ModsMegaquarium
Megaquarium mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
1,287 mods, most downloaded first · newest update 12 Oct 2026
Animals888Fish715scenery138tanks108Sharks84Other animals79Extinct and Fantasy64Crustaceans57paints55Mammals46Others45Bugs/Invertebrates42plants39birds36Reptiles35Gameplay34Clams and corals30Rocks29Guest Facilities24Cetaceans21Custom Maps17Accessories16Shark16animal13Modpack11tutorial10
- Japanese Freshwater Life Packby 76561198880010479Freshwater species from the islands of Japan for your aquariums! This pack contains: Amur Catfish (Silurus asotus) Asian Yellow Pond Turtle (Mauremys mutica) Dark Sleeper (Odontobutis obscura) Deepbody Bitterling (Acheilognathus longipinnis) Giant Lake Biwa Catfish (Silurus biwaensis) Giant Mottl...4.0k downloadsupdated 3 y ago
- Khaydar's bazaar - Pacific Shoresby KhaydarNo your eyes aren't misleading you, today the bazaar has released a pack featuring semi-aquatic animals. You may be wondering how this is even possible with the limitations of the game, well .....it's magic. And like every good magic trick it's all illusion. The real animals are swimming while th...4.0k downloadsupdated 7 y ago
- H.A.A.I. - Blotched Foxfaceby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...4.0k downloadsupdated 7 y ago
- Khaydar's Bazaar - Blue Ribbon eelby KhaydarBlue Ribbon Eel.( Rhinomuraena quaesita) Updated for Deep Freeze3.9k downloadsupdated 3 y ago
- Vampire Shrimpby UzagAdds the following speices to your game: Vampire Shrimp (Atya gabonensis) - It's breedable, there's 7 different colors that you can obtain! - Has a new shrimplet model, maybe one day I'll be able to improve it further. (Chunky shrimp) #TwoYearAnniversary3.9k downloadsupdated 6 y ago
- Gulf of Mexico Royal Fish Packby grosseberthaAdd 3 new species from the Gulf of Mexico, the Queen Triggerfish (Balistes vetula), the Princess Parrotfish (Scarus taeniopterus) and the Northern Kingfish (Menticirrhus saxatilis)3.9k downloadsupdated 6 y ago
- Freshwater Grab Bagby RappyAn eclectic collection of six freshwater fish, containing the following: -Blue Panaque (Baryancistrus beggini); unlocks at Rank 10 -Buenos Aires Tetra (Hyphessobrycon anisitsi); unlocks at Rank 6 -Horseman's Corydoras (Corydoras eques); unlocks at Rank 7 -Red-Striped Killi (Aphyosemion striatum);...3.9k downloadsupdated 5 y ago
- Khaydar's bazaar - Tuna pack part 2 (relatives)by KhaydarPart 2 of the tuna pack, featuring tuna relatives such as bonitos, mackerels, kingfish and more !!! Part 2 contains: New fishes - Atlantic Bonito (Sarda sarda) - Cero Mackerel (Scomberomorus regalis) - Leaping Bonito (Cybiosarda elegans ) - Atlantic Chub Mackerel (Scomber colias) - Wahoo (Acantho...3.9k downloadsupdated 11 mo ago
- Pygmy angelfish packby grosseberthaI am happy to propose you a pack of pygmy angelfish composed of: blue mauritius pygmy angelfish (Centropyge debelius), bicolor pigmy angelfish (Centropyge bicolor), red striped pigmy angelfish (Centropyge eibli), potter pygmy angelfish (Centropyge potteri) and the multicolor pygmy angelfish (Cent...3.9k downloadsupdated 6 y ago
- Bamboo Sharkby HarryLMMThis mod adds the Bamboo Shark (Chiloscyllium punctatum) to your game. It is unlocked at Level 7.3.9k downloadsupdated 6 y ago
- The World's Rivers - Great Blue Heronby Irritating FishGreat Blue Heron (Ardea herodias) and American Beachgrass (Ammophila breviligulata) Hailing from all over North America, the third largest heron in the world wades into your aquarium! Unlocked at rank 9, this lanky bird is sure to amuse your guests with it's slow, calculated movements as it hunts...3.9k downloadsupdated 5 y ago
- H.A.A.I. - Polypsby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...3.9k downloadsupdated 6 y ago
- Mediterranean Morayby FlishsterAdds the Mediterranean Moray to your game! This cooler water species is a staple of European reefs.3.9k downloadsupdated 8 mo ago
- Rounded Tunnel Tankby 1electronIt's pretty much exactly what it sounds like.3.8k downloadsupdated 5 y ago
- Great White Sharkby nightmare6445Add the Great White Shark to your game. Can't take credit for the models I got them from zoo tycoon 2 and edited and animated them for Megaquarium.3.8k downloadsupdated 7 y ago
