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
- Pelagica - Finch Quartetby 1electronAdds several small finch-like birds to your game. The birds added here are the Blue Finch (Porphyrospiza caerulescens), the Purple Grenadier (Granatina ianthinogaster), the Red Crossbill (Loxia curvirostra), and the Spotted Munia (Lonchura punctulata). Credit to Tenth Architect for making this wh...1.7k downloadsupdated 5 y ago
- Indo-Pacific Horseshoe Crabby nightmare6445Add the Indo-Pacific Horseshoe Crab to your game.1.7k downloadsupdated 7 y ago
- Nile Delta Toadby MjmannellaAdds a new African amphibian to your aquariums, the Nile delta toad! (Amietophrynus kassasii) Special thanks to Irritating Fish for the model!1.7k downloadsupdated 3 y ago
- South African Sealife Packby 76561198880010479Situated at the boundary of the Indian and Atlantic Oceans and possessing multiple unique temperature zones, South Africa harbours some incredible marine biodiversity, including many species found nowhere else on Earth! This pack adds 10 species from South Africa to your game. This pack contains:...1.7k downloadsupdated 2 y ago
- Snail Madnessby 76561199057124724This mod adds a lot of snail species to your game. Note: not all species is included in the pictures on this mod page. if you want to see it, subscribe to the mod, play the game and discover it! Contents: Zebra Nerite Snail (Vitta zebra) Orange Footed Onch Slug (Onchidium griseum) Black Devil Sna...1.7k downloadsupdated 5 y ago
- Gulf Stream Aquaria - Garden Eel Packby RappyGarden eels can be considered many things: cute, eccentric, shy. And most importantly, they can be considered to have more species now available in your aquariums! This pack contains the following four members of the genus Heteroconger: -Brown Garden Eel (Heteroconger longissimus) -Leopard Garden...1.7k downloadsupdated 3 y ago
- One Tile Scenery - DFby SardineDeep Freeze DLC's scenery (landscaping and enrichment objects) modded to take up just one tile, to make placement more convenient. As a bonus, frozen decoration gives chilling and cave for tank inhabitats.1.7k downloadsupdated 3 y ago
- Horn Sharkby Sharking AroundThe horn shark (Heterodontus francisci) is a species of bullhead shark, in the family Heterodontidae. It is endemic to the coastal waters off the western coast of North America, from California to the Gulf of California. Young sharks are segregated spatially from the adults, with the former prefe...1.7k downloadsupdated 3 y ago
- BLUE - Granrojoby Irritating FishWelcome the mysterious and alien like Granrojo (Tiburonia granrojo) to your aquariums at rank 11!1.7k downloadsupdated 5 y ago
- Khaydar's Bazaar - Porbeagle sharkby KhaydarAdds everyone's favourite chibi great white shark, the porbeagle (Lamna Nasus) to the game. Look at those puppy eyes, I know you want to bring it home. Unlocked at rank 12 Deep Freeze Update: SuperChilled compatible, can be used with or without Deep Freeze1.7k downloadsupdated 3 y ago
- Black Spot Piranhaby 76561198880010479Adds the Black Spot Piranha to your game. A smaller piranha species with a distinctive black spot behind the gills. As the fish ages, this spot fades and completely dissapears. #TwoYearAnniversary1.6k downloadsupdated 3 y ago
- CA - Boxfish Duoby ManoZika7Thanks for checking out the very first mod from Cinnabar Aquarism! This mod adds two unique looking boxfish to your game, the horn-nosed boxfish and the humpback turretfish.1.6k downloadsupdated 6 y ago
- Khaydar's Bazaar - Pantanal Specialby KhaydarReally Khaydar, a jaguar? -Yes. A FREAKING JAGUAR ! - Actually 2 of them as the melanistic version is it's own thing. Why you ask, because I wanted them to not tolerate other individuals, like in real life. And because after the territorial stat came out no one uses dislike conspecifics anymore....1.6k downloadsupdated 6 y ago
- Pelagica - Lumpsucker Trioby 1electronAdds three new lumpsucker species to your game! This mod includes the Pacific Spiny Lumpsucker (Eumicrotremus orbis), the Atlantic Spiny Lumpsucker (Eumicrotremus spinosus), and the Spotted Lumpsucker (Eumicrotremus pacificus).1.6k downloadsupdated 5 y ago
- Architect Collection Expansionby 76561198842575853Many objects to better decorate your facility. This pack includes: - Dozen of tank windows of different shapes - Higher arched roofs and glass roofs - Metal railing divider - Lookout bridge1.6k downloadsupdated 19 mo ago
