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
- Northern Anchovyby FlishsterAdds the northern anchovy to the game! These small fish love to be in big schools, but because of their pelagic nature need rounded corners like sharks.3.6k downloadsupdated 3 y ago
- Yellow Bellied Sea Snakeby grosseberthaAdd the Yellow Bellied Sea Snake (Hydrophis platurus) to your game.3.6k downloadsupdated 6 y ago
- Duo Shark Pack 3by grosseberthaAdd 2 new sharks species from deep water to your game , the Prickly Shark (Echinorhinus cookei) and the Caribbean Roughshark (Oxynotus caribbaeus).3.6k downloadsupdated 6 y ago
- Monkfishby grosseberthaadd the monkfish to your game .3.6k downloadsupdated 12 mo ago
- FF Giant Fish Extension Packby grosseberthaI am happy to propose you the FF Giant Fish Pack 1, with a total of 5 species. expand your fish selection with: - White sturgeon (Acipenser transmontanus) - Giant Freshwater Whipray (Himantura chaophraya) - Siamese Tigerfish (Datnioides pulcher) - Mekong Giant Catfish (Pangasianodon gigas) - Gian...3.6k downloadsupdated 5 y ago
- Potato Grouperby BosjesmanThis mod will add the potato grouper into the game.3.6k downloadsupdated 7 y ago
- BLUE - Ocean Giants Packby Irritating FishLet some oceanic giants roam into your aquarium! Tasmanian Giant Crab (Pseudocarcinus gigas) Sharptail Mola (Masturus lanceolatus) Giant Sea Spider (Colossendeis macerrima) Green Humphead Parrotfish (Bolbometopon muricatum) Giant Sea Bass (Stereolepis gigas)3.6k downloadsupdated 3 y ago
- Pelagica - Common Octopusby 1electronThe classic octopus, finally in Megaquarium!3.6k downloadsupdated 7 y ago
- Moray Eel Trio Pack 1by grosseberthaAdd 3 new Morays to your game, the Banded Moray (Gymnothorax rueppelliae), the Yellow Mouth Moray Eel (Gymnothorax nudivomer) and the Skeletor Eel (Echidna xanthospilos).3.6k downloadsupdated 5 y ago
- Khaydar's Bazaar - Cetacean minipack 4by KhaydarAdds three cetaceans kept in captivity, the Common Bottlenose dolphin, the Dusky Dolphin and the Finless Porpoise. Requires Deep Freeze because of enrichment3.6k downloadsupdated 3 y ago
- Electric Blue Damselfishby BosjesmanThis mod will add the electric blue damselfish3.6k downloadsupdated 7 y ago
- Ray duo pack 2by grosseberthaI am happy to propose you the yellow shovelnose stingaree (Trygonoptera galba) and the round ribbontail ray (Taeniura meyeni).3.6k downloadsupdated 6 y ago
- Donut Tunnel Tankby BosjesmanA giant donut tunnel tank, great for a center piece tank that leads into more directions. This mods comes with 2 tanks. A giant tunnel tank and a 3x3 square tank, place the 3x3 tank in the tunnel tank to create an amazing center piece tank. The reason that you need 2 tanks is so you can put small...3.6k downloadsupdated 6 y ago
- Khaydar's bazaar - Horseshoe tankby KhaydarMost of the fish released by us, are large, strong swimmer, that need a rounded tank. There's nothing wrong with them, however we realized that the game lacks a tank adapted for them; sure there's the Chicago tank, but it's unlocked at level 10! Until that you only have a Belfast and small tunnel...3.6k downloadsupdated 7 y ago
- Blowfish And Friends Packby FlishsterAdds the Valentini Puffer to your game! And... What's this? Also adds four filefish and two triggerfish to your game! Included are the matted filefish, thread-sail filefish, harlequin filefish, scrawled filefish, grey triggerfish, and clown triggerfish.3.6k downloadsupdated 8 mo ago
- BLUE - Mesoamerican Barrier Reef Packby Irritating FishWelcome the second largest barrier reef system to your aquarium! With an entire host of colorful Atlantic reef animals this pack feels tropical! Here is what awaits! Houndfish (Tylosurus crocodilus) Yellow Stingray (Urobatis jamaicensis) Whitefin Sharksucker (Echeneis neucratoides) Chain Moray Ee...3.6k downloadsupdated 5 y ago
