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Sandbox / Insaniquarium

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No, this is not about the sandbox mode in this game.

Here's a full list of the fish, aliens, and pets to the game. Please note that due to stories being a large part in a pet or alien's characterization, all story-related spoilers will be unmarked.

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The Guppy is the default fish for the game. It costs 100 dollars, and eats fish food. it has 4 growth levels: Baby, which produces nothing, teen, which produces silver coins worth 15 dollars, adult, which produces gold coins worth 35, and Royal, which produces gems worth 200.
  • Awesome Moment of Crowning: Feed a guppy enough, and it will become a royal guppy, causing it to turn blue and gain a crown.
  • The Goomba: It's the smallest fish, but great for starting off with.
  • Zerg Rush: It's a good strategy to do it with these.

The Carnivore is the second fish in the game. It costs 1000 dollars, and eats baby guppies. It also produces gems worth 200 dollars, but does not have growth levels.

     Star Guppies 
Star Guppies are adult guppies that consumed a star potion. They produce stars that give 40 dollars, and like adult guppies, they can become royal guppies.

Starcatchers are lavender bucket-like fish that cost 750 dollars. They swallow stars produced by star guppies, and turn them into gems.

Guppycrunchers are ground-bound fish that cost 750 dollars. They jump up and eat guppies, and they produce beetles worth 150 dollars.
  • One-Gender Race: Considering they create living creatures, they're likely all female. Either that, or they turn the guppies they eat into beetles.

Beetlemunchers are tadpole/frog/whatever things that cost 2000 dollars. They eat beetles the guppycruncher makes. They produce pearls worth 500 dollars.

Breeders are Prego-like fish that cost 200 dollars. When they grow, they can create guppies for free, and like guppies, they can grow into teens and adults. They can't become royal, though.

Ultravores are incredibly large, grey fish that cost 10,000 dollars. They eat carnivores, and produce chests worth 2000 dollars. They also have a unique sound effect when being dropped into water.
  • Real Men Eat Meat: An even bigger example than Carnivores. They are the largest fish, at twice the size of a Carnivore.
  • Red Eyes, Take Warning: Averted, as they are on your side. Played straight if you're a carnivore, though.



Stinky is the first pet you gain. He's a bottom dwelling snail that collects coins, but hides in his shell during alien invasions.

Niko is the second pet you obtain. He is an oyster who occasionally produces pearls worth 250 dollars.

Itchy is a swordfish that attacks aliens. He has the power of a level one laser.

Prego is a somewhat human-like guppy that gives birth to guppies every now and then.

Zorf is a seahorse that produces level 2 food for hungry fish.
  • Crutch Character: He's pretty helpful early on for growing fish, but falls out of use when level 3 food is available.

Clyde is similar to Stinky in the fact that he collects coins. However, he can move freely around the tank, but is slower than Stinky.
  • The Dutiful Son: His main reason for working around the tank is because he needs money for his mother's hospital bill.

He is a skeleton fish that drops gold coins just like a large guppy, but does not need to be fed.
  • Creepy Good / Dark Is Not Evil: His codex entry states that people avoid using him because they fear that, him being a product of occult forces, will turn on them. The codex states that he obviously isn't evil because he would drop rat poison if he was.
  • Crutch Character: He is good for starting in earlier levels where fish are still young and are either incapable of laying coins or can only provide coins worth $15 at a time, but he soon gets outclassed later on when you have multiple fish dropping coins or diamonds at a time.
  • Dem Bones: He is a skeleton fish.
  • Perpetual-Motion Monster: His main selling point is that he can provide money without the need to eat.






Gumbo is a black angler fish with a purple tail and purple fins that attracts fish to the corner opposite of an alien's location.
  • A Wolf in Sheep's Clothing: Is accused of making it easier for aliens to kill fish, since he wrangles them all into one spot. While this can happen, especially against Type-U, he more often than not protects the fish.
  • Alluring Anglerfish: He's unlike other examples since he lures fish away from danger.
  • Animal Gender-Bender: His model is that of a female angler fish as males are much smaller to the point that they attach to females for life as a reproductive organ.


An angel fish who resurrects dead fish.
  • Back from the Dead: Her main capability is to revive fish that have been killed without being eaten, such as those killed by starvation, by rockets, or energy orbs.
  • Gameplay and Story Segregation: After the fifth tank, she revives pets that have been eaten, despite being unable to do so normally.
  • Holy Halo: Befitting her angelic theme, she has a halo that periodically vanishes and reappears.
  • Non-Action Guy: Is notably absent during the final battle.




  • Healing Factor: Whenever he enters his blue mode, the energy from your lasers get absorbed and converted back into health.
  • Improbable Weapon User: Uses a butcher's knife, a broken pitchfork, and a flyswatter.
  • Stalker with a Crush: His name is actually what his ex-girlfriend calls him because he would act like it never happened and would constantly call her and wait outside her door.
  • Shout-Out: He uses the T-Rex screams from Jurassic Park when he enters and when he switches off his healing mode.
  • Cyclops: Has a single, giant eye.
  • Eye Beams: He doesn't fire beams, but he shoots energy balls.
  • Golem: Appears to be made of dried mud, stone, or concrete.

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