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
- B.A.D. Laboratories Mosasaurusby nightmare6445Here at B.A.D. Labs we are pleased to announce that our de-extinction department has successfully resurrected the Mosasaurus. This large ocean predator is not actually a dinosaur, but a marine reptile. Its double hinged jaws open wide allowing them to feed on all manner of ocean life, even great...2.1k downloadsupdated 3 y ago
- Phanerium - Dodoby SynchroLightThis mod adds in the symbol of extinction itself into your Phanerium, the Dodo! This mod was commissioned by MJmanella, and the reconstruction itself was made using a mix of references from: Ustad Mansure dodo Painting Various firsthand and secondhand descriptions of the animal in life2.1k downloadsupdated 6 y ago
- Abyssal Tanks Packby 765611988425758539 shiny new abyssal tanks. Prepare your science. Don't put tall objects in floor tanks, they will clip out.2.1k downloadsupdated 8 mo ago
- Marbled Motoro Stingrayby HarryLMMAn additional species of freshwater stingray for your aquariums. Requires Freshwater Frenzy.2.1k downloadsupdated 6 y ago
- Chocolate Surgeonfishby RappyAdds the chocolate surgeonfish (Acanthurus pyroferus) to your game, featuring juvenile and adult stages of growth. A great choice for peaceful reef tanks...as long as there aren't any other surgeonfish around. Unlocks at Rank 9.2.1k downloadsupdated 5 y ago
- Gulf Stream Aquaria - North New Guinea Rainbowfishby RappyAdds the North New Guinea rainbowfish (Melanotaenia affinis) to your game. This fish unlocks at Rank 6.2.1k downloadsupdated 3 y ago
- B.A.D. Laboratories Dunkleosteusby nightmare6445Here at B.A.D. Labs we are pleased to announce that our de-extinction department has successfully resurrected the Dunkleosteus. This is one of the most frightening looking prehistoric fish. It has large bone blades instead of teeth that continuosly sharpened themselves as the dunkleosteus opened...2.1k downloadsupdated 3 y ago
- Yellowtail Snapperby RappyAdds the yellowtail snapper (Ocyurus chrysurus) to your game. This fish unlocks at Rank 5. Part of the Gulf of Mexico modding challenge.2.1k downloadsupdated 5 y ago
- Gulf Stream Aquaria - Long Tank Displaysby RappyAdds longer tanks to the deep wall category for some added variety in displays.2.1k downloadsupdated 8 mo ago
- BLUE - Australian Sea Appleby Irritating FishA strikingly colorful sea cucumber, the toxic Australian Sea Apple (Pseudocolochirus axiologus) joins your aquariums at rank 6!2.1k downloadsupdated 5 y ago
- BLUE - Underworld Windowskateby Irritating FishFrom the deep depths of the Gulf of Mexico comes this tiny skate with a spooky name, the Underworld Windowskate (Fenestraja plutonia)! Amaze your guests with this deep sea dweller.2.0k downloadsupdated 6 y ago
- Khaydar's Bazaar - Abzuquarium Animalsby KhaydarThis mod adds 15 new animal species from the game Abzû. Those species are all living species. Species list (so far): Shark - Great White (Carcharodon carcharias) Schooling Fish - Black Scabbardfish (Aphanopus carbo) - Five-lined snapper (Lutjanus quinquelineatus) - Common Fangtooth (Anoplogaster...2.0k downloadsupdated 3 y ago
- AutoForAllby InspirownAuto feeders for all foods and a variety of capacities. New in v1.2: Skilled feeding!2.0k downloadsupdated 19 d ago
- White Spotted Wrasseby Irritating FishWelcome the White-Spotted Wrasse (Anampses meleagrides), a beautiful Indo-Pacific fish, to your aquariums! It is ulocked at rank 4.2.0k downloadsupdated 6 y ago
- Gulf Stream Aquaria - Yellowtail Clownfishby RappyAdds the yellowtail clownfish (Amphiprion clarkii) to your game. This fish unlocks at Rank 7. Part of the Arabian Sea modding challenge.2.0k downloadsupdated 3 y ago
- Madagascar Freshwater Quartetby RappyOne of the planet's great hotbeds of biodiversity, a number of fascinating fish can be found in the streams, rivers, and lakes of Madagascar. This pack contains four small fish endemic to Madagsacar that can also be found in aquariums: -Madagascar Rainbowfish (Bedotia madagascariensis); unlocks a...2.0k downloadsupdated 5 y ago
- Gulf Stream Aquaria - Zebra Plecoby RappyAdds the zebra pleco (Hypancistrus zebra) to your aquarium. This fish unlocks at Rank 6. Part of the Explorer modding challenge.2.0k downloadsupdated 3 y ago
