SeaRealm marine encyclopedia
Meet the real animals behind every SeaPal.
Dive past the cards and into the ocean. Discover surprising superpowers, favorite foods, wild habitats, and facts worth sharing at the dinner table.
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Showing 120 creatures

African Pompano
Alectis ciliaris
Youngsters trail silver streamers like underwater kites.
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Anchovy Ball
Engraulidae
Tiny teammates with a giant place in the food web.
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Anemone
Actiniaria
A stinging sea animal disguised as a flower.
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Anglerfish
Melanocetus johnsonii
A glowing fishing rod hangs over a hungry mouth.
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Arrow Crab
Stenorhynchus seticornis
A tiny reef spider with an arrow-shaped nose.
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Barracuda
Sphyraena barracuda
A silver ambush rocket with a mouthful of daggers.
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Barrel Eye Fish
Macropinna microstoma
A clear head hides swiveling green eyes.
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Basking Shark
Cetorhinus maximus
A gentle giant swims with a mouth like a tunnel.
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Black Marlin
Istiompax indica
A heavyweight billfish with fins that never fold flat.
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Black Swallower
Chiasmodon niger
A stretchy belly makes every meal supersized.
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Blue Crab
Callinectes sapidus
A sideways swimmer with blue claws and paddle feet.
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Blue Sea Dragon
Glaucus atlanticus
A tiny upside-down dragon steals stings from its lunch.
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Blue Shark
Prionace glauca
Long-winged and bright blue, this shark never stops roaming.
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Blue Tang
Acanthurus coeruleus
A blue reef grazer carrying a hidden tail scalpel.
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Blue Whale
Balaenoptera musculus
Earth's largest animal lives on bite-sized krill.
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Bluefin Tuna
Thunnus thynnus
A warm-powered athlete built to cross an ocean.
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Bluefish
Pomatomus saltatrix
A schooling hunter with serious teeth and endless energy.
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Bluestriped Grunt
Haemulon sciurus
A striped schooler that actually grunts underwater.
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Bonito Tuna
Sarda sarda
A striped speedster from the tuna-and-mackerel family.
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Bottlenose Dolphin
Tursiops truncatus
A social echo-hunter with a signature whistle.
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Boxfish
Ostraciidae
A hovering fish sealed inside natural box-shaped armor.
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Bristlemouth
Cyclothone spp.
Tiny lights, tiny teeth, enormous numbers.
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Brittlestar
Ophiuroidea
Five wriggly arms row across the seafloor.
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Bull Shark
Carcharhinus leucas
A stocky sea shark equally comfortable upriver.
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Chimera
Chimaeriformes
A ghostly shark cousin with crushing tooth plates.
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Cleaner Shrimp
Ancylomenes pedersoni
A see-through reef hygienist waving extra-long antennae.
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Cleaner Wrasse
Labroides dimidiatus
The reef's tiny dentist, barber, and parasite picker.
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Clownfish
Amphiprioninae
A tiny reef neighbor protected by stinging tentacles.
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Coelacanth
Latimeria chalumnae
An ancient fish rediscovered in modern seas.
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Colossal Squid
Mesonychoteuthis hamiltoni
The heavyweight squid carries swiveling hooks.
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Cookie Cutter
Isistius brasiliensis
A tiny shark takes perfectly round bites.
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Crevalle Jack
Caranx hippos
A hard-pulling jack that thrives from rivers to reefs.
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Crown of Thorns
Acanthaster cf. solaris
A many-armed coral eater covered in venomous thorns.
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Deep Cucumber
Holothuroidea
A squishy recycler vacuums the ocean floor.
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Deep Sea Jelly
Atolla wyvillei
A blue pinwheel alarm summons bigger trouble.
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Deep Sea Skate
Bathyraja abyssicola
A soft-winged hunter glides over the abyss.
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Dumbo Octopus
Grimpoteuthis spp.
Flappy ear-fins make deep-sea flight look easy.
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Emerald Crab
Mithraculus sculptus
A tiny green reef custodian with spoon-shaped claws.
