrfish 572")
Striped Burrfish![Stripe marlins are found mainly in the atlantic, indian, and pacific oceans]( "Striped marlin 573")
Striped Marlin![Cupcoralplatformgps1000]( "Sun coral 574")
Sun Coral![Swordfish are known to make long-distance migrations, traveling thousands of miles between feeding and breeding grounds]( "Swordfish 575")
![2513px tigershark5]( "Tiger shark 576")
Tiger Shark![Randalltfya]( "Tilefish 577")
Tilefish![Triggerfish are territorial, yet astoundingly beautiful]( "Triggerfish 578")
Triggerfish![Trilobite fossil seen at the university museum in oxford]( "Trilobite 579")
Trilobite![Trumpetfish are elongated, stealthy predators that blend into their surroundings to ambush prey, hiding vertically among coral or shadowing larger fish]( "Trumpetfish 580")
Trumpetfish![Yellowfin tuna diving e1736429209399]( "Tuna fish 581")
Tuna Fish![The tun shell has a beautiful appearance]( "Tun shell 582")
Tun Shell![Tylosaurus was among the earliest derived mosasaurs.]( "Tylosaurus 583")
Tylosaurus![Umbrella shells tend to burrowing under rocks, over mud and sand bottoms of coral and rocky reefs]( "Umbrella shell 584")
Umbrella Shell![Naso tuberosus reunion 1]( "Unicornfish 585")
Unicornfish![Vampire squid illustration]( "Vampire squid 586")
![Vaquita swimming]( "Vaquita 587")
![The velvet crab is a medium-sized species of crab found in british coastal waters]( "Velvet crab 588")
Velvet Crab![Violet sea snail bubbles]( "Violet sea snail 589")
Violet Sea Snail![Viper dogfish]( "Viper dogfish 590")
Viper Dogfish![Viperfish inhabit the dim waters of the meso- and bathypelagic zones across the globe.]()
Viperfish![Although walking catfish are primarily brownish-gray, some albino specimens can be found in captivity]( "Walking catfish 591")
Walking Catfish![Walruses are semi-aquatic, spending their life in the water and on land]( "Walrus 592")
Walrus![Amazon water lilies are the biggest water lily species. Their lily pads can grow 8 feet wide]( "Water lily 593")
Water Lily![The waterwheel plant has slender stems with whorls of leaves that end in a snapping trap.]( "Waterwheel plant 594")
Waterwheel Plant![White mangrove plants growing in high tide water]( "White mangrove: a strong guardian of shorelines 595")
White Mangrove: A Strong Guardian of Shorelines![Whitetip reef sharks typically inhabit warm, shallow waters in the indo-pacific region, specifically around coral reefs, lagoons, and underwater caves]( "Whitetip reef shark 596")
Whitetip Reef Shark![Sargassum muticum floating by vely michel]( "Wireweed 597")
Wireweed![Typical wreckfish swimming close to the rocks]( "Wreckfish 598")
Wreckfish![Xiphosura in a waterbody]( "Xiphosura (a. K. A horseshoe crab) 599")
Xiphosura (a.k.a Horseshoe Crab)![Yellow soapfish inhabits shallow waters in the western atlantic ocean]( "Yellow soapfish 600")
Yellow Soapfish![Close up of a typical yellowtail amberjack]( "Yellowtail amberjack 601")
Yellowtail Amberjack![Typical yellow tang swimming in a rocky reef]( "Yellow tang 602")
Yellow Tang![The yeti crab's claws are lined with yellowish bristles that allow it to gather bacteria]( "Yeti crab 603")
Yeti Crab![The zebra turkeyfish has many names, however its otherworldly, sci-fi appearance makes them a wondrous sight to see underwater.]( "Zebra turkeyfish 604")
Zebra Turkeyfish![Zooplankton species]( "Zooplankton 605")
Zooplankton![Zooxanthellae are responsible for corals color, and the majority of its energy]( "Zooxanthellae 606")
Zooxanthellae
