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Dip Your Toes Into the World of Fishkeeping
Without Getting Your Feet Wet!

Experience the wonder and majesty of tropical fish right from your browser!

20,000 Friends Under the Sea puts you in the role of fishkeeper and caretaker of your very own aquarium. Join resident caretaker Ami and over 25 of her finned friends in building the best aquarium in town! Choose your own fish, decorations, and accessories to bring your aquarium to life.

It's up to you to keep your fish comfortable and happy in their new home. Find out what foods and accessories your new friends love the most and build them a marine mansion worthy of a movie star(fish).

Do you have what it takes to look after the most exotic and elegant fish? Start setting up your aquarium today and find out!

Plenty of Fish in the Sea

With over 25 species of freshwater and marine fish to discover, you'll have plenty of options for building out your fish fam.

Each fish is modeled after its real world counterpart, from its appearance and habits down to its favorite foods and environmental needs. Always dreamed of having a clownfish or tang? Get to know them here first before taking the plunge into purchasing one for your own aquarium.

Well-trained fishkeepers are more likely to have successful aquariums of their own. Hone your skills here to make sure you've got what it takes to provide the perfect home for your own happy, healthy fish!

Meet Ami!

Never taken care of fish before? Not to worry! Resident fish expert Ami is here to help you learn the basics of setting up your aquarium and taking care of your fish.

Ami looks after all of the fish here with the passion and dedication required of all good fishkeepers. She will monitor your progress every step of the way to make sure you are taking good care of your — and her — fish friends. Ami's knowledge of freshwater and marine fish is vast and she is eager to share that knowledge with you on your path to becoming a world class friend of fish.

Be careful, though; while she's happy to do everything she can to help you succeed, she has little tolerance for carelessness or neglect. She'll do anything for her friends. Look after them, and she will look after you.

Built with the People Who Know Fish Best

20,000 Friends Under the Sea was built with support from the Pet Leadership Council at every step of the way. Through the guidance of the Pet Leadership Council and its members, 20,000 Friends Under the Sea is able to deliver an arcade simulation experience that is true to the real thing. From fish characteristics to species conflicts, to water conditions, to tank parameters, 20,000 Friends Under the Sea remains faithful to the challenges and joys of fishkeeping.

Ready to Take the Plunge?

If you're ready to dive headfirst into the wonderful world of fishkeeping, click the button below and start setting up your very own aquarium today!