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
- Uber Staffby ArchitectThis mod adds max level Über Staff to your game right from the start. Be warned: high level staff are expensive if you're not playing in sandbox mode!1.9k downloadsupdated 7 y ago
- BREEDABLE MN Toadsby 76561198953808259Adds two MN native amphibians to your aquarium - the American toad and the Canadian toad. Special thanks to Irritating Fish for the model! // V 2 BREEDABLE EDIT: Canadian and American toads can come in a variety of colors depending on their location and habitat! Now each toad variety has six diff...1.9k downloadsupdated 5 y ago
- Deep Sea Pack - Definitve Editionby 76561198880010479Both previous Deep Sea Packs combined and updated with new mechanics from Deep Freeze, plus some new animals! This mod contains: Amadako Octopus Azuma Perchlet Big Rougy Boarfish Botan Shrimp Cherry Blossom Seastar Deep Sea Spider Deep-sea Skate Deep-sea Sole Deepwater Arrowtooth Eel Eightbar Gro...1.9k downloadsupdated 2 y ago
- Japanese Sealife Pack Part 2 - The Depthsby 76561198880010479Adds 32 species from the depths that surround Japan to your game. This mod includes: Acutenose Skate (Dipturus tengu) Alaska Pollock (Gadus chalcogrammus) Barrel Amphipod (Phronima sedentaria) Blackspotted Sea Cucumber (Parastichopus nigripunctatus) Bone-eating Worm (Osedax sp.) Boschma's Dendro...1.9k downloadsupdated 8 mo ago
- Atlantic Tarponby RappyAdds the Atlantic tarpon (Megalops atlanticus), the legendary 'silver king', to your aquarium. This fish unlocks at Rank 10.1.9k downloadsupdated 5 y ago
- Abyssal Packby 76561198880010479Adds eight species for your abyssal tanks! This mod includes: Oriental Armoured Gurnard Doederlein's Giant Isopod Glass Squid Grideye Stoplight Loosejaw Pacific Footballfish Thorny Tinselfish Wolftrap Seadevil1.9k downloadsupdated 21 mo ago
- MyAccessory1by stlnegril9This 3 Pack mod adds 3 new Staff Accessories. -Black Turtle Neck ---Increases Talking by 50 ---Improves Staff memory by 10 ---counts as a MicHeadset for giving talks -Vacuum Pack ---Increases Cleaning Skill by 8 ---Improves Fitness Talent by 1 ---counts as a Broom for cleaning rubbish -SuperPower...1.9k downloadsupdated 6 y ago
- Pelagica - Polar Plunge - Jelliesby 1electron2 jellies for Polar Plunge. Credits to Timmiegun. Featured are the Northern Sea Nettle and the Antarctic Diplulmaris.1.9k downloadsupdated 7 y ago
- RickReptile Coral Mega Packby rickreptileReptile Productions presents coral mega pack. featuring the corals off all my coral packs, this megapack is made if you want to use all coral packs and want to make your mod list a bit shorter. Coral Pack 1: Coral Pack 2: Coral Pack 3: Modders note: By downloading/using this mod you agree to not...1.9k downloadsupdated 3 y ago
- Gulf Stream Aquaria - Swallowtail Seaperchby RappyAdds the swallowtail seaperhch (Anthias anthias), also known as the marine goldfish or simply 'anthias', into your game. This fish unlocks at Rank 8.1.9k downloadsupdated 3 y ago
- Great Barrier Reef Packby 76561198880010479Explore the diversity of life on the world's largest coral reef system with these 30 species! This pack includes: Arceye Hawkfish Arrow Dartfish Barred Soapfish Bicolour Goatfish Blackaxil Chromis Blacksaddle Coralgrouper Blue Assessor Brassy Trevally Coral Rabbitfish Dark Surgeonfish Doubleline...1.9k downloadsupdated 2 y ago
- Touch Pool Tanks Packby 76561198842575853Four large shallow tanks suitable for creation of touch pools.1.9k downloadsupdated 8 mo ago
- Reef Triggerfishby RappyAdds the reef triggerfish (Rhinecanthus rectangulus), Hawaii's state fish, to your aquarium. This fish unlocks at Rank 4. Credit to grossebertha for the base model.1.9k downloadsupdated 5 y ago
- Gulf Stream Aquaria - Conspicuous Angelfishby RappyAdds the conspicuous angelfish (Chaetodontoplus conspicillatus) to your game. This rare and expensive aquarium denizen is found in the Great Barrier Reef, Lord Howe Island, and New Caledonia. Unlocks at Rank 10.1.9k downloadsupdated 8 mo ago
- Australian Sealife Bonus Pack - White-Barred Boxfishby 76561198880010479Adds the White-Barred Boxfish to your game! The White-Barred Boxfish (Anoplocapros lenticularis) is a member of the family Aracanidae, a group closely realated to but a bit more primitive than the true boxfish. It dwells in deep water off the southern end of Australia and feeds on invertebrates....1.9k downloadsupdated 5 y ago
