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In Feed and Grow: Fish, fish unlocks depend on the game mode and version. The documented Survival system awards species by tier after you complete three fish life cycles and their assigned tasks; some boss fish instead require a defeat and achievement. The available official notes do not provide a verified current list of every fish or a universal “unlock all” route.
Check your game mode first
Before working toward an unlock, identify whether you are playing Survival or a mode featuring a boss. The documented Survival progression and boss-achievement unlocks are separate routes, so progress in one should not be assumed to unlock fish through the other.
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| 1 |
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Feed and Grow Fish | $14.99 | Buy on Amazon |
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Feed and Grow Fish | Buy on Amazon | |
| 3 |
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Hungry Ocean: Fish Feed and Grow. Big Fish Eat Small Fish | Buy on Amazon | |
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Shark Attack: Hungry Fish Feed and Grow | Buy on Amazon | |
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Fish Feed Fish Grow | $5.99 | Buy on Amazon |
Unlock species through Survival stars
In its October 2, 2019 Update 0.11.0 notes, the developer described this Survival progression: complete three fish life cycles and the tasks assigned for them to earn a star. The difficulty determines the star tier:
| Survival difficulty | Star earned | Unlock effect |
|---|---|---|
| Easy | Bronze | Permanently unlocks species for the corresponding tier |
| Normal | Silver | Permanently unlocks species for the corresponding tier |
| Hard | Gold | Permanently unlocks species for the corresponding tier |
The update says each star permanently unlocks species for its tier, but does not name the fish assigned to each tier. Use the tasks shown in your game rather than relying on an unsourced fish-by-fish checklist. Read the official October 2019 update notes.
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- fish abilities
- fun content
- amazing hunt animations
Unlock some bosses by defeating them
Megalodon
The developer’s December 2018 announcement says Megalodon becomes playable after you take it down and earn its achievement. See the official Megalodon announcement.
Prognathodon and Arapaima
A Steam community discussion dated August 30, 2024 says that Prognathodon and Arapaima, as well as Megalodon, must be defeated to unlock them. Treat this as player guidance, not an official or exhaustive unlock list: view the community discussion.
Rank #2
- fish abilities
- fun content
- amazing hunt animations
Why an “all fish” checklist may not match your game
Feed and Grow: Fish’s official Steam listing describes it as Early Access and says the last developer update was over four years ago. Store-page status can become stale, and dated patch notes establish how a particular version worked rather than proving that every current installation behaves the same way. Check the official Steam listing.
Progression has changed before: an April 2019 developer update said Survival was temporarily disabled across maps while bugs were investigated and progression was reworked, with permanent all-fish unlocks planned. That predates the October 2019 star system, so it is not a separate current instruction. Read the April 2019 update.
Rank #3
- Eat small fish to grow into the biggest fish eater.
- Enjoy dropping 3D cute graphics and simple gameplay.
- Evolve and earn experience points to unlock the other hungry fish.
- Explore an amazing blue world.
- Become the biggest fish in the sea.
If a menu or requirement in your installation differs from these instructions, the available official notes do not establish a universal current procedure for unlocking every fish. Mods, save edits, and third-party unlock tools are not validated by the sources cited here; do not assume they are safe or reliable.
Quick Recap
Best Value
- - Three Exciting Modes: classic, target, and fish survival modes for varied gameplay.
- - Danger and Strategy: Navigate through bombs and monster fish, including formidable whales.
- - Lives and Perks: You have three lives to eat small fish and collect perks to aid your survival.
- - Unique Abilities: Use invisible magnetic fields for protection and eat snails for speed boosts.
- - Simple and Intuitive Controls: Finely tuned rolling controls for smooth movement in all directions.
Rank #4
- Eat, grow, and evolve into a powerful shark
- Explore a vast underwater survival world
- Unlock shark abilities and upgrades
- Smooth and intuitive controls
- Offline feed and grow fish gameplay anytime anywhere
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