- Khaydar's Bazaar - Zebra Sharkby KhaydarAdds the zebra shark, with 4 different growth stages (Egg, juvenile, subadult, adult). Sharks are bought as juveniles. Requires the either FF or DF DLCs since the shark can breed. --------------------------------------------------------------------------------------- Update: New models, stats and...2.0k downloadsupdated 23 mo ago
- RickReptile Mangrove Sceneryby rickreptileRickReptile presents Mangrove Pack. This pack is filled with new scenery that will fit perfectly with your mangrove, swamp, tropcial themed tanks/areas. Each tree has 3 different sizes and some trees got a variant of bigger and higher roots. Modders note: By downloading/using this mod you agree t...2.0k downloadsupdated 22 mo ago
- Small floor arrowsby ShrimpRangerThis mod adds small floor arrows2.0k downloadsupdated 5 y ago
- Pelagica - Brackish Creaturesby 1electronWhere the roaring rivers meet the great big sea, there is quite a bit to be found. The estuaries of the world are inhabited by a variety of unusual creatures that spend their lives in a peculiar, changing environment. This mod aims to bring some of them from around the world to your aquariums by...2.0k downloadsupdated 4 y ago
- Vibrant Vivariums - Reduxby FlishsterVibrant Vivariums is back with over 30 new animals for your vivariums- with new challenges to housing them. Are you ready to rise from the forest floor to the tree canopy and the montane forests? Are you prepared to breed old and new reptiles alike? IMPORTANT: DO NOT USE ALONGSIDE THE ORIGINAL VI...2.0k downloadsupdated 7 mo ago
- European Sealife Packby 76561198880010479This mod contains: Brill Common Dab Common Skate Common Smoothhound Common Two-banded Seabream European Anchovy European Common Octopus Mediterranean Anthias Mediterranean Chromis Mermaid's Wineglass Pointed-snout Wrasse Spottail Mantis Shrimp Credit goes to SaltbrushC for the base model for the...2.0k downloadsupdated 2 y ago
- Australian Lungfishby Tenth ArchitectAdds the Australian Lungfish to your game, which will be available at level 9.2.0k downloadsupdated 5 y ago
- Rainforest Stump - Non-Terrarium Versionby 1electronAdds a version of the Rainforest Stump (added in the Stand-Up Terrarium mod) that can be used in non-terrarium setups.2.0k downloadsupdated 5 y ago
- Australian Freshwater Packby 76561198880010479Adds 19 species from a land down under, where beer does flow and men chunder, to your aquarium! This pack includes: Seven-spot Archerfish Queensland Lungfish Broad-shelled River Turtle Common Galaxias Congolli Eastern Dwarf Galaxias Empire Gudgeon Freshwater Longtom Freshwater Whiptail Ray Freshw...2.0k downloadsupdated 8 mo ago
- Crabs Trio Packby 76561199057124724Adds 3 new crabs to your game. Contents: Spanner crab (Ranina ranina) Yuyu (Parathelphusa convexa) Asian stone crab (Myomenippe hardwickii)2.0k downloadsupdated 5 y ago
- Boarfish trio Pack 1by grosseberthaAdd 3 Boarfish to your game, The Longsnout Boarfish (Pentaceropsis recurvirostris), the Striped Boarfish (Evistias acutirostris) and the Longfin Boarfish (Zanclistius elevatus).2.0k downloadsupdated 5 y ago
- Functional Decorations (Base)by whoburntmytoastAdds functionality to the various decorative items that can be placed inside tanks, allowing for more versatility with fulfilling livestock requirements. Base-game only, submods for the DLCs are linked below. Strongly recommend pairing with One Tile Scenery for full versatility in customising tan...2.0k downloadsupdated 11 mo ago
- BLUE - Soraby Irritating FishA small and elusive bird, the Sora (Porzana carolina), is now available for your aquariums! Unlocked at rank 7, these birds need many plants to keep them happy!2.0k downloadsupdated 5 y ago
- B.A.D. Laboratories Liopleurodonby nightmare6445Here at B.A.D. Labs we are pleased to announce that our de-extinction department has successfully resurrected the Liopleurodon. Liopleurodon is a pliosaur whose name means smooth-sided teeth. They grew to be around 23 feet long and like whales, this creature has to surface to breathe air. Take ca...2.0k downloadsupdated 3 y ago
- Display Tables and Itemsby stlnegril9This mod adds Display Tables and Items to display on them. Some of the Display Tables have large attraction ranges, which may help in managing guest traffic, even if they don't successfully view your displayed item(s).2.0k downloadsupdated 7 y ago
- BLUE - Ancient Pottery Duo Packby Irritating FishWhat is an aquarium without scenery! Here are two sets of pots painstakenly painted by the BLUE employees to vaugly resemble those of ancient lands to add some life to your aquariums!2.0k downloadsupdated 6 y ago
