Mods / Animals

• BBLUE - Sanderlingby Irritating FishOne of the many sandpipers, the Sanderling (Calidris alba), will make for a very entertaining animal for your guests!2.4k downloadsupdated 5 y ago
• PPelagica - Glorious Goniobranchus Iby 1electronThis pack adds 8 nudibranchs of the Goniobranchus genus to your game. The ones added here are easier to keep than the ones added in the second pack. 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 I...2.4k downloadsupdated 6 y ago
• BBLUE - Central American Freshwater Fishes Part 1by Irritating FishCentral America has lots of interesting fish species that often find their ways into private aquaria. Find some in this pack! Atlantic Needlefish (Strongylura marina) Tropical Gar (Atractosteus tropicus) Porthole Livebearer (Poeciliopsis gracilis) Kreiser's Killifish (Profundulus kreiseri)2.4k downloadsupdated 5 y ago
• BButterflyfish Trio Pack 3by grosseberthaAdd 3 new butterflyfish to your game, the Latticed Butterflyfish (Chaetodon rafflesii), the Oblique Butterflyfish (Prognathodes obliquus) and the Panda Butterflyfish (Chaetodon adiergastos).2.4k downloadsupdated 5 y ago
• PPelagica - Bigfin Reef Squidby 1electronOne of the only species of squid to ever be kept in captivity. Looks great in kelp tanks. This mod is my submission for the 2nd Anniversary week 1 challenge. #TwoYearAnniversary2.4k downloadsupdated 6 y ago
• SSilvertip Sharkby thesrdicAdds the Silvertip Shark, a medium-sized requiem shark found throughout the Indian and Pacific Oceans. Unlocking at rank 10.2.4k downloadsupdated 6 y ago
• CCatfish Mini Packby FlishsterAdds two new catfish to your game!2.3k downloadsupdated 8 mo ago
• PPelagica - Glorious Goniobranchus IIby 1electronThis pack adds 8 nudibranchs of the Goniobranchus genus to your game. These are harder to keep than those in the first pack. 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 m...2.3k downloadsupdated 6 y ago
• CCoral Sea Packby 76561198880010479Adds three species found in the Coral Sea to your game, the Epaulette Surgeonfish, Porcupine Ray and the Queensland Grouper. The Epaulette Surgeonfish (Acanthurus nigricauda) is a large but peaceful grazer of algae found in the Indo-Pacific. A large and personable fish, the Queensland Grouper (Ep...2.3k downloadsupdated 6 y ago
• BBeluga Sturgeonby MjmannellaThe beluga is the largest freshwater fish in the world, rivalling the might great white shark in size! Can your aquarium house this elusive titan of a fish? Credit to IrritatingFish for providing a model!2.3k downloadsupdated 3 y ago
• AAfrican Sealife Packby 76561198880010479Six creatures from the coasts of Africa for your aquariums! Includes the Blacktip Kingfish, Cape Horse Mackerel, Evileye Puffer, Natal Wrasse, South Coast Rock Lobster and Spotted Gully Shark.2.3k downloadsupdated 3 y ago
• TTrevally Packby 76561198880010479Adds two species of trevally to your game, the White Trevally (Pseudocaranx dentex) and the Bluefin Trevally (Caranx melampygus).2.3k downloadsupdated 3 y ago
• PPelagica - Rosy Barbby 1electron2.3k downloadsupdated 6 y ago
• TThe Cory Collectionby 76561198393615013A collection of various Corydoras species! This pack includes: - Bronze Cory (Corydoras Aeneus) - Julii Cory (Corydoras Julii) - Black Venezuela Cory (Corydoras Schultzei) - Albino Cory (Albino Corydoras Aeneus) - Dwarf Pepper Cory (Corydoras Hasbrosus) - Pygmy Cory (Corydoras Pygmaeus) - Emerald...2.3k downloadsupdated 5 y ago
• RRed Swamp Crayfishby RappyAdds the red swamp crayfish, also known as the Louisiana crayfish, to your aquarium. Hardy and fecund, these omnivorous crayfish will easily adapt to your warm freshwater tanks. Be warned, however: with a tendency to harass fish and tear apart vegetation, your tanks might not handle them as well...2.3k downloadsupdated 5 y ago