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Fairy Parrotfish
Scaridae
A rainbow reef gardener with a rock-crunching beak.
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Fangtooth Fish
Anoplogaster cornuta
The ocean's biggest grin fits in your hand.
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Flying Fish
Exocoetidae
A fin-winged escape artist that glides above the waves.
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French Angelfish
Pomacanthus paru
A golden-edged sponge snacker that often swims in pairs.
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Frigate Tuna
Auxis thazard
A small tuna built for warm-water sprints.
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Frilled Shark
Chlamydoselachus anguineus
Frilly gills frame a snake-shaped shark.
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Frogfish
Antennariidae
A camouflaged fisher with its own wiggly lure.
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Galapagos Shark
Carcharhinus galapagensis
An island-patrolling shark with a curious streak.
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Giant Clam
Tridacna gigas
The world's biggest bivalve, powered partly by sunshine.
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Giant Isopod
Bathynomus giganteus
A football-sized pillbug patrols the ocean floor.
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Giant Phantom Jelly
Stygiomedusa gigantea
Four ghostly ribbons trail through the abyss.
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Giant Red Shrimp
Neognathophausia ingens
A crimson crustacean launches a glowing smoke screen.
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Giant Squid
Architeuthis dux
Bus-sized tentacles reach through midnight water.
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Giant Triton
Charonia tritonis
A giant hunting snail that tackles thorny sea stars.
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Giant Tube Worm
Riftia pachyptila
Friendly bacteria power a mouthless vent giant.
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Goblin Shark
Mitsukurina owstoni
Its jaws launch forward like a spring trap.
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Goliath Grouper
Epinephelus itajara
A reef giant with a vacuum-powered gulp.
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Great Barracuda
Sphyraena barracuda
A silver torpedo built for lightning-fast ambushes.
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Great White
Carcharodon carcharias
A warm-muscled ocean hunter with rows of replacement teeth.
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Green Moray Eel
Gymnothorax funebris
A crevice hunter with a second set of jaws.
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Green Sea Turtle
Chelonia mydas
A long-distance reef traveler powered by seagrass.
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Greenland Shark
Somniosus microcephalus
An icy giant can outlive generations of humans.
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Gulper Eel
Eurypharynx pelecanoides
A pelican-sized mouth unfolds from a ribbon body.
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Halfbeak
Hemiramphidae
A surface skimmer with only half a long beak.
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Hammerhead
Sphyrnidae
A living metal detector with eyes spread wide.
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Herring Ball
Clupea harengus
Millions of silver swimmers keep northern seas humming.
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Humpback Whale
Megaptera novaeangliae
A singing traveler with wings and bubble-made fishing nets.
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Killer Whale
Orcinus orca
Ocean families turn teamwork into top-predator power.
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King Mackerel
Scomberomorus cavalla
A sleek silver king that chases schools at speed.
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Krill Bloom
Euphausiacea
Tiny crustaceans that power some of Earth's biggest animals.
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Leather Starfish
Dermasterias imbricata
A soft sea star that smells surprisingly garlicky.
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Lionfish
Pterois volitans
A striped ambush hunter armed with venomous spines.
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Loggerhead
Caretta caretta
A powerful shell-crusher that crosses whole oceans.
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Lookdown
Selene vomer
Turn sideways and this silver fish nearly disappears.
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Mahi-Mahi
Coryphaena hippurus
A rainbow-fast fish that grows almost while you watch.
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Man O' War
Physalia physalis
A floating colony sails with a curtain of stingers.
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Manta Ray
Mobula alfredi
A flying carpet that filters tiny ocean snacks.
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Mantis Shrimp
Stomatopoda
A rainbow-eyed crustacean with spring-loaded hunting arms.
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Market Squid
Doryteuthis opalescens
An iridescent jet swimmer with a one-year adventure.
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Megamouth Shark
Megachasma pelagios
A rare giant mouth follows krill through dim water.
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Needlefish
Belonidae
A surface hunter armed with a beakful of needles.
