Mods / Fish

• AAntarctic Sealife Packby 76561198880010479Adds 27 species from the frigid Southern Ocean to your game! This pack includes: Longfin Icedevil (Aethotaxis mitopteryx) Hodgson's Yellow Sea Star (Acodontaster hodgsoni) Antarctic Giant Isopod (Glyptonotus antarcticus) Antarctic Limpet (Nacella concinna) Macherel Icefish (Champsocephalus gunnar...1.7k downloadsupdated 8 mo ago
• GGulf Stream Aquaria - Mouth Almightyby RappyAdds the mouth almighty (Glossamia aprion), a freshwater cardinalfish native to northern coastal Australia and New Guinea, to your aquarium. This fish unlocks at Rank 6. Credit to IrritatingFish for the base model.1.7k downloadsupdated 3 y ago
• PPelagica - Onespot Demoiselleby 1electronAdds the Onespot Demoiselle (Chrysiptera unimaculata) to your game.1.7k downloadsupdated 6 y ago
• GGulf 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
• BBlack 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
• CCA - 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
• PPelagica - 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
• PPelagica - 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
• AAtlantic 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
• SSquid 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
• HH.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
• GGulf 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
• KKhaydar'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
• GGulf 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
• CCA - Clownfish Duoby ManoZika7Cinnabar Aquarism's newest mod introduces two new clownfish: the mauritian clownfish and the whitesnout anemonefish!1.6k downloadsupdated 6 y ago
• FFancy 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
• BBLUE - Saddleback Butterflyfishby Irritating FishAdd the saddleback butterflyfish (Chaetodon ephippium) to your aquariums.1.6k downloadsupdated 5 y ago
• CChristmas 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
• CCA - 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
• BBLUE - Blackfin Barracudaby Irritating FishWelcome the sleek shoalher, the blackfin barracuda (Sphyraena qenie), to your aquariums!1.6k downloadsupdated 5 y ago
• NNerdy 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
• GGulf 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
• PPelagica - Sunburst Butterflyfishby 1electronAdds the Sunburst Butterflyfish (Chaetodon kleinii) to your game.1.6k downloadsupdated 5 y ago
• PPelagica - Return to the Poles - Cod of the Northby 1electronThis mod adds a few cod species native to the Arctic and nearby waters. It is functionally part of a remaster of the old 'Polar Plunge' mod series. This mod includes the Polar Cod, Arctic Cod, East Siberian Cod, Saffron Cod, Navaga, and Greenland Cod.1.6k downloadsupdated 5 y ago
• SSouth-west Australian Sea Life Packby 76561198880010479Creatures from South-west Australia for your aquariums! This mod contains: Australian Pineapplefish Blowhole Perch Blue Button Blue-lined Hulafish Harrowed Sole Many-spotted Seastar Mosaic Leatherjacket Rainbow Cale Red-throated Ascidian Rhino Pipefish Rough Bullseye Warty Prowfish West Australia...1.6k downloadsupdated 8 mo ago
• NNijin-Konai Interplanetary Export - Ribbondartsby blackfrogNijin-Konai Exotic Exports proudly brings to you the wonder of planet Nijin-Konai in this collection of ribbondarts from the Irobian Ocean. these small, popular aquarium critters will add a bit of that alien flavor your public aquarium needs, let their colors and quirky nature capture your guests!1.5k downloadsupdated 6 y ago
• BBottom Your Leaf Scorpionfishby 76561199056670115This mod will modify the Leaf scorpionfish -Leaf scorpion now become a bottom dweller that only occasionally move to not break it illusion of blending in with the scenery.1.5k downloadsupdated 5 y ago
• GGulf Stream Aquaria - Indo-Pacific Snapper Quartetby RappyLutjanidae, the snapper family, is made up of seventeen genera and around 110 species. This varied assemblage of tropical and subtropical fish ranges from small planktonivores to large grouper-like predators. This pack contains the following four species from the Indo-Pacific within the family: -...1.5k downloadsupdated 3 y ago
• PPelagica - Moray Trioby 1electronAdds three species of moray eel to your game. This mod includes the Slender Giant Moray, Snyder's Moray, and Yellow Moray. This mod requires FF as one of the fish included lives in both freshwater and saltwater.1.5k downloadsupdated 5 y ago
• BBalvaro store Freshwater pack 1(Stiphodon)by balvaro21The Stiphodon genus is group freshwater gobies.They had been recently introduced in the hobby.That explain why many species are not properly identified.Some features which made them popular is they small size,peacefull behavior and preference for almost any kind of algae.Actually they don`t eat a...1.5k downloadsupdated 6 y ago
• SShark Packby 76561198880010479Adds four more shark species to your game! this mod includes: Scalloped Hammerhead Shark Spotted Wobbegong Tawny Nurse Shark Whitetip Reef Shark1.5k downloadsupdated 3 y ago
• PPelagica - Tidepool Sculpinby 1electronA coldwater fish that is a personal favorite of mine (seriously, I love these little guys). This mod adds one species that can be bred for multiple patterns. Since this fish is breedable, the mod requires FF.1.5k downloadsupdated 5 y ago
