Tank 1 is the first tank in Insaniquarium. It is the most basic of all tanks in the game, having the cheapest egg prices, the cheapest laser costs, and the smallest food chain. The guppy and carnivore are both introduced for the first time here.

Pets Unlocked


Aliens Encountered


Level Fish Aliens Egg Price Description Reward
1-1 LGuppy.png N/A $150 The very first level of the game, serving as a tutorial Stinky the Snail.png
1-2 LGuppy.png Sylvester, the most lowly alien.png $500 This level introduces food upgrades and Aliens. Niko.png
1-3 LGuppy.pngCarnivore.png Sylvester, the most lowly alien.png $2000 Carnivores are introduced, as well as laser upgrades. Itchy The Sword Fish.png
1-4 LGuppy.pngCarnivore.png Balrog.png $3000 Balrog is introduced. Prego the Breeder.png
1-5 LGuppy.pngCarnivore.png Balrog.png
Sylvester, the most lowly alien.png+Balrog.png
$5000 MULTIPLE ALIEN SIGNATURES is first introduced. Zorf the Seahorse.png


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