- Sunken Deep Tanks Rebuiltby stlnegril9This mod revives some unpublished game models as Sunken Deep Tanks Rebuilt. Includes Sunken versions of Deep Wall, Deep Corner, Deep Observer, and Deep Outcrop Tanks. Note the models are in the existing game but are not currently used. The tanks are the same as existing tanks, but with sunken bot...3.8k downloadsupdated 7 y ago
- H.A.A.I. - Disco Mushroomsby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...3.8k downloadsupdated 6 y ago
- Khaydar's Bazaar - Monterey Bay Aquarium Packby KhaydarDisclaimer: This mod and author have no ties with the Monterey bay Aquarium. This is a fan work inspired by the aquarium and falls under fair use. Contains 4 tanks and an autofeeder. - Small wall Kreisel and Wall Kreisel These tanks are not multi-size, cannot have scenery (like real life kreisels...3.8k downloadsupdated 6 y ago
- Sessile Invertebrates Packby FlishsterAdds four new sessile invertebrates to your game: The Eastern Oyster, the Green Anemone, the Haddon's Carpet Anemone, and the Rock Flower Anemone!3.8k downloadsupdated 8 mo ago
- Khaydar's bazaar - China Rockfishby KhaydarAdds the China rockfish (Sebastes nebulosus) to your game! Deep Freeze Update: - Added Scientific name - Is compatible with Superchilled for those that have the DLC3.8k downloadsupdated 3 y ago
- Dwarf Snakehead Packby FeelTheDangoThe Dwarf Snakehead Pack adds 3 new species of Dwarf Snakehead to your game! Don't be fooled by their size, they are as fit for hunting as their bigger relatives, so placing small fish with them should be avoided. This pack includes: The Rainbow Snakehead (Channa bleheri) The Ornate Snakehead (Ch...3.8k downloadsupdated 6 y ago
- Khaydar's Bazaar - Eternal Midnightby KhaydarThis is a pack about the Pacific hydrothermal vents. Contains the following: - East-Pacific Ventbrotula - Brown Hagfish - Hydrothermal vent clams - Hydrothermal vent crabs ---- UPDATED FOR DEEPFREEZE---- Added Abyssal tank compatibility Removed old Abyssal tank Scientific names Stat Update NOW RE...3.8k downloadsupdated 3 y ago
- 1 Wide x15 Stretch Tank - Deepby stlnegril9This mod adds a simple DEEP 1 wide tank adjustable from 2 to 15 tiles long. Can use lights. Useful for filling in long narrow unused spaces, but limited tank capacity. Thanks to Bosjesman and Toxo who probably contributed to creation of this tank at some point.3.8k downloadsupdated 7 y ago
- Ninja Woodcatby grosseberthaI am happy to propose you the ninja Woodcat (Tatia musaica), a small catfish species.3.8k downloadsupdated 6 y ago
- The World's Rivers - Little Critters Of The United Statesby Irritating FishThe United States has lots of little creatures that are often overlooked. Some of these are strikingly colorful! Here is what is in this pack: Queen Watersnake (Regina septemvittata) Chain Pickerel (Esox niger) Piebald Madtom (Noturus gladiator) Stonecat (Noturus flavus) Hogchoker (Trinectes macu...3.8k downloadsupdated 3 y ago
- Northern Hemisphere Packby FlishsterAdds a small host of large predatory fish from the Northern Hemisphere, including the northern pike, muskellunge, longnose gar, and alligator gar.3.8k downloadsupdated 6 y ago
- Khaydar's Bazaar - Penguin pack Remakeby KhaydarRemake of the old penguin pack with the new mechanics from Deep Freeze. 5 out of the original species got remade (Adelie's is now vanilla) - African Penguin (Spheniscus demersus) - Australian Blue Penguin (Eudyptula novaehollandiae) - King Penguin (Aptenodytes patagonicus) - Macaroni Penguin (Eud...3.7k downloadsupdated 3 y ago
- Angelfish Mini Packby FlishsterAdds the tiny and incredibly prized Peppermint angelfish, and the butterflyfish-like Singapore angelfish.3.7k downloadsupdated 8 mo ago
- Artificialis - Paleogene Collection IIby Tenth ArchitectAfter a long break, Artificialis returns! This new collection will be a continuation of our research into the Paleogene. With your help, we can complete our studies and bring back these ancient animals. This collection will focus on the Monte Bolca Formation, between 30 and 50 million years ago....3.7k downloadsupdated 4 y ago
- H.A.A.I. - Corals Extendedby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...3.7k downloadsupdated 5 y ago
- Raised Beach Tanksby Tenth ArchitectAdds a raised beach tank to the game! Perfect for small fish and bottom dwellers. Based off of Flishster's Raised Tanks.3.7k downloadsupdated 6 y ago
