ARC Aquarium

Turn an empty tank into a living aquarium of your own. Buy fish as eggs, hatch and raise them in real time, then sell grown fish for profit. Breed new eggs, complete a 250-species catalog, and shape a calm aquarium that rewards both quick check-ins and long-term care. 🐠 Hatch, Raise, Sell - Every purchased fish arrives as an egg—hatch it and watch it grow - Feed fish to earn EXP and speed up their visible growth - Sell grown fish for profit, or lock favorites so they can never be sold by accident - Discover 250 freshwater and saltwater species, each with its own appearance, value, and unlock level 🥚 Breed and Complete Your Collection - Pair an adult male and female of the same species to produce new eggs - Raise your own fish instead of buying every new resident - Your permanent catalog records every species you discover while keeping undiscovered entries hidden 🪸 Design a Tank That Pays Back - Unlock 125 decorations and arrange, resize, layer, or sell them freely - Every placed decoration generates passive gold while the game is open - Choose from 23 backgrounds and customize the interface color and transparency 🏆 125 Collection Fish - A separate Collection tab adds 125 showcase species—250 fish in total - They arrive fully grown and need no care: they never grow, eat, fall sick, or breed - They sell back for exactly what you paid, and duplicates stack into a single 2x fish 🐟 Four Tanks, One Aquarium - Unlock up to four tanks and move fish between them—each keeps its own background and decorations - The Showcase tank holds 125 fish and needs no upkeep—the natural home for a finished collection 📈 Progress That Respects Your Time - Fish and eggs continue progressing while you are away, for up to 24 hours - Level up to unlock new fish, decorations, backgrounds, and more tank capacity - Claim rewards throughout a 30-day daily login cycle - Complete 26 in-game achievements and track every unlocked milestone - Fish packs buy a whole batch of fish in a single click 🎮 A Calm Aquarium to Keep Beside You - Play actively for a few minutes or leave the aquarium running while you work or relax - Clean the tank for bonus EXP and care for sick fish; neglected fish can be cured and never die - Capture clean, UI-free aquarium screenshots with the ARC Aquarium logo - Available in 23 languages