120 species · 16 families
Everything that swims.
Every species in Tankt, straight out of the game’s own renderer. The one you hatch won’t look quite like these — colour, pattern, fins and mood are rolled fresh for every egg.
Capsule odds
Each species hatches within its own rarity band. Rarer rolls bring rarer colours.
- Common56%
- Uncommon24%
- Rare11%
- Epic5.5%
- Legendary2.5%
- Mythic1%
16 species glow in the dark. Sizes run from micro to goliath, and the biggest need a bigger tank.
Shoals
Tiny darting schoolers that fill a tank with motion.
Bubble Guppy
Ampullina ludens
Dangler Minnow
Pendulina unicus
Needle Dart
Aculeata velox
Rummy-Nose Tetra
Hemigrammus rhodostomus
Sprout Minnow
Germinella minuta
Tiger Barb
Puntigrus tetrazona
Tiny Tadfin
Larvella ocellata
Zebra Danio
Danio rerio
Boeseman's Rainbowfish
Melanotaenia boesemani
Flying Fish
Exocoetus volitans
Reef
Tangs, triggers and puffers in every loud colour.
Button Puffer
Globulina mirata
Royal Gramma
Gramma loreto
Trigger Puff
Balistella cornuta
Balloon Puffer
Globulina pneumatica
Clownfish
Amphiprion ocellaris
Crown Trigger
Balistella coronata
Marble Puffer
Globulina marmora
Regal Tang
Paracanthurus hepatus
Sail Tang
Zebrasoma velifera
Unicorn Tang
Naso unicornis
Yellow Boxfish
Ostracion cubicus
Angelfish
Pterophyllum scalare
Lionfish
Pterois volitans
Moorish Idol
Zanclus cornutus
Prism Angelfin
Scalaris prismata
Carp & Koi
Slow, graceful, and painted like pottery.
Bettas
All fins, all drama.
Bottom Dwellers
Gobies, crabs, shrimp, lobsters, sea bunnies and other gravel lovers.
Bristlenose Pleco
Ancistrus cirrhosus
Cherry Shrimp
Neocaridina davidi
Kuhli Loach
Pangio kuhlii
Pebble Goby
Gobella lapida
Shellback Cory
Corydora testata
Fiddler Crab
Uca pugnax
Rock Crab
Cancer saxatilis
Sand Flounder
Paralichthys dentatus
Sea Bunny
Jorunna parva
Sea Cucumber
Holothuria mollis
Whisker Catfish
Barbellus placidus
Hermit Crab
Pagurus bernhardus
Horseshoe Crab
Limulus polyphemus
Blue Lobster
Homarus gammarus
Sea Dragonet
Synchiropus splendidus
Amphibians
Frogs and axolotls that start as tadpoles and grow into something new.
Polar
Penguins and seals in tuxedo coats and snow-white fluff.
Eels & Dragons
Long bodies that ribbon through the water.
Deep Sea
Lanterns, lures and things that glow in the dark.
Lantern Sprat
Lucernella inquisita
Comet Hatchetfish
Argyrocometa lucida
Mist Lantern
Lucernella nebula
Ember Lantern
Lucernella cinerea
Glass Viperfin
Vipera vitrella
Lantern Angler
Lophiella luminara
Prism Lanternlet
Myctophia prismata
Spike Lantern
Lucernella spinosa
Velvet Gulper
Saccopharynx veluta
Starjaw Dragonfish
Dracostoma astralis
Jellies
Pulsing bells trailing rainbow strands.
Bell Jelly
Campanella blanda
Blue Blubber Jelly
Catostylus mosaicus
Fried Egg Jelly
Cotylorhiza tuberculata
Box Jelly
Chironex cubica
Crown Jelly
Medusella coronata
Flower Hat Jelly
Olindias formosa
Mushroom Jelly
Fungomedusa grandis
Ribbon Jelly
Medusella taeniata
Lion's Mane Jelly
Cyanea capillata
Aurora Siphonophore
Auroralia lucens
Cephalopods
Octopuses, squid and one very large Kraken.
Bobtail Squid
Sepiolina stella
Dumbo Blob
Grimpoteuthis aurita
Cuddle Octopus
Octopus dulcitus
Glow Squidlet
Cranchia lucens
Moon Squid
Teuthiluna cresca
Ribbon Squid
Taenioteuthis lucida
Mimic Octopus
Thaumactis mimica
Veil Cuttlefish
Sepia velaria
Kraken
Krakenus abyssi
Moon Nautilus
Nautilus lunaris
Rays
Flat, gliding, quietly majestic.
Whales & Dolphins
Dolphins, orcas, narwhals and the great whales — plus the little ones still growing into them.
Giants
Sunfish, sea turtles, and the legends that barely fit in the glass.
Goliath Grouper
Megaptera gravis
Loggerhead Turtle
Caretta caretta
Moon Sunfish
Mola luna
Sea Turtle
Chelonia mydas
Leatherback Turtle
Dermochelys coriacea
Mosasaurus
Mosasaurus hoffmannii
Bloop
Abyssovorax ululans
Loch Ness Monster
Nessiteras rhombopteryx
Oddities
Seahorses, seadragons and creatures that refuse to be categorised.
Not in any catalogue
65 secret breeds.
Some creatures only turn up when the right two parents meet the right catalyst. The game never tells you the recipe — these shadows are all you get.