There are different ways the hardness, pH levels, etc. With that being said, they can show a little bit of aggression when put in the wrong situation (or with the wrong tank mates). We’ve been fans of them for years and love the versatility their hardy nature provides. We will teach you how to take care of a cold water fish with some basic tips, as well as we will tell you which are the best cold water fish for an aquarium. Simply keep them with peaceful fish that are too big to be picked on! At Harvey’s we stock a huge selection of Aquarium Cold Water fish, Orandas and Fantails as well as the more unusual and all the accessories you will ever need read more. What Are Coldwater Fish? So here we have 12 species of fish that can thrive in waters of 20dGH (degree of General Hardness) and above. As an Amazon Associate I earn from qualifying purchases This fish becomes more active when the barometer drops before a storm, hence the name. In our opinion, this is one of the most enjoyable fish to watch. The Axolotl is an interesting creature that has rapidly grown in popularity over the last few years. They got their name from the fact that they always mate on one side. Physical Characteristics: Silvery body, one black spot near the head and one near the tail; dorsal fin reddish with black spots (male); no barbels. Here I’ve mentioned 19 fish and invertebrate species that will do well in a cold water aquarium. Adapted to the high shore, this eel-like species can tolerate very extreme conditions. Fancy goldfish (Carassius auratus)7. A lot of the time they don’t even need heaters! Disclosure: Aquarium Tidings receives compensation from the companies whose links we post. These little critters are one of our favorite freshwater catfish species to keep in cold tanks. Theses fish are quite hardy and can handle a wide range of water and habitat requirements. Like the bloodfins, they are undemanding and easy to care for. As far as aquarium fishes are concerned, coldwater species prefer water that is typically around or below 68° Fahrenheit. These fish are great for cold water aquariums since their natural temperature requirements are quite low (this can be as low as 50°F). If there are any types of cold water fish you think we should include in this list just let us know! Though the plant is slow-growing, it’s also hardy and can be kept in cold water as well as tropical fish tanks, hence is ideal for first-time live aquatic plant keepers. They’re low-maintenance, beautiful, and get along with a large number of other fish. They’re addicting to watch swim around in the tank. They really don’t care! At a deceiving eight inches in the first year, this cute little fish (not a shark) quickly grows to four and a half feet long. Tropical. However, some of us may be getting hard water and don’t want to make it softer every time we change the aquarium’s water. This is one of the most popular fish in the aquarium scene. Make sure the male to female ratio is balanced. A new gold-colored variant has become very popular, although very low temperatures will dampen their attractive coloration. Fancy goldfish will get along with many other species and don’t require a lot of effort to keep healthy. Endler’s Livebearer. As you can see, they can thrive in a wide range of water temperatures. Almost extinct in its native China due to pollution, this is one of the easiest fish to care for. Most of the aquarists we know keep a ton of these fish in their tank. The Rainbow Goodeid is hardy, low-maintenance, easy to feed, and tolerant of a wide range of temperatures and parameters. They are easy to care for and are suitable for a community aquarium. This is not only very generous, but rather chilly as well. If you need help choosing the correct tropical or cold water fish, come to The Trop Shop. They’ll handle almost all living conditions with ease. Mosquito fish are extremely easy to care for and are quite hardy. The Clown Killifish is a gorgeous species that has gotten a lot of attention in recent years. These are one of the most beginner-friendly fish out there. Aquarium Industries is an aquarium fish wholesaler providing cold water species to Australian pet stores/aquariums. The Roxy Barb is a species that has a dedicated following of aquarists for a number of additional reasons (aside from their coloration). Because of this, it’s important for this species to have an adequate current. Odessa barbs are often overlooked by freshwater aquarists. This is one of the most aesthetically-pleasing species on the list. In it, you’ll find information about all the best fish for cold water tanks. This is quite a popular fish because of its unique look and ease of care. Native to some parts of Asia, Paradise fish are considered one of the best cold-water aquarium fish. It will save you a few bucks and allow you to