- Gulf Stream Aquaria - African Pygmy Angelfishby RappyAdds the African pygmy angelfish (Centropyge acanthops) to your game. This feisty fireball of a fish fears little and will nip at almost any sessile invertebrate in its reach. Unlocks at Rank 6. Part of the small fish modding challenge.1.9k downloadsupdated 3 y ago
- African Banded Barbby RappyThis mod adds the African banded barb (Enteromius fasciolatus) to your aquarium. These colorful crepuscular cyprinids are found across a wide swath of south-central Africa, living in various acidic blackwater habitats from gently flowing rainforest streams to vast floodplains. Unlocks at Rank 6.1.9k downloadsupdated 5 y ago
- BLUE - Bunch O Blenniesby Irritating FishLet loose a bunch of beautiful blennies to your aquariums, representing 5 of the 6 major blenny families! Butterfly Blenny (Blennius ocellaris) Mexican Barnacle Blenny (Acanthemblemaria macrospilus) False Cleanerfish (Aspidontus taeniatus) Giant Kelpfish (Heterostichus rostratus) False Whitesaddl...1.9k downloadsupdated 4 y ago
- H.A.A.I. - Nosestripe 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...1.9k downloadsupdated 4 y ago
- Pelagica - Polar Plunge - Shoalersby 1electron4 shoaling species for Polar Plunge Includes: -Capelin -Antarctic Silverfish -Saida Cod -Antarctic Krill1.9k downloadsupdated 7 y ago
- Phanerium - Baijiby SynchroLightThe critically endangered, possibly extinct, Baiji is now available for your Phanerium! Created as part of the Endangered Fish Modding Marathon on the Megaquarium Discord server. This mod requires the Freshwater Frenzy expansion in order to function.1.9k downloadsupdated 5 y ago
- BLUE - Piraputangaby Irritating FishA large, abundant fish of the Pantanal, the piraputanga (Brycon hilarii) joins your aquariums! Looking much like the larger, more agressive dorado, these fish will be a much more peaceful option when stocking your tanks.1.9k downloadsupdated 6 y ago
- Flish Goby Packby FlishsterAdds a small selection of gobies to your game! :)1.9k downloadsupdated 8 mo ago
- Pelagica - Poison Dart Frogs IIby 1electronThis is the second of several mods which will add various poison dart frog species for your terrariums. This mod includes species from the genus Adelphobates: the Brazil-Nut Poison Frog, Splashback Dart Frog, and Rio Madeira Poison Frog. Some frogs are fully breedable with various possible morphs...1.9k downloadsupdated 5 y ago
- Khaydar's Bazaar - Largehead Hairtailby KhaydarAdds the Largehead Hairtail (Trichiurus lepturus) to the game as a rank 10 fish1.9k downloadsupdated 5 y ago
- Flame Box Crabby 76561199057124724Adds the Flame Box Crab to your game! Content: Flame Box Crab (Calappa flamea)1.9k downloadsupdated 5 y ago
- B.A.D. Laboratories Archelonby nightmare6445Here at B.A.D. Labs we are pleased to announce that our de-extinction department has successfully resurrected the Archelon. The archelon is the largest turtle known to have ever existed. It's diet mostly consists of jellyfish like other sea turtles but could have possibly used it beak to eat crus...1.9k downloadsupdated 3 y ago
- Australian Sealife Bonus Pack - Endangered and Vulnerableby 76561198880010479Three threatened species from the oceans of Australia for your aquariums! Includes: - Orange Roughy (Hoplostethus atlanticus) - Ornate Eagle Ray (Aetomylaeus vespertilio) - Three-Spot Seahorse (Hippocampus trimaculatus)1.9k downloadsupdated 5 y ago
- Pelagica - Zebra Loachby 1electronA loach. #TwoYearAnniversaryChallenge1.9k downloadsupdated 6 y ago
- Sea Lampreyby FlishsterAdds the Sea Lamprey to your game!1.9k downloadsupdated 3 y ago
- Khaydar's Bazaar - Cetacean minipck; Tiny giantsby KhaydarAdds 2 small baleen whales, the pygmy wright whale and the dwarf minke whale to the game. Updated for DeepFreeze1.9k downloadsupdated 3 y ago
- Triggerfish Industries - Slug Expansion Packby 76561199033220748Adds 5 unique slugs to the game. Sorry for any inconveniences caused by the deletion for the 3 other slug packs. Credits to Khaydar for the Models and Megaterrarium as a whole1.9k downloadsupdated 6 y ago