- Copperband Butterflyfish New Textureby grosseberthaAdd a new texture for the vanilla Copperband Butterflyfish.2.0k downloadsupdated 5 y ago
- CA - Widow spidersby ManoZika7Cinnabar Aquarism's newest mod adds 8 species of spider from the genus Latrodectus to your game: the white widow, red widow, brown widow, mediterranean black widow, brazilian black widow,, northern black widow, the Phinda button spider and the katipo. Keep an eye open for more eight-legged critte...2.0k downloadsupdated 6 y ago
- RickReptile BK aviary setby rickreptileWe at Reptile Productions noticed a rise of other companies increasing their selection of animals they want to sell to zoos and aquariums. Birds and more are no doubt coming, so we couldn't ignore that hence we are proud to present the Aviary building kit. With this set, you can easily create you...2.0k downloadsupdated 5 y ago
- BLUE - Spanish Dancerby Irritating FishWelcome one of the largest and most unique nudibranches, the Spanish Dancer (Hexabranchus sanguineus), to the Indo-Pacific parts of your aquariums! Incredibly hard to keep alive, this sea slug will keep your staff busy.2.0k downloadsupdated 5 y ago
- Wood Frogby Irritating FishThe small arctic frog, the Wood Frog (Lithobates sylvaticus), joins your aquarium! Unlocked at rank 6, this small frog will amuse your guests as it hops around.2.0k downloadsupdated 6 y ago
- Khaydar's Bazaar - Cetacean minipack; Grand Finaleby KhaydarAdds 3 large whales -Bowhead Whale - Bryde's Whale -Humpback Whale Updated to DeepFreeze2.0k downloadsupdated 3 y ago
- BLUE - Tobacco Trumpetfishby Irritating FishA real odd denizen of the Atlantic, allow the Tobacco Trumpetfish, or Bluespotted Cornetfish (Fistularia tabacaria), to amaze your guests with it's unique colors and bodyshape.2.0k downloadsupdated 6 y ago
- RickReptile cube tank packby rickreptileThis pack features small tank with a high capacity, use the special designed scenery so that they can provide each tank with enough stats. Modders note: The scenery was made a long time ago, before performance improvements, so the scenery gets a performance warning in the mod menu, however they w...2.0k downloadsupdated 3 y ago
- Japanese Freshwater Life Pack - Reduxby 76561198880010479Explore the natural beauty of Japan's freshwater biodiversity with these 32 animals! This pack includes: Amur Catfish (Silurus asotus) Asian Yellow Pond Turtle (Mauremys mutica mutica) Ayu (Plecoglossus altivelis) Biwa Oily Gudgeon (Sarcocheilichthys biwaensis) Biwa Trout (Oncorhynchus masou rhod...2.0k downloadsupdated 13 mo ago
- Pelagica - Return to the Poles - Starfishby 1electronMany species of starfish inhabit the world's waters, and this mod focuses on those found near the poles. This is functionally part of a remaster of the old 'Polar Plunge' mod series. This mod includes the North Pacific Starfish, Validus Starfish, Meridionalis Starfish, Tremaster Starfish, Wrinkle...2.0k downloadsupdated 3 y ago
- Khaydar's Bazaar - Megamouth Sharkby KhaydarRemake of the Megamouth shark (Megachasma pelagios). Replaces the old abomination with a more beautiful yet still ugly one. New model and texture, more detailled and vanilla friendly. Small tweak on stats. Al always unlockable at rank 12. DeepFreeze Update: Compatible with both normal and abyssal...1.9k downloadsupdated 3 y ago
- Pelagica - Polar Plunge - Sharksby 1electron3 sharks for Polar Plunge: -Salmon Shark -Pacific Sleeper Shark -Spiny Dogfish1.9k downloadsupdated 7 y ago
- Pelagica - Cartilaginous Duoby 1electronAdds two cartilaginous fish to your game. The Oceanic Manta Ray (not to be confused with the Reef Manta Ray, which is the species in vanilla) and the Dwarf Catshark (Scyliorhinus torrei) are the two fish included in this mod.1.9k downloadsupdated 5 y ago
- Powder Tang Packby beelman81This mod adds two Tangs to your game. The powder blue tang unlocked at rank 8 and the powder brown tang unlocked at rank 9.1.9k downloadsupdated 7 y ago
- Arabian Killifish Duoby RappyAdds the Mediterranean banded killifish (Aphanius fasciatus) and Arabian toothcarp (Aphanius dispar) to your game. These two killifish species can be found in both fresh and brackish water, and sometimes venture into the Arabian Sea. Both unlock at Rank 8. Part of the Arabian Sea modding challenge.1.9k downloadsupdated 5 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.