- Pelagica - Return to the Poles - Ice Sceneryby 1electronThe old 'Polar Plunge' mod series is being gradually reworked. These ice decorations now properly float (although they don't work with incorrectly added tanks that use the wrong access height), as well as cooling off your tank. Not intended for use with the original ice mod, although I can't exac...1.6k downloadsupdated 5 y ago
- Khaydar's Bazaar - Fancy Raised Tanks Expandedby KhaydarUPDATED TO INVERTEBRILLIANT COLLECTION This mod adds 6 Raised tanks based on the vanilla shallow tanks. They have the same frame as the Deluxe tanks from my Monterey Bay mod, which this was supposed to be an overhaul but became their own thing. - Fancy Raised Basic Tank: - Fancy Raised Wall Tank:...1.6k downloadsupdated 8 mo ago
- Pelagica - South African Fish Packby 1electronAdds some fish from South African waters. This is part of the Modding Marathon event. Many of the fish included here can tolerate both warm and cold water. For this pack to work as intended, you should have the Diverse Diets mod and/or the Architect's Collection DLC, as both add squid as a food i...1.6k downloadsupdated 5 y ago
- Khaydar's Bazaar - Platypusby KhaydarAdds a semi-aquatic egg layin' mammal of action to your game. Requires Freshwater Frenzy as well as Diverse Diets. Unlocked at rank 12.1.6k downloadsupdated 4 y ago
- Atlantic Herringby nightmare6445Add the Atlantic Herring to your game. Can't take credit for the models I got them from zoo tycoon 2 and edited and animated them for Megaquarium.1.6k downloadsupdated 7 y ago
- Squid Squad Packby 76561198880010479Adds three simply superb squids to your game! This mod includes: Northern Pygmy Squid Japanese Flying Squid Bigfin Reef Squid1.6k downloadsupdated 14 mo ago
- Mangrove Horseshoe Crabby nightmare6445Add the Mangrove Horseshoe Crab to your game.1.6k downloadsupdated 7 y ago
- H.A.A.I. - Pink Skunk Anemonefishby 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...1.6k downloadsupdated 4 y ago
- Gulf Stream Aquaria - Red-Bellied Piranha Reduxby RappyA mod that provides a new texture, modified model, and altered stats for Freshwater Frenzy's iconic red-bellied piranha.1.6k downloadsupdated 3 y ago
- Mega Fishfoodby zytukinThis mod increases the capacity of all base game and Fresh Water Frenzy fish food dispensers. Food dispensers added by mods are NOT effected by this mod. I will be adding mod support as separate mods. After installing the mod, newly purchased dispensers will immediately have the new capacity, dis...1.6k downloadsupdated 5 y ago
- Khaydar's Bazaar - Billfish Brigadeby KhaydarAdds four marlins to your game, they're unlocked at rank 12 and bit challenging to keep. Species: -Atlantic Blue Marlin (Makaira nigricans) -Black Marlin (Istiompax indica) -Striped Marlin (Kajikia audax) -White Marlin (Kajikia albida) Credits; Models and textures from Fishing club 3D1.6k downloadsupdated 3 y ago
- Khaydar's Bazaar - North Atlantic DeepWater Sharksby KhaydarAdds 5 deep water species of sharks from the North Atlantic to your game. Species: Angular Roughshark (Oxynotus centrina) Birdbeak Dogfish (Deania calcea) Bramble Shark (Echinorhinus brucus) Great Lanternshark (Etmopterus princeps) Kitefin Shark (Dalatias licha) Requires Deep Freeze obviously, al...1.6k downloadsupdated 2 y ago
- Functional Decorations All-In-One [DEPRACATED]by whoburntmytoastDEPRECATED - will still probably work if you have all DLCs, but it has now been split into 4 mods to allow use by people without all the DLCs. Adds functionality to the various decorative items that can be placed inside tanks, allowing for more versatility with fulfilling livestock requirements....1.6k downloadsupdated 21 mo ago
- Gulf Stream Aquaria - Mexican Tetraby RappyAdds the Mexican tetra (Astyanax mexicanus), the surface form of the blind cave tetra, to your aquarium. This fish unlocks at Rank 5. Part of the Explorer modding challenge.1.6k downloadsupdated 3 y ago
- Florida Fighting Conchby 76561199057124724Adds the Florida Fighting Conch to your game! Content: Florida fighting conch (Strombus alatus)1.6k downloadsupdated 5 y ago
- Coloured Wallsby MarnitCustom modded Coloured wall paints pack.1.6k downloadsupdated 7 y ago
