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
- Deep Sea Packby 76561198880010479Our expedition to the deep has come back with several specimens from the deep down dark deep down for your aquariums! This pack includes: Deep-Sea Sole (Embassichthys bathybius) - A deep-sea flatfish with beautiful patterning. Be careful to not house them with small fish or crustaceans, as they f...3.0k downloadsupdated 5 y ago
- Wrasse Trio Pack 2by grosseberthaAdd 3 wrasses to your game, the Queen Coris (Coris formosa), the Slingjaw Wrasse (Epibulus insidiator) and the Red Breasted Wrasse (Cheilinus fasciatus).3.0k downloadsupdated 6 y ago
- Turbots are bottom dwellersby AmnaaTurbots are thick Flounders are flat They lay on the sand As simple as that The turbot is now a bottom dweller and will spend most of its time near the sand.3.0k downloadsupdated 7 y ago
- Surgeonfish Trio Pack 2by grosseberthaAdd 3 new surgeonfish to your game, the Bignose Unicornfish (Naso vlamingii), the Humpback Unicornfish (Naso brachycentron) and the White Tail Bristletooth Tang (Ctenochaetus flavicauda).3.0k downloadsupdated 6 y ago
- Artificialis - Permian Bonusby Tenth ArchitectPermian Bonus In anticipation for our upcoming study into the Permian era, we are making one of the most famous Paleozoic species available to the most prestigious of aquariums; Dimetrodon grandis! As well, there will be additional features for those who also have acquired our Permian Collection...3.0k downloadsupdated 5 y ago
- Wrasse Trio Pack 1by grosseberthaAdd 3 wrasses to your game, the Broomtail Wrasse (Cheilinus lunulatus), the Mystery Wrasse (Pseudocheilinus ocellatus) and the Black Backed Wrasse (anampses neoguinaicus.3.0k downloadsupdated 6 y ago
- Deep Sea Pack - Deluxe Editionby 76561198880010479All three previous Deep Sea Packs combined and updated with new models, new textures, new mechanics from Deep Freeze, new animals, and new substrates! This mod contains: Amadako Octopus Azuma Perchlet Big Red Copepod Big Roughy Blacktip Snailfish Blob Sculpin (new) Blotched Snailfish Bluebottle-f...3.0k downloadsupdated 8 mo ago
- Freckled face tangby grosseberthaAdd the freckled face tang to you'r game!.3.0k downloadsupdated 6 y ago
- Goby Trio Pack 1by grosseberthaAdd 3 gobies to your game, the Catalina Goby (Lythrypnus dalli), the Green Banded Goby (Elacatinus multifasciatus) and the Filament Finned Prawn Goby ( Stonogobiops nematodes ).3.0k downloadsupdated 6 y ago
- Terrarium Wall Building Kitby Tenth ArchitectA collection of building pieces meant for terrariums and enclosures, as well as other scenery applications.3.0k downloadsupdated 6 y ago
- Pelagica - Bluelashed Butterflyfishby 1electronAdds yet another animal to your roster3.0k downloadsupdated 7 y ago
- H.A.A.I. - Corals Expandedby 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...3.0k downloadsupdated 5 y ago
- Brahmaputra River Packby RappyThe great Brahmaputra ('son of Brahma' in Sanskrit) is a river whose course winds through the Tibetan Plateau into Bangladesh and India, merging with the Ganges to create the vat mangrove swamps of the Sunderbans. The habitats of its drainage system are widely varied and diverse: from acidic to a...3.0k downloadsupdated 5 y ago
- Australian Sealife Packby 76561198880010479Several species from down under for your aquariums! This pack includes: Gloomy Octopus Giant Cuttlefish Eastern Blue Grouper King George Whiting Western Sea Star Giant Kelp. #TwoYearAnniversary3.0k downloadsupdated 3 y ago
- Khaydar's Bazaar - Cetacean minipack; Bonusby KhaydarA little bonus that adds the largest animal ever kept in captivity, the grey whale. Unlocked at level 12 this is going to be a challenging animal to keep. New update includes new model and sounds. A bit of stat balancing too. Updated to DeepFreeze3.0k downloadsupdated 3 y ago
- Margined Coralfishby grosseberthaI am happy to propose you the Margined Coralfish (Chelmon Marginalis).3.0k downloadsupdated 5 y ago
- Pelagica - Red Streaked Box Crabby 1electronAdds the Red Streaked Box Crab (Calappa lophos) to your game.3.0k downloadsupdated 7 y ago