- Red Sea Bannerfishby MarnitCustom modded Red Sea Bannerfish.3.6k downloadsupdated 7 y ago
- Vibrant Vivariumsby FlishsterHave you ever wanted to garden in Megaquarium? Maybe not, but with Vibrant Vivariums, not only can you grow and keep plants happy and healthy, you can combine them with a whole new host of reptiles, amphibians, and terrestrial invertebrates! Will you make the ultimate showcase of the tiny world a...3.6k downloadsupdated 4 y ago
- Khaydar's Bazaar - Museum Displaysby KhaydarThis mod adds some museum displays to educate your guests.3.5k downloadsupdated 4 y ago
- BLUE - Horrors Of The Deep - Definitive Editionby Irritating FishBehold, the weird and wonderful of the deep! In this megapack, you will discover 60+ creatures that call our deep waters home. From mammals to inverts, deep reefs to abyssal plains, and even freshwater lakes, there is something for everyone here! Featuring upcoming custom campaign maps and some s...3.5k downloadsupdated 6 mo ago
- The World's Rivers Bonus - Melanesian Estuariesby Irritating FishEstuaries, where rivers meet the sea, are an important habitat for many animals. Several primarily marine animals can be found in these brackish areas, and they may enter freshwater river mouths! In this pack, welcome some fun freshwater and brackish life of the rivers and estuaries of Melanesian...3.5k downloadsupdated 6 y ago
- Khaydar's Bazaar - Leatherback turtleby KhaydarAdds a new turtle to the game, unlocked at level 12. It works as an harder version of the green turtle. This mod requires Diverse Diets to work. Languages:English, French and Portuguese Credits to Hendrix for the leatherback model3.5k downloadsupdated 5 y ago
- One Tile Sceneryby SardineBase game scenery (plants/rocks/caves) modded to take up just one tile, allowing more dense and complex aquascaping. Larger caves also have their depth requirement removed so they can be placed in shallow water. Feb 2026 update: now works with mountable corals and plants, please take care not to...3.5k downloadsupdated 8 mo ago
- Duo Shark Pack 1by grosseberthaAdd 2 new sharks species to your game , the Mandarin Dogfish (Cirrhigaleus barbifer) and the Smalltooth Sandtiger Shark (Odontaspis ferox).3.5k downloadsupdated 6 y ago
- Koiby HumbreeBring Cyprinus rubrofuscus, the world renowned Koi to your aquarium. Koi will only breed when vertical surfaces are present.3.5k downloadsupdated 5 y ago
- Flowerhornby grosseberthaadd the Flowerhorn to your game, try to breed this species , and maybe you can have one of the 4 variant of this species :) !3.5k downloadsupdated 6 y ago
- Khaydar's Bazaar - Cetacean minipack 5by KhaydarThe fifth part of the cetacean pack series, contains: - Hector's dolphin - Irrawaddy dolphin - Atlantic white sided dolphin * DEEP-FREEZE update - Use of enrichment - Superchilled compatibility - Shoaling3.5k downloadsupdated 3 y ago
- Freshwater Pufferfish Trio Packby grosseberthaAdd 3 new freshwater Pufferfish to your game, the Redline Puffer (Tetraodon pustulatus), the Red Congo Puffer (Tetraodon miurus) and the Target Puffer (Tetraodon leiurus).3.5k downloadsupdated 6 y ago
- Pelagica - Leopard Whiprayby 1electronA big and beautiful ray!3.5k downloadsupdated 7 y ago
- Damsel Pack 2by grosseberthaadd 3 new damselfish to your game, the blueline demoiselle (Chrysiptera caeruleolineata), the blackvent damsel (dischistodus melanotus) and the princess damsel (pomacentrus vaiuli). I hope you will like them.3.5k downloadsupdated 6 y ago
- Pelagica - Tiger Sharkby 1electronOne of the largest predatory fish that can be kept in captivity. Will eat anything and everything.3.5k downloadsupdated 7 y ago
- FF Fish Extension Pack 2by grosseberthaI am happy to propose you the FF Fish Extension Pack 2, with a total of 10 species. expand your fish selection with: -Kribensis Cichlid (pelvicachromis kribensis) -Zebra chilumba (Pseudotropheus zebra chilumba) -Gold Nugget Pleco ( Baryancistrus xanthellus L018) -Aba Aba Knifefish (Gymnarchus nil...3.5k downloadsupdated 5 y ago