- Orange Cup Coralby FlishsterAdds the Orange Cup Coral to your game. This coral is found primarily in temperate waters, or areas of the tropics where it's too dark and cold for normal corals to survive.3.7k downloadsupdated 6 mo ago
- Comb Jelly Packby FlishsterAdds some squishy friends for your aquarium! :)3.7k downloadsupdated 8 mo ago
- Freshwater Shark Trio Pack 1by grosseberthaAdd 3 species commonly called Shark from Freshwater, the Paroon Shark (Pangasius sanitwongsei), the Harlequin Shark (Labeo cyclorhynchus) and the Roseline Shark (Sahyadria denisonii).3.7k downloadsupdated 5 y ago
- Donut Viewing PlatformTankby stlnegril9This mod adds bosjesman's Donut Tank idea to a Platform Feeding tank.3.7k downloadsupdated 6 y ago
- Diagonal Tanks Packby 76561198842575853Adds 4 tanks with diagonal corners3.7k downloadsupdated 8 mo ago
- H.A.A.I. - Royal Dottybackby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...3.7k downloadsupdated 6 y ago
- FF Giant Fish Extension Pack 2by grosseberthaI am happy to propose you the FF Giant Fish Pack 2, with a total of 5 species. expand your fish selection with: - Siamese Giant Carp ( Catlocarpio siamensis ) - Russian Sturgeon ( Acipenser gueldenstaedtii ) - Grass Carp ( Ctenopharyngodon idella ) - Blue Sucker ( Cycleptus elongatus ) - Kelberi...3.7k downloadsupdated 6 y ago
- Khaydar's Bazaar - Cetacean minipack 6by KhaydarThe sixth part of the cetacean pack series, contains: - Risso's Dolphin - Gray's Spinner Dolphin - Striped dolphin DF update - Adds shoaling -Adds enrichment ** Note Researching on gender unlocks the other one.3.7k downloadsupdated 3 y ago
- Blue Lined Grouperby grosseberthaAdd the blue lined grouper to your game! (Cephalopholis formosa)3.7k downloadsupdated 6 y ago
- Khaydar's Bazaar - Cetacean minipack 2by KhaydarAdds two common cetaceans in captivity, the beluga and short finned pilot whale. Needs diverse diets for the pilot whale, as well as the special sounds library. 2.0 Remake----- Adds male and female versions. Does NOT requires FF anymore3.7k downloadsupdated 3 y ago
- H.A.A.I. - Pirapitingaby AnubiteWe are pleased to see you choose Hippocampus Aquatic Animal Import for your animal needs. Hippocampus Aquatic Animal Import brings you the newest species for your aquarium! All our animals are quarantined before they are brought into the buyers facility. We only import animals that are currently...3.7k downloadsupdated 6 y ago
- Bronze whaler sharkby grosseberthaAdd the bronze whaler shark to you'r game!. he has no temperatures requirements because this species can be found in tropical and coldwater. although he tends to prefer tropical waters but it s a choice3.7k downloadsupdated 6 y ago
- Artificialis - Elasmobranchii Collectionby Tenth ArchitectAfter our studies through the ages, we’ve moved on to focusing on specific clades of extinct organisms. This collection focuses on Cenozoic members of the Elasmobranchii, the group made up of sharks, rays, skates and sawfish. This collection has animals present from the locations our previous stu...3.6k downloadsupdated 4 y ago
- Chromis packby grosseberthaadd the chromis pack composed of Mediterranean Chromis (Chromis chromis), Black and gold Chromis (Neoglyphidodon nigroris), Blue Reef Chromis (Chromis cyanea), Barrier Reef Chromis (Chromis nitida) and the Azores Chromis(Limbata chromis).3.6k downloadsupdated 5 y ago
- Artificialis - Neogene Collectionby Tenth ArchitectWe’ve arrived at the end, the final era pack of Project Artificialis! This new collection will be a continuation of our research into the Neogene. With your help, we can complete our studies and bring back these ancient animals. This collection will focus on the Pisco Formation, between 2 and 15...3.6k downloadsupdated 4 y ago
- FF Fish Extension Pack 3by grosseberthaI am happy to propose you the FF Fish Extension Pack 3, with a total of 10 species. expand your fish selection with: - Reticulated Hillstream Loach (Sewellia lineolata) - Buescheri Cichlid (Neolamprologus buescheri) - Firemouth Cichlid (Thorichthys meeki) - Cap Lopez Killi (Aphyosemion australe)...3.6k downloadsupdated 6 y ago
- Lion's Mane Jellyfishby FlishsterAdds the Lion's Mane Jellyfish to your game! This jellyfish is one of the largest species, and makes an excellent centerpiece for a coldwater room.3.6k downloadsupdated 2 y ago
1.3k mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.