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Nudibranch
Nudibranchia
A shell-free sea slug dressed in impossible colors.
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Ocean Sunfish
Mola mola
A giant swimming pancake with no ordinary tail.
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Ocean Triggerfish
Canthidermis sufflamen
A tough-skinned drifter with a lockable fin trigger.
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Oceanic Whitetip Shark
Carcharhinus longimanus
White-tipped paddle fins cruise the far open sea.
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Octopus
Octopoda
A soft-bodied puzzle solver with eight sensing arms.
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Owlfish
Bathylagidae
Dinner-plate eyes scan the midnight water.
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Oysters
Ostreidae
Living water filters that build bustling shell cities.
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Pacific Grenadier
Coryphaenoides acrolepis
A patient scavenger with a ribbon-like tail.
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Peacock Squid
Taonius spp.
Glass skin, giant eyes, and lights underneath.
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Picasso Triggerfish
Rhinecanthus aculeatus
A swimming artwork with a clever locking spine.
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Pilot Whale
Globicephala spp.
Deep-diving dolphins that stick close to their families.
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Pompano
Trachinotus carolinus
A silver beach cruiser that digs up crunchy snacks.
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Porcupine Fish
Diodon hystrix
A shy night hunter that becomes a spiky balloon.
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Queen Angelfish
Holacanthus ciliaris
A royal-blue reef beauty wearing a tiny forehead crown.
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Reef Shark
Carcharhinus melanopterus
A shallow-water shark with ink-dipped fin tips.
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Remora
Echeneidae
The ocean's hitchhiker carries its own suction cup.
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Sailfish
Istiophorus platypterus
A color-changing sail helps herd dinner into reach.
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Sardine Ball
Clupeidae
A silver swirl that makes predators dizzy.
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Sargeant Major
Abudefduf saxatilis
A striped reef guard with military-looking bars.
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Sea Urchin
Diadema antillarum
A spiky reef gardener with five self-sharpening teeth.
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Shortfin Mako Shark
Isurus oxyrinchus
A warm-muscled shark shaped like a living rocket.
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Silky Shark
Carcharhinus falciformis
Tiny tooth-like scales give this shark a silky glide.
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Silverside Ball
Menidia menidia
A living ribbon of silver along the shore.
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Southern Flounder
Paralichthys lethostigma
A sideways sand ninja with both eyes upstairs.
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Spanish Hogfish
Bodianus rufus
A purple-and-yellow wrasse with a rooting piglike snout.
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Spectacled Parrotfish
Chlorurus perspicillatus
A Hawaiian reef grazer wearing colorful eye spectacles.
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Sperm Whale
Physeter macrocephalus
The biggest toothed whale hunts by sound in darkness.
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Spinner Dolphins
Stenella longirostris
Acrobatic night hunters that spin above the waves.
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Swordfish
Xiphias gladius
A deep-diving hunter with a built-in sword and heater.
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Thresher Shark
Alopias vulpinus
Half shark, half tail, and all expert hunter.
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Tiger Shark
Galeocerdo cuvier
A striped night hunter with can-opener teeth.
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Tripletail
Lobotes surinamensis
A sideways leaf disguise hides three pretend tails.
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Tripod Fish
Bathypterois grallator
Living stilts turn the seafloor into a lookout.
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Twinspot Butterflyfish
Chaetodontidae
A fluttering reef disk decorated with two clever false eyes.
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Vampire Squid
Vampyroteuthis infernalis
A velvet cloak hides a gentle snow-eater.
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Viperfish
Chauliodus sloani
Needle fangs turn darkness into a trap.
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Wahoo
Acanthocybium solandri
Blue racing stripes mark one of the sea's sprinters.
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Whale Shark
Rhincodon typus
The world's biggest fish wears a starry fingerprint.
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White Grunt
Haemulon plumierii
A red-mouthed reef school makes its name by grunting.
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Yellowfin Tuna
Thunnus albacares
Golden fins slice warm oceans at marathon speed.
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Yellowtail Amberjack
Seriola lalandi
A golden-striped traveler with a powerful forked tail.
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