experiment with keeping a more natural tank. For whatever reason, these fish don’t get the attention they deserve. You can keep them in a variety of different habitats without any issues as well. If kept wet, it can even survive for quite a while out of water (even so, use a tight-fitting lid, because they can be sneaky!). This gives you a lot of flexibility when it comes to the kind of habitat you want to keep them in. The funny thing is not many people know about this fish (even the ones that want to keep fish without a heater). A dedicated river tank is not necessary, but some flow from a powerhead should be provided. Being a labyrinth fish, these aquatic creatures need the labyrinth organ to let in air. In addition to goldfish and some types of koi, most cold-water aquarium fish from a wide range of families thrive in cold water ponds, from small, colorful species, such as this Red Shiner, to prehistoric-looking sturgeon. They’re a species that not many people pay attention to, but that’s something we’ve never understood. Due to their critically endangered status can be a bit pricey and not in stock at most fish stores. Caring for these fish is something that anyone can do. While there are some elements of their care you’ll need to familiarize yourself with, they’re not very difficult to keep. I love it mostly for its cool-looking colors which, you could think, are too stunning to be real. They share a lot of the same colors and have a thin but chunky looking caudal peduncle. Not only is this what they’re used to in the wild, but the green vegetation really makes their colors pop! Cold-water fish are prone to fungal infections and internal parasites. They will show some situational aggressiveness from time to time, but that’s not very common behavior. You will have to navigate some aggression from time to time, but if you set then up with a great habitat from the start that won’t be a problem you have to deal with. Aquarium Cold Water. When fish outgrow your aquarium, never release aquarium fish into the wild. Most cold water fish, like the goldfish and koi, are comfortable around 58°F to 65°F (14°C-18°C). When it comes to setting up their habitat there’s not much to worry about as well. This fish has scales ringed with black along with black-spotted fins, bold red stripes, and a stunning overall appearance. Part of what makes the Asian Stone Catfish so adorable is their tiny size. This is why so many people like them for ponds. These fish get their name from their aggressive consumption of insect larvae. However, there hasn’t been a chance in classification yet. The darkness of its spots and the brightness of the red lateral color match the quality of its varied diet; feed live food, flake food, and some algae. If you are looking for healthy and well-fed fish and plants, we at All Pond Solutions have a superb selection on offer! This fish can brighten up even the dimmest tank with its vibrant yellow. Hillstream loach (Balitoridae)4. This really makes their beauty worth it! We highly recommend taking some time to do a little extra research into this species before you decide to buy. This species is also a good choice if you favor low-maintenance fish. They’re not only quite colorful and pleasing to look at, but they’re easy to care for as well. Their interesting pattern and colors make them a great choice for anyone looking to bring some color to their tank. Couple that with the fact that they will tolerate temperatures in the 50's, they are excellent candidates for a cold water tank. Any aquarium containing gold barbs should maintain a moderate current. You can keep them in small and cold aquariums, and you don’t have to worry about their diet or interactions with other fish. But what’s clear is that these are great cold water aquarium fish. Physical Characteristics: Both black and yellow, spotted along the head and back; long stripes along the sides; flattened top to bottom; wide and round pectoral and pelvic fins, ventral sucker. As long as you know their fundamental requirements you shouldn’t have any trouble keeping this fish. As long as you give them some variety in their diet and provide a solid habitat, Odessa Barbs will be quite happy. Peaceful omnivores, they are easy to care for and are quite hardy. This is one of the most popular species in the freshwater aquarium community as a whole, and they make great cold water fish. It’s worth noting that you’ll need a slight larger tank in order to keep them (a good portion of the fish we’ve covered so far are fine with small aquariums). Some of the basic requirements for Discus Fish are these: stable and clean water, a temperature of 84 degrees Fahrenheit in the water, pH level of 6.5 and water hardness of 4. Simply drop in some plants and you’ll be just fine! As long as you take the time to understand their