Screenshots
Watch trailer on Steam ↗Fish Collector: Aquarium Story
Seagle Games · Published by Seagle Games
Mixed — 59% positive (27 reviews) · 15 achievements
Last updated 27 Sept 2026
Run your own aquarium and evolve fish into mermaids! Fish Collector is a relaxing aquarium tycoon game that blends fish farming, idle resource production, match-3, and merge gameplay to build your fantasy ocean world.
RPG, Simulation, Casual · 2025 · More free games
Dive into Fish Collector: Aquarium Story, where you run an aquarium and evolve fish into magical mermaids. Enjoy relaxing gameplay that combines casual simulation with RPG elements and match-3 puzzles in a 2025 release from Seagle Games.
About this game
Raise fish, evolve them into mermaids, and become an aquarium tycoon!
Build your dream aquarium in this relaxing simulation game! Raise fish and watch them evolve into beautiful mermaids. Manage resources, decorate your aquatic paradise, and grow your aquarium business.
Collect over 100 mermaids and sea creatures through relaxing gameplay. Enjoy fun match-3 puzzles and merge challenges as you expand your collection!
Raise, Collect, and Relax
Enjoy the most relaxing fish collecting experience! Watch adorable sea creatures swim peacefully in your aquariums - from tiny clownfish to mysterious pirate lanternfish. Each fish has its own personality and charm, creating a soothing atmosphere perfect for unwinding after a long day.
Evolve Fish into Legendary Mermaids
Witness the magic as your ordinary fish transform into stunning mermaids! Through careful nurturing and special care, watch your aquatic friends undergo amazing evolutionary changes. Collect dozens of unique mermaid species, each with their own beautiful design and special abilities.
Customize Your Aquarium World
Design every corner of your aquarium paradise! Choose from hundreds of decorative items - palm trees, coral reefs, guide shelves, and themed decorations. Create different zones for different creatures, build walking paths for visitors, and craft the perfect aquatic environment that reflects your style.
Play Smart, Be a Tycoon
Run a successful aquarium business! Harvest raw materials, develop visitor products, and manage your resources wisely. Balance your fish care, decoration budget, and souvenir production to build the world's most profitable aquarium.
※ Game Features:
► Collect 100+ mermaids and sea animals
► Raise fish and evolve them into mythical mermaids
► Decorate and customize your aquarium with hundreds of themed items
► Craft souvenirs and trade rare items
► Enjoy diverse mini-games, including match-3 and merge puzzles
► Team up with friends and compete in global leaderboards
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 and Windows 11
- Processor: x86, x64 architecture with SSE2 instruction set support
- Memory: 4 GB RAM
- Graphics: DirectX® 9 Compatible Graphics Card
- DirectX: Version 10
- Network: Broadband Internet connection
- Storage: 3 GB available space
- Sound Card: DX10, DX11, DX12 capable.
- Additional Notes: Internet required
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 and Windows 11
- Processor: x86, x64 architecture with SSE2
- Memory: 4 GB RAM
- Graphics: Intel HD Graphics
- Network: Broadband Internet connection
- Storage: 4 GB available space
- Sound Card: DX10, DX11, DX12 capable.
- Additional Notes: Internet required
Supported Languages
Latest news
Patch NotesOfficial
Your mermaid secretary is online!
Merge Game is on! Recycle and win a selectable SSR Mermaid! Bug removal are underway to ensure a safe environment.Read full article on Community Announcements (seaglegames)AnnouncementsOfficial
Leopard On Duty・Sweetie Arrives
Taffy the ocelot server rolls in on her inline skates. Ready for her cheerful service?The Guild Star Chest is about to rotate, so make sure you redeem your rewards before it’s gone.The Christmas event is also on its way. Get ready for festive surprises.Read full article on Community Announcements (Atsumi)AnnouncementsOfficial
Choose Your Favorite Mermaid
Black Friday is here, bringing the final and biggest deals of the year!Enjoy the limited-time Selectable SSR+ Flash Deal at 25% off—don’t miss out!This Battle Pass introduces two veteran mermaid secretaries ready to help you run your growing aquatic business empire.Read full article on Community Announcements (Atsumi)AnnouncementsOfficial
Day of Salmon / NEW Illusion SSR
November 11 isn’t just Singles’ Day or a shopping festival! It’s also Japan’s “Salmon Day”!The kanji for salmon, “鮭,” hides a fun secret: the right side “圭” can be split into “11 11.”Join our salmon heiress Sandra and her new buddy, Orange, as they celebrate in style! ========== New Events ==========♥Limited Time ONLY SSR Assistant Sandra : Guaranteed after 50 Pulls▶Event Period: Now – 2025-11-19 01:00 UTC (UTC)▶Increased chances to obtain SSR Assistant Sandra and SR Orange in the Gem Gacha.▶Collect Assistant Sandra after reaching certain pull milestones.▶Claim cells from the event page.▶Assistant Sandra and Orange are limited-time characters available only during the event. After the event, Assistant Sandra will be removed from the gacha pool, but may return at future, unspecified times.♥ Limited Illusion SSR Coral Maiden Lila Now in Pool! ♥1. Event Period: Now – 2025-11-19 01:00 UTC (UTC)2. Event Details:▶ Gem Gacha now offers higher chance to get SSR Coral Maiden Lila▶ Every 10-pull guarantees 1–5 Coral Maiden Lila Cells▶ Requires \, available in the Shop for Gems or through special packages▶ Please use all \ before the event ends; expired tickets will be removed▶ Limited characters appear only during this event and will be removed from the gacha pool after it ends (may return in future reruns)Read full article on Community Announcements (Atsumi)Patch NotesOfficial
Info Optimization
Beach Cleanup- Reward Screen Info OptimizationRead full article on Community Announcements (seaglegames)