- Shoebillby Tenth ArchitectAdds the Shoebill to your game, which will be available at level 11 #TwoYearAnniversary3.5k downloadsupdated 5 y ago
- Khaydar's Bazaar - Cetacean minipack 3by KhaydarAdds 2 cetaceans, Harbour porpoise and false killer whale Requires Diverse Diets ** Note Researching on gender unlocks the other one. ---DeepFreeze Update----- Adds Binomial name, enrichment, new stats and more REQUIRES DEEPFREEZE3.4k downloadsupdated 3 y ago
- Stand-Up Tankby 1electronA tank that allows guests to see ground-dwelling animals at closer to their eye level. Unlike Flishster's Raised Tank, this is a freestanding tank that makes for a nice display in the middle of a small room.3.4k downloadsupdated 5 y ago
- Florida Freshwater Packby grosseberthaAdd 5 species from Florida, the River Redhorse (Moxostoma carinatum), the Suwannee Bass (Micropterus notius), the Striped Mojarra (Eugerres plumieri), the Spotted Bullhead Catfish (Ameiurus serracanthus) and the Bluenose Shiner (Pteronotropis welaka). A big thanks to IrritatingFish for the base m...3.4k downloadsupdated 6 y ago
- Bins packby grosseberthatired of the blue bin in the game, i'm happy to propose you 3 new bins !3.4k downloadsupdated 6 y ago
- Hawaiian Packby grosseberthaAdd the Hawaiian Pack to your game. There are 8 islands in Hawaii, one of them is Oahu, with the historic Pearl Harbor attack, in this pack you will find remains of crashed planes in the ocean. Since December 7, 1941, life has resumed in the ocean and these wrecks are covered with corals. In this...3.4k downloadsupdated 6 y ago
- Blue Marlinby nightmare6445Add the Blue Marlin to your game. Can't take credit for the models I got them from zoo tycoon 2 and edited and animated them for Megaquarium.3.4k downloadsupdated 7 y ago
- Duo Shark Pack 2by grosseberthaAdd 2 new sharks species to your game , the Bigeye Sixgill Shark (Hexanchus nakamurai) and the Shortail Nurse Shark (Pseudoginglymostoma brevicaudatum).3.4k downloadsupdated 6 y ago
- Starter Trio Pack 1by grosseberthaAdd 3 species for the start of your game, all are auto-unlock at lvl 1, the Golden Dwarf Moray Eel (Gymnothorax melatremus), the Striped Dottyback (Pseudochromis sankeyi) and the Blackbar Devil (Plectroglyphidodon dickii).3.4k downloadsupdated 6 y ago
- Bigger Beach Tanks Packby stlnegril9This mod adds 4 Beach Tanks with higher land capacity for more/larger reptiles in your aquarium. The Beach Tanks are: -U Lagoon Beach Tank. -Lake View Beach Tank. -Peninsula Beach Tank. -Central Lake Beach Tank.3.4k downloadsupdated 6 y ago
- Jaguar Catfishby grosseberthaI am happy to propose you the jaguar catfish (Liosomadoras oncinus).3.4k downloadsupdated 6 y ago
- Happy Saw-Lidays Packby FlishsterHappy Holidays! This pack adds the Smalltooth Sawfish and Japanese Sawshark to your game.3.3k downloadsupdated 8 mo ago
- Grouper Trio Pack 1by grosseberthaAdd 3 new Groupers to your game, the Lyretail Grouper (Variola louti), the Banded Grouper (Epinephelus amblycephalus) and the Areolate Grouper (Epinephelus areolatus).3.3k downloadsupdated 6 y ago
- Wrasse Packby FlishsterAdds four new wrasse to the game! Included are the napoleon wrasse, white-banded possum wrasse, bluehead wrasse, and red coris wrasse.3.3k downloadsupdated 8 mo ago
- Column Tanks packby 76561198842575853Collection of vertical tanks that have very high volume and constrained floor space. Good for shoalers or active swimmers with low scenery dependance. Column height allows guests to view them from one tile away! Will also have your employees to climb a lot. Credits to rickreptile for fixed tank_w...3.3k downloadsupdated 8 mo ago
- Extra Walls Packby LiloA collection of fun wallpapers to add some more variety to your aquarium!3.3k downloadsupdated 7 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.