• PPelagica - Razorfishby 1electronAdds the Razorfish (Aeoliscus strigatus) to your game.1.5k downloadsupdated 4 y ago
• PPelagica - Gregory Collectionby 1electronThis pack adds several damselfish to your game, specifically those also known as gregories for whatever reason. While small, these fish can be aggressive. This mod includes the Beau Gregory, Australian Gregory, Cape Verde Gregory, Pacific Gregory, Acapulco Gregory, Blunt-Snout Gregory, Clarion Gr...1.5k downloadsupdated 5 y ago
• PPelagica - Frogfish Trioby 1electronAdds three species of frogfish to your game: the Warty Frogfish, the Painted Frogfish, and the Commerson's Frogfish. Credit to IrritatingFish for the base model and animations used for them.1.5k downloadsupdated 5 y ago
• BB.A.D. Laboratories Rex de Marisby nightmare6445Here at Bioengineering and De-extinction Laboratories or B.A.D. for short, we use state of the art equipment and the latest scientific technology create new and exciting species and resurrecting extinct creatures all in the name of research. For the first time we are allowing public aquariums and...1.5k downloadsupdated 3 y ago
• UUnbottom Your ACby 76561199056670115This mod will modify the Red sea steephead parrotfish and Picasso triggerfish in the Architect Collection DLC -Red sea steephead parrotfish will now swim up to around midwater so when it is put in a sunken tank with barrier around it would be visible while still being able to graze the bottom eve...1.5k downloadsupdated 5 y ago
• CCoastal Waters Mini Packby FlishsterAdds the Silver Mono and Sailfin Molly to your game, two brackish water fish that are both at home in fresh and saltwater. :) The Sailfin molly also includes hybridization.1.5k downloadsupdated 5 y ago
• PPelagica - Return to the Poles - Trematomusby 1electronNotothens are a strange group of fish native to the Southern Ocean, and this mod specifically focuses on the genus Trematomus. This is functionally part of a remaster of the old 'Polar Plunge' mods. The fish included in this pack are the Emerald Rockcod, Dusky Rockcod, Blunt Scalyhead, Striped Ro...1.5k downloadsupdated 5 y ago
• PPhanerium - Concavotectumby SynchroLightConcavotectum is amongst the largest mid-sized fish from the Kem Kem Group. Flush with fairly bright colouration this 2 meter suspension feeder makes an excellent showcase animal for smaller Phaneriums that cannot afford to house the true giants of Kem Kem. This animal requires the Freshwater Fre...1.5k downloadsupdated 5 y ago
• KKhaydar's Bazaar - Anglers of the Deepby KhaydarComplete overhaul of my old anglerfish modpack (Midnight dive 2), now using the features of Deep Freeze. Every fish got shiny new models and animations to add some horror to your deep..... (Any similarity to another mod name is purely coincidental, I assure you) Adds 6 species, so far: - Atlantic...1.5k downloadsupdated 3 y ago
• PPelagic Shark Packby 76561199056670115Pelagic Shark Pack including -Carcharhinus perezi, also known as Caribbean reef shark -Carcharhinus falciformis, also known as Blackspot shark, Grey whaler shark, Olive shark, Ridgeback shark, Sickle shark, Sickle-shaped shark, Sickle silk shark and Silky shark -Carcharhinus albimarginatus, also...1.5k downloadsupdated 3 y ago
• SSurface Dwellers Modby FlishsterThis mod does one simple thing: It makes the Giant Hatchetfish and Sea Needle swim at the surface as they do in life. :)1.5k downloadsupdated 5 y ago
• LLouisiana's Waters 3-Freshwaterby RappyThe third volume of the Louisiana's Waters series moves into freshwater, presenting a range of creatures from the state's rivers, streams, ponds, lakes, and swamps. This mod adds the following eight animals (sixteen species planned for final version): - Alligator gar (Atractosteus spatula); unloc...1.5k downloadsupdated 2 y ago
• NNijin-Konai Exotic Exports - Limnsby blackfrogNijin-Konai Exotic Exports is happy to announce the latest batch of animals to join your otherwise Earthly aquariums: the Kikas! These pollinating animals will surely bring happiness to your guests with their colorful appearance and small, pointy snouts. They can be quite picky though, remember t...1.5k downloadsupdated 6 y ago
• NNijin-Konai Exotic Exports - Hijerakomimidsby blackfrogNijin-Konai Exotic Exports brings you the only two genera under the Hijerakomimidae family alive to this day! the two large creatures in this package will amaze your guests with their sheer size, while showing off the beauty of these gentle giants of the southern seas.1.5k downloadsupdated 6 y ago
• PPelagica - Return to the Poles - Nototheniaby 1electronNotothens are a strange group of fish native to the Southern Ocean, and this mod specifically focuses on the genus Notothenia. This is functionally part of a remaster of the old 'Polar Plunge' mods. The fish included in this pack are the Black Rockcod, Yellowbelly Rockcod, and Marbled Rockcod.1.4k downloadsupdated 5 y ago
• MModified Fishby BosjesmanThis mod will add over 20 vanilla fish with different traits. Certain traits of certain fish are removed. Examples are: These fish will not eat other fish or corals, these fish will not need any plants, caves or rocks. These fish will not bully other fish etc etc. In other words, these are vanill...1.4k downloadsupdated 7 y ago

715 fish 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.