- Enclosuresby Tenth ArchitectA set of large open air terrariums with low space relative to size, meant to house large terrestrial animals. This mod requires Megaterrarium to work, as it is functionally an add on for that mod. It is also rather experimental, as it is an attempt to make previously impossible animals to house f...3.0k downloadsupdated 6 y ago
- Khaydar's Bazaar - Greater Amberjackby KhaydarAdds the Greater Amberjack. (Seriola dumerili) Updated for Deep Freeze3.0k downloadsupdated 3 y ago
- Baltic and North Sea Trio Packby grosseberthaAdd 3 new fish from the Baltic sea to your game, the Pounting (Trisopterus luscus), the Black Seabream (Spondyliosoma cantharus) and the Three Spined Sticleback (Gasterosteus aculeatus).2.9k downloadsupdated 6 y ago
- Khaydar's Bazaar - Arabian seas (Remake)by KhaydarRemake of the original mod Arabian Seas, with new textures/model/updated animation. Contains: - Giant Guitarfish (Rhynchobatus djiddensis) - Pigeye Shark (Carcharhinus amboinensis) - Snubnose Pompano (Trachinotus blochii) - Tiger Snake Eel (Myrichthys maculosus) Some changes have also been done t...2.9k downloadsupdated 4 y ago
- short-tailed river stingrayby FlishsterAdds the Short-Tailed River Stingray to your game!2.9k downloadsupdated 6 y ago
- Khaydar's Bazaar - Elephant Sealby KhaydarAdds both male and female elephant seals at rank 12. Requires: - Diverse diets if you don't own the AC dlc - Special sounds library for seal sounds (optional) - Modded Beach tanks big enough, any large beach tank will do. Credits: Irritatingfish for the animations2.9k downloadsupdated 5 y ago
- North Sea Bottom Dwellersby Irritating FishThe North Sea, a frigid body of water that borders Europe is home to several commonly exhibited animals there! Here is what is in this pack: European Plaice (Pleuronectes platessa) Greater Weever (Trachinus draco) Spotted Ray (Raja montagui) Dead Man's Fingers (Alcyonium digitatum) Bloody Henry S...2.9k downloadsupdated 6 y ago
- Pelagica - Global Series - Gulf of Mexicoby 1electronThe first in Pelagica's Global Series. Take a journey to the North American tropics and enjoy these 5 animals! This mod includes the Atlantic Blue Tang, the Hawksbill Turtle, the Nassau Grouper, the Ocellated Moray, and the Spotfin Porcupinefish. As of August 2022, this mod has been completely re...2.9k downloadsupdated 4 y ago
- Thug angelfish packby grosseberthaI am happy to propose you 2 angelfish species, the masked angelfish (Genicanthus personatus) and the bandit angelfish (Apolemichthys arcuatus).2.9k downloadsupdated 6 y ago
- Angelfish Trio Pack 1by grosseberthaAdd 3 new Angelfish to your game, the Grey Angelfish (Pomacanthus arcuatus), the Lamarck's Angelfish(Genicanthus lamarck) and the Asfur Angelfish(Pomacanthus asfur).2.9k downloadsupdated 6 y ago
- Moray Eel Trio Pack 2by grosseberthaAdd 3 new Morays to your game, the Yellowmargin Moray (Gymnothorax flavimarginatus), the Whitespot Moray (Muraena pavonina) and the Banded Mud Moray (Gymnothorax chlamydatus).2.9k downloadsupdated 5 y ago
- Butterflyfish Trio Pack 2by grosseberthaAdd 3 new butterflyfish to your game, the Mailed Butterflyfish (Chaetodon reticulatus), the Threadfin Butterflyfish (Chaetodon auriga) and the Mitratus Butterflyfish (Chaetodon mitratus).2.9k downloadsupdated 6 y ago
- Abyssal Giga Tankby 76561198842575853Adds super large abyssal tank. Not really needed for vanilla, so is intended to be used with mods that add giant abyssal creatures. Any mod that does that can link this one as dependency.2.9k downloadsupdated 8 mo ago
- Paddletail Snapperby grosseberthaI am happy to propose you the paddletail snapper.2.9k downloadsupdated 6 y ago
- Paraguay Trio Packby grosseberthaAdd 3 species from Paraguay, the Paraguay Eartheater (Gymnogeophagus balzanii), the Paraguay Pleco L281 (Hypostomus latifrons) and the Veilfin Tetra (Hyphessobrycon elachys).2.9k downloadsupdated 5 y ago