- CA - Clownfish Duoby ManoZika7Cinnabar Aquarism's newest mod introduces two new clownfish: the mauritian clownfish and the whitesnout anemonefish!1.6k downloadsupdated 6 y ago
- Khaydar's Bazaar - Polar Bearby KhaydarBears are not always bad news ! Don't let popular trope fool you. This mod adds the Polar Bear to your game. as a rank 12 animal. It requires : -Diverse Diets -Any mod with a larger than vanilla beach tank (The 2 mods in dependency are optional) Disclaimer: Coca-cola not included.1.6k downloadsupdated 5 y ago
- Fancy Betta Packby 76561199056670115Fancy Betta Pack including 8 different patterns of Betta splendens, also known as Siamese fighting fish or Betta(ปลากัด). -Wild pattern -Blue Marble pattern -Galaxy Koi pattern -Golden pattern -Red Copper pattern -Super Yellow pattern -Thailand Flag pattern -White Pearl pattern Biggest of thanks...1.6k downloadsupdated 5 y ago
- RickReptile Substrate Megapack (pack 1,2,3)by rickreptileRickReptile presents substrates megapack. Basicly all my substrate packs into 1 giant megapack, basicly to lower the amount of mods you need to subscribe too. currently featuring: Substrate pack 1: Substrate pack 2: Substrate pack 3: for a grand total of 150 substrates. Modders note: By downloadi...1.6k downloadsupdated 3 y ago
- Bobbit Wormby 76561199057124724Adds the Bobbit Worm to your game. Content: Bobbit Worm (Eunice aphroditois)1.6k downloadsupdated 5 y ago
- West Indian Manateeby nightmare6445Add the West Indian Manatee to your game.1.6k downloadsupdated 4 y ago
- BLUE - Saddleback Butterflyfishby Irritating FishAdd the saddleback butterflyfish (Chaetodon ephippium) to your aquariums.1.6k downloadsupdated 5 y ago
- Christmas Tree Wormsby 76561198953808259Adds six different varieties of colorful Christmas Tree Worms! Credit to Flishster for the base model :) (This is my first mod so pls be nice because I don't really know how to computer)1.6k downloadsupdated 5 y ago
- CA - Thermal Cardinalfishby ManoZika7Cinnabar Aquarism's latest mod adds cardinalfish from both sides of the color spectrum: the ice cold Seale's cardinal and the flaming hot flamefish and mediterranean cardinal. All of them are unlocked in early levels. Model edit by Grossebertha.1.6k downloadsupdated 5 y ago
- Khaydar's Bazar - Mini-hammerheadby KhaydarAdds the smaller hammerhead species in the world! The mallethead shark (Sphyrna corona) ! Unlocked at rank 9. They're SMOLL -Requires Diverse Diets mod ----Update----- -New texture and model edit1.6k downloadsupdated 3 y ago
- Berry-Tech Compact Filtersby JuniferBerriesThis mod adds an assortment of compact filters, stronger lights, and a better auto-feeder. Automatically unlocks at rank 1. Includes: Compact Freshwater Filters - Cold and Hot Compact Saltwater Filters - Cold and Hot Compact RO Machine - 500 Power Stronger AutoFeeder - This feeder is not ugly and...1.6k downloadsupdated 5 y ago
- BLUE - Blackfin Barracudaby Irritating FishWelcome the sleek shoalher, the blackfin barracuda (Sphyraena qenie), to your aquariums!1.6k downloadsupdated 5 y ago
- BLUE - Corn Crakeby Irritating FishA small rail that prefers the land, the corn crake (Crex crex), struts into your facilities! Unlocked at rank 5, this funny little European, Asian, and African bird will be sure to be a great hit. This mod requires Megaterrarium to function.1.6k downloadsupdated 5 y ago
- BLUE - Sperm Whaleby Irritating FishYou wouldn't dare. Animated by Khaydar.1.6k downloadsupdated 5 y ago
- Fantasy Coralsby 76561198953808259Add some more color to your coral pallete with these varieties - both real and imaginary (Screenshot in the gallery really doesn't do them justice btw) Six new disco mushrooms, six montipora, five plate corals, and six leather corals1.6k downloadsupdated 5 y ago
- Nerdy Penguin Aquatics - Lesser Known Sharksby RealNerdguinThis mod adds three lesser known new Sharks into your game including the stark Blacknose Shark, the wimpy Nervous Shark, and the pitch-black Bigeye Sand Tiger Shark. Credits to grossebertha for the sand tiger base1.6k downloadsupdated 2 y ago
- Gulf Stream Aquaria - Porkfishby RappyThis mod adds the porkfish (Anisotremus virginicus) to your aquariums. This fish is unlocked at Rank 5.1.6k downloadsupdated 3 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.