• BBlue - Reef Rainbowby Irritating FishAdd all of the colors of the rainbow to your aquarium with this lively bunch of fish! Redcoat (Sargocentron rubrum) Dispar Anthias (Pseudanthias dispar) Golden Hamlet (Hypoplectrus gummigutta) Belted Wrasse (Stethojulis balteata) Blue Hamlet (Hypoplectrus gemma) Purple Reeffish (Chromis scotti) W...2.3k downloadsupdated 6 y ago
• HHorse Eye Jack New Textureby grosseberthaAdd a new texture for the vanilla Horse Eye Jack. NOTE: This mod doesn't add a new fish in the game, it just replace the texture for the Horse Eye Jack.2.3k downloadsupdated 6 y ago
• CClownfish Breeding Addonby FlishsterREQUIRES CLOWNFISH SPECIES PACK TO WORK! Adds breeding to the clownfish species in the clownfish species pack, as well as the ocellaris clownfish in base-game, as well as mutations for the ocellaris clownfish and maroon clownfish.2.3k downloadsupdated 6 y ago
• RReaper Cuttlefishby 76561198880010479Adds the adorable Reaper Cuttlefish to your game!2.3k downloadsupdated 6 y ago
• AAustralian Sealife Pack - Porcupinefish and Puffersby 76561198880010479Adds three species of porcupinefish and puffers to your game! Adds the Stars And Stripes Puffer (Arothron hispidus), Australian Burrfish (Allomycterus pilatus) and Black-Blotched Porcupinefish (Diodon liturosus). This mod is my submission to the Armoured Creatures challenge.2.3k downloadsupdated 5 y ago
• PPelagica - Jawfish Packby 1electronAdds 4 species of jawfish to your game. Included are the Yellowhead, Dusky, Gold-Specs, and Bluespotted Jawfish.2.3k downloadsupdated 6 y ago
• PPelagica - Pepper Corydorasby 1electronA freshwater fish. Obviously requires FF DLC.2.3k downloadsupdated 6 y ago
• KKhaydar's Bazaar - Cetacean minipack 7by KhaydarAdds 3 cetaceans -Dall's porpoise - Narwhal - Yangtze river porpoise DeepFreeze update Added shoaling Enrichment need2.3k downloadsupdated 3 y ago
• BBLUE - Basking Sharkby Irritating FishWelcome the Basking Shark (Cetorhinus maximus). He has a large mouth. He is large. Enjoy.2.3k downloadsupdated 5 y ago
• AAtlantic Horseshoe Crabby nightmare6445Add the Atlantic Horseshoe Crab to your game.2.3k downloadsupdated 7 y ago
• SSquirrelfish and Soldierfish Trio Pack 2by grosseberthaAdd 3 new squirrelfish and soldierfish to your game, the Yellowfin Soldierfish (Myripristis chryseres), the Longjaw Squirrelfish (Neoniphon marianus) and the Spinyface Soldierfish (Pristilepis oligolepis).2.3k downloadsupdated 5 y ago
• PPhanerium - Prionosuchusby SynchroLightThis mod adds the colossal marine amphibian Prionosuchus plummeri to your Phanerium! To play with this mod you should have Freshwater Frenzy purchased and installed with your game. We would like to thank user Joseba who commissioned this mod allowing us to restore this magnificent animal!2.3k downloadsupdated 5 y ago
• KKhaydar's Bazaar - Pelagic Thresherby KhaydarAdds the Pelagic thresher (Alopias pelagicus) to your game. Breedable and comes with the rare irridescent morph. Update: Fixed an issue preventing hybrids to appear. Now the shark has a pup stage2.3k downloadsupdated 3 y ago
• PPhanerium - Bungartiusby SynchroLightAdds the Tuna-sized Placoderm, Bungartius, to your game. This animal is unlocked through Science research at Level 5. This mod was commissioned by Medusa53! We would like to thank Tyler Greenfield for his advice on what to do for the postcrania of this strange animal.2.2k downloadsupdated 6 y ago
• BBLUE - Semipalmated Ploverby Irritating FishA cute and tiny plover, the Semipalmated Plover(Charadrius semipalmatus) makes it's way into your aquariums!2.2k downloadsupdated 5 y ago
• KKhaydar's Bazaar - Common Thresherby KhaydarRemake of the Common thresher (Alopias Vulpinus); - New improved model and textures - Shiny new animations - Statistic balancing - Fixed typo And yes it uses the tail to feed... Enjoy2.2k downloadsupdated 3 y ago
• PPelagica - African Freshwater Pipefishby 1electronA freshwater fish. Obviously requires FF DLC. Will be breedable but that is not currently implemented.2.2k downloadsupdated 5 y ago