- Pelagica - Yellowcheek Bassletby 1electronAdds the Yellowcheek Basslet (Gramma linki) to your game.1.9k downloadsupdated 6 y ago
- Bubble Technology - Tank Depthby AnubiteCreate depth in any of your aquaria by using this object!1.8k downloadsupdated 7 y ago
- Pelagica - Polar Plunge - Oddballsby 1electron4 species for Polar Plunge. Included are the Bering and Starry Flounders, as well as the Bering and Leopard Wolffish.1.8k downloadsupdated 7 y ago
- Marine Snail Duoby 76561199057124724Adds two new marine snail species to your game. Content: Florida Horse Conch (Triplofusus giganteus) Banded Tulip (Cinctura lilium)1.8k downloadsupdated 5 y ago
- Pelagica - Pupfish Collectionby 1electronThis mod adds several (well, 38) pupfish of the genus Cyprinodon. Because these are very small, many of these fish appear as more than one individual ingame. Included are the Devils Hole Pupfish, Potosi Pupfish, Blackfin Pupfish, Leon Springs Pupfish, Scale-Eating Pupfish, Bolson Pupfish, Cuatro...1.8k downloadsupdated 6 y ago
- Pelagica - Cookie Starsby 1electronA few cookie stars (genus Ceramaster) for your game. This mod includes the Cookie Star (C. patagonicus), Arctic Cookie Star (C. arcticus), Red Cookie Star (C. japonicus) and Cushion Star (C. granularis).1.8k downloadsupdated 3 y ago
- Phanerium - Haikouichthysby SynchroLightAdds Haikouichthys to your Phanerium, a 2.5cm long Myllokumnigiid hailing from the Cambrian Explosion.1.8k downloadsupdated 6 y ago
- Freshwater Frenzy Entranceby stlnegril9This mod changes the Entrance to show flags from the base Megaquarium Game and the Freshwater Frenzy Flag.1.8k downloadsupdated 6 y ago
- Pelagica - Polar Plunge - Crabsby 1electron4 crabs for Polar Plunge. Featured are the Northern Hairy Hermit Crab, the Colorful Hermit Crab, the Chilean King Crab, and the Alaskan King Crab. Note: none of these are actually considered crabs.1.8k downloadsupdated 7 y ago
- Sea Pen Trioby 76561199057124724Adds 3 new sea pens, which is a great addition your deep sea aquariums. Contents: Great Sea Pen (Sarcoptilus grandis) Fleshy Sea Pen (Ptilosarcus gurneyi) Gray Sea Pen (Pteroeides griseum)1.8k downloadsupdated 5 y ago
- Palearctic Plungeby Sharking AroundConsisting of Eurasia north of the Himalayas, the northern Arabian peninsula, and North Africa, the Palearctic is by no small measure the largest of the planet's eight biogeographic realms. This pack brings the following five species from this biodiverse land to your aquariums: -Chinese perch (Si...1.8k downloadsupdated 4 y ago
- Mega Backpackby zytukinIt didn't make sense to me that an employee can carry 50 fish food without a backpack and a backpack only allowed them to carry 50 more. Backpacks can hold a lot of stuff. So this mod increases the backpack capacity to allow employees to carry up to 500 fish food at a time. It also didn't make se...1.8k downloadsupdated 5 y ago
- Louisiana's Waters 2-Offshore and Pelagicby RappyThe second in a line of mods featuring fish that can be found within the waters off the US state of Louisiana, this pack features six species that tend to congregate offshore or in the upper water column. These are: -Black jack (Caranx lugubris); unlocks at Rank 7 -Crevalle Jack (Caranx hippos);...1.8k downloadsupdated 3 y ago
- Slender Lizardfishby Irritating FishWelcome the slender lizardfish (Saurida elongata) to your aquariums! This fish, native to the Northwestern Pacific Ocean, is ulocked at rank 8.1.8k downloadsupdated 6 y ago
- Japanese Freshwater Life Pack Part 2by 7656119888001047930 more freshwater animals from Japan for your aquariums! This pack includes: Amur Carp (Cyrpinus rubrofuscus) Aobara-yoshinobori (Rhinogobius sp. BB) Barbel Steed (Hemibarbus labeo) Biwa Seta Clam (Corbicula sandai) Biwa-yoshinobori (Rhinogobius biwaensis) Chinese False Gudgeon (Abbottina rivula...1.8k downloadsupdated 13 mo ago
- Ocypodidae Packby 76561199057124724Adds 5 species of fiddler crabs and ghost crabs (Ocypodidae) and a cave decor to your game. Contents: Gulf Coast Fiddler Crab (Leptuca panacea) Thick Legged Fiddler Crab (Paraleptuca crassipes) Atlantic Ghost Crab (Ocypode quadrata) Atlantic Mud Fiddler Crab (Minuca pugnax) Banana Fiddler Crab (A...1.8k 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.