- Soapfish Trio Pack 2by grosseberthaAdd 3 Soapfish to your game, the Arrowhead Soapfish (Belonoperca chabanaudi), the Greater Soapfish (Rypticus saponaceus) and the Barred Soapfish (Diploprion bifasciatum).2.9k downloadsupdated 6 y ago
- Khaydar's Bazaar - Fire Eelby KhaydarAdds the Fire Eel.(Mastacembelus erythrotaenia) Updated for deep freeze2.9k downloadsupdated 3 y ago
- Goldtail angelfishby grosseberthaAdds the Goldtail angelfish (pomacanthus chrysurus) to you'r game.2.9k downloadsupdated 6 y ago
- The World's Rivers - Fishing Catby Irritating FishThe most aquatic adapted cat, the fishing cat (Prionailurus viverrinus) is ready to come to your aquarium! Unlocked at rank 12, this cute critter will most likely sleep all day in it's favorite carboard box that it is provided with. A quick note, although this mod works with the vanilla beach tan...2.9k downloadsupdated 5 y ago
- The World's Rivers - Arctic Trioby Irritating FishThe Arctic may mostly consist of ice, but several anadromous fish can be found in the rivers and lakes there! Enjoy these three arctic dwellers in your aquariums. Atlantic Salmon (Salmo salar) Ninespine Stickleback (Pungitius pungitius) Fourhorned Sculpin (Myoxocephalus quadricornis)2.9k downloadsupdated 6 y ago
- Tahiti Butterflyfishby grosseberthaI am happy to propose you tahiti butterflyfish ( chaetodon trichrous).2.9k downloadsupdated 5 y ago
- From Papua New Guineaby grosseberthaAdd 5 freshwater species from the Papua New Guinea, Lake Kutubu Rainbowfish (Melanotaenia lacustris) Giant River Perchlet (Parambassis gulliveri) Papuan Black Bass (Lutjanus goldiei) Silver Tiger Perch (Datnioides polota) Dark Margined Flagtail (Kuhlia marginata) A very big Thanks to IrritatingFi...2.9k downloadsupdated 6 y ago
- Cobiaby grosseberthaI am happy to propose the cobia (rachycentron canadum).2.9k downloadsupdated 6 y ago
- Whitley's boxfish duoby grosseberthaGrosse bertha and Bubbly Emporium (Bubbl.E) are happy to supply you with the brand new Whitley's Boxfish! Aside from its rarity in the aquarium trade, this vibrant boxfish is notorious for being very difficult to keep happy in captivity. The different appearance of male and female individuals wil...2.9k downloadsupdated 6 y ago
- BLUE - California Kelp Forest Packby Irritating FishExplore the kep forests! Here is a group of commonly kept animals from this unique environment. California Sheephead (Female) (Semicossyphus pulcher) California Moray (Gymnothorax mordax) Halfmoon (Medialuna californiensis) Bat Ray (Myliobatis californica) Wolf Eel (Anarrhichthys ocellatus) Kelp...2.9k downloadsupdated 3 y ago
- Shark Mini Pack 2by FlishsterAdds two new sharks, the Zebra Bullhead Shark and the Sand Tiger Shark, to your game!2.9k downloadsupdated 8 mo ago
- Angelfish Trio Pack 2by grosseberthaAdd 3 new Angelfish to your game, the False personifer angelfish (Chaetodontplus meredithi), the Ballina Angelfish (Chaetodontoplus ballinae) and the Multibar Angelfish (Paracentropyge multifasciata).2.9k downloadsupdated 6 y ago
- Bullseye Species Packby grosseberthaAdd 3 commonly called Bullseye species to your game, the Bullseye Round Stingray (Urobatis concentricus), the Bullseye Pistol Shrimp (Alpheus soror) and the Orange Lined Bullseye (Pempheris ornata).2.9k downloadsupdated 6 y ago
- Triggerfish Trio Pack 2by grosseberthaAdd 3 new triggerfish to your game, the Yellow Margin triggerfish (Pseudobalistes flavimarginatus), the Picasso Triggerfish(Rhinecanthus aculeatus) and the Golden Heart Triggerfish (Balistes punctatus).2.8k downloadsupdated 5 y ago
- Pelagica - Bluegreen Chromisby 1electronCreate the sushi restaurant customer distraction reef tank of your dreams with this fish.2.8k downloadsupdated 7 y ago
- Pelagica - Colorful Chromodorisby 1electronThis pack adds 10 nudibranchs of the Chromodoris genus to your game. They are difficult to keep and some of them are small enough that one animal appears as two for balancing and not having size 1 animals. Credit to Irritating Fish for the model and animations. The species featured are: C. africa...2.8k downloadsupdated 6 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.