This is your all-in-one guide to unlocking every achievement in Tiny Aquarium. Whether you’re breeding for the perfect fish, completing the Fishdex, or just popping bubbles, this guide will help you track your progress and optimize your tank life.
Contents
Last updated: September 13 | Based on EightBitDonut’s guide (WIP)
FISH-RELATED ACHIEVEMENTS
These achievements all relate to catching, hatching, or breeding fish in your aquarium.
| Achievement | How to Unlock |
|---|---|
| Fishing 101 | Catch a fish in the fishing minigame. |
| My First Fish! | Hatch a fish from an egg. |
| A Full Aquarium | Hatch 30 fish in total. |
| That’s A Lot of Fish | Hatch 100 fish in total. |
| Fishmania | Hatch 500 fish in total. |
| Kissy Kissy | Breed one pair of fish (species doesn’t matter). |
| It’s Getting Hot In Here | Breed 30 pairs of fish. |
| The Fish and The Fish | Breed 100 pairs of fish. |
| SHINY! | Obtain a unique fish (a rare variant).Can be acquired via hatching, fishing, breeding, or player trades. |
UNLOCKS & UPGRADES
These are achievements tied to your aquarium upgrades, fishing levels, and utilities.
Tank & Leveling
| Achievement | Requirement |
|---|---|
| Second Tank | Unlock and purchase your second tank. |
| Novice Fisherman | Reach level 10. |
| Experienced Fisherman | Reach level 20. |
| Master Fisherman | Reach level 30. |
| Legendary Fisherman | Reach level 40. |
Sponge & Food
| Achievement | Requirement |
|---|---|
| Good Sponge | Upgrade your sponge once. |
| The Best Sponge | Fully upgrade your sponge. |
| Good Food | Upgrade your food once. |
| The Best Food | Fully upgrade your food. |
Cosmetics
| Achievement | Requirement |
|---|---|
| All the Lights | Unlock all light colors. |
| All the Soils | Unlock all soil colors. |
MISCELLANEOUS
Achievements related to spending, interactions, and passive gameplay.
| Achievement | Tip |
|---|---|
| Shopping Frenzy I | Spend 10,000 in the shop. |
| Shopping Frenzy II | Spend 100,000 in the shop. |
| Shopping Frenzy III | Spend 500,000 in the shop. |
| This is Nice… | Stare at your aquarium for 3 minutes straight. |
| Pop pop pop | Pop 100 coin bubbles in the aquarium.Tip: Pop every bubble you see! Some contain rare rewards like bubble dolphins. |
| The Aquarium Reviewer | Leave 100 reactions on other players’ aquariums.Use your daily 5 shell reactions or spam normal reactions to speed this up. |
| Seashells by The Seashore | Sell at least one fish via the Online Market.Use the Tiny Aquarium Discord or trade with a friend for quick unlock. |
| Rise! | Revive a dead fish.Tip: Buy one from another player instead of waiting hours for your own to die. |
CHALLENGES
These are the most goal-focused and grind-heavy achievements in the game.
| Achievement | Description |
|---|---|
| A Modest Fish | Breed a fish with 0/0/0 genes — aka a Nundo.Best method: Buy a Nundo pair and breed them until another Nundo hatches. |
| The Perfect Fish | Breed a fish with 100/100/100 genes — aka a Hundo or “300”.Same method as above, but expect more time investment. |
| Fishdex Complete | Fully complete your Fishdex.- The first page is simple.- Pages 2 and 3 will take much longer.– WIP – community contributions welcome. |