• CCommerson's Dolphinby FlishsterAdds the Commerson's Dolphin to your game!2.2k downloadsupdated 6 y ago
• PPhanerium - Jaekelopterus rhenaniaeby SynchroLightThis mod will add the giant Eurypterid, Jaekelopterus rhenaniae, to your game. Requires Megaquarium and the Freshwater Frenzy DLC Pack to play.2.2k downloadsupdated 6 y ago
• ZZebra Seahorseby ManoZika7Adds the australian zebra seahorse to the game. Also includes the "fake gorgonian" plant, in case you want to keep them along other seahorses2.2k downloadsupdated 6 y ago
• KKhaydar's Bazaar - Longfin makoby KhaydarRemake of the Longfin mako. Unlocked at rank 122.2k downloadsupdated 3 y ago
• IInvertimaniaby 76561198880010479Imagine having a spine? Having bones? Disgusting. Get outta here with your filthy hollow dorsal nerve cord. Reject vertebraticity and return to the blessed, amorphous, boneless form. This pack includes: Beautiful Feather Star Bennett's Bushy Feather Star Blue Linckia Star Brown Comb Jelly Crocea...2.2k downloadsupdated 8 mo ago
• SSouth American Cichlid Packby FlishsterAdds three new South American cichlids to your game!2.2k downloadsupdated 8 mo ago
• MMalawi Cichlid Packby FlishsterAdds a whole host of Malawi species to your game.2.2k downloadsupdated 8 mo ago
• PPelagica - Rajella Skate Collectionby 1electronAdds a few deep-dwelling skates of the genus Rajella. This mod includes the Bigthorn Skate, Deep-Water Skate, Bigelow's Skate, Munchkin Skate, Ghost Skate, Purplebelly Skate, Round Skate, Mid-Atlantic Skate, Leopard Skate, Sailray, Blackish Skate, and Sparsely-Thorned Skate.2.2k downloadsupdated 6 y ago
• GGulf Stream Aquaria - North Sea Gobiesby RappyAdds the black goby (Gobius niger) and two-spotted goby (Pomatoschistus flavescens) to your game. The two-spotted goby unlocks at Rank 5, while the black goby unlocks at Rank 7. Part of the North and Baltic Seas modding challenge. Credit to grossebertha for the base models utilized in this mod.2.2k downloadsupdated 3 y ago
• RRockfish Trio Pack 2by grosseberthaAdd 3 Rockfish to your game, the Tiger Rockfish (Sebastes nigrocinctus), the Yellowtail Rockfish (Sebastes flavidus) and the Gopher Rockfish (Sebastes carnatus).2.2k downloadsupdated 5 y ago
• BBLUE - Grey Heronby Irritating FishA common sight in Europe and Asia, the Grey Heron (Ardea cinerea) wades it's way into your aquariums at rank 8!2.2k downloadsupdated 5 y ago
• BBLUE - Harlequin Duckby Irritating FishOne of the most vivid and unique species of duck, the Harlequin Duck (Histrionicus histrionicus), waddles into your aquariums at rank 9!2.2k downloadsupdated 3 y ago
• CCherax Pulcherby Sara The AlienAdds the colorful and rare Cherax Pulcher to your game, rarely known as Thunderbolt Crayfish. Credits to Flishster for the original signal crayfish model, and Uzag for the original european crayfish mod itself and all the help he's given to me! This community is so nice!2.2k downloadsupdated 6 y ago
• LLeatherback Sea Turtleby nightmare6445Add the Leatherback Sea Turtle to your game. Can't take credit for the models I got them from zoo tycoon 2 and edited and animated them for Megaquarium.2.2k downloadsupdated 4 y ago
• BBLUE - Around Africaby Irritating FishEnjoy some new fish from around the coasts of Africa in this unique pack! African Wedgefish (Rhynchobatus luebberti) Blackstripe Cardinalfish (Ostorhinchus nigrofasciatus) Cape Elephantfish (Callorhinchus capensis) Peacock Blenny (Salaria pavo) Zebra Tilefish (Branchiostegus semifaciatus)2.2k downloadsupdated 5 y ago
• PPhanerium - Aquaticby SynchroLightPhanerium Pack 1 adds seven new aquatic animals from the geological past to your aquarium, as well as new gift shop items to sell to your visitors. Acrophyseter deinodon A macroraptorial sperm whale from the Miocene of Peru, its shortened snout and large robust teeth were perfectly adapted for pr...2.2k downloadsupdated 4 y ago

888 animals 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.