main care requirements and how to set up their habitat, you should be just fine. As such, bloodfins are offered in many pet shops. The light should stay on for 8-10 hours a day, without direct contact with the sun. You’ll sometimes see this fish referred to as Poecilia wingei since it’s technically part of the common guppy family. Best Cold water & Temperate Freshwater Aquarium FishIn this video see my list of the best coldwater and temperate fish for an aquarium. They look like beautiful little shiny darts flicking around the water. If you’re a fan of the color red, you’ll love this fish. It can be hard to spot them at times! We offer a huge range of fish, including rare and exclusive species of Cichlids, Discus, Tetras, Barbs, Bettas, Catfish, Goldfish, Freshwater Shrimps and … Many don’t even need heaters! Fancy goldfish are a popular type of goldfish that tend to have more of an elaborate aesthetic than some of the standard variations. The Empire Gudgeon has some of the most interesting fins out there. The Sunset Platy is a great all-around fish that can do well in a number of different conditions. Like the zebra danio, the pearl danio (Danio albolineatus) is very hardy and easy to care for. The most common cold-water fish species is the goldfish, followed closely by its larger counterpart, the koi. Any questions, please feel free to ask. They can do well in cooler waters and will happily coexist with a variety of different tank mates. … They’re very pretty fish that have a neat color pattern. We’re committed to making our guides as helpful as possible, and welcome the help. This is my cold water aquarium with a wide selection of fancy goldfish. Buenos Aires tetra (Hemigrammus caudovittatus) are easily found for sale and will tolerate temperatures into the mid-60's. We also provide a range of fresh and frozen food products for reptiles, turtles and fish. Here is a list of algae eaters that are suitable for your cold water aquarium. This is a species that’s mesmerizing to look at. This is a type of platy that you don’t hear many people talking about. The Rainbow Shiners are hardy cold-water fish who can tolerate aquarium temperatures as low as 50 °F which is about 10 °C. They can survive in water temperatures as low as 50°F which means you can keep them in tanks without a heater (if it works with the rest of your setup). Paradise Fish have mesmerized aquarists for years with their bright colors and flowing tails (us included). Keeping these fish in your tank doesn’t need a heater and can thrive very well in low water temperature. They suit a community fish tank because they are very peaceful among each other and with others, especially if kept in a sizable group of 6+. Tropical and Cold Water Fish. As you can see, there are a number of fish that can thrive in cold water aquariums. This behavior is quite interesting to watch, so if you’re a breeder you might be in for a treat! Length: Male 0.5 inch to 1.5 inches, Female 1 to 2.5 inchesPhysical Characteristics: Elongated bodies, many color variations, named for their tail color; females larger with a grayish overall color and a green, blue, or olive tint; elongated body, appearing flattened from the back, Spiketooth / Wikimedia Commons / CC BY-SA-3.0. As long as that’s not a problem, give them a shot! The White Cloud Mountain Minnow is a great freshwater fish that can thrive in colder temperatures. They’re hardy, peaceful, and very easy to care for. The Pygmy Sunfish is a very pretty species that’s one of the best fish for cold water aquariums. Panda Corydoras are often used in community tanks because of this trait. Shop Online Now. Click here to find out more about Aquarium … By using The Spruce Pets, you accept our, Cold Water Fish Species for Your Freshwater Aquarium, Rosy Barb (Red Barb) Fish Species Profile, Zebra Danio (Zebrafish) Fish Species Profile, Choosing a Danio Species for Your Aquarium. Even so, you can own some of them, if you do everything by the book. These fish have an extremely interesting look that makes them stand out (or blend in) compared to many other species. Your aquarium is as unique as you are. The gold bard, or Chinese barb, is an extremely popular cold-water fish. When you combine this with their ability to handle cooler water they get even more appealing. You can put them in almost any tank, with almost any other species. At a maximum, they can tolerate a temperature of 75°F(24°C). However, they all give similar results of getting rid of the algae without hurting the native members of the tank. Their simply color combination makes them very fun to observe especially since you’ll be keeping them in a group. Another common name for them is the Mexican Walking Fish because of the way they move around the water. Physical Characteristics: Bright, shiny golden yellow body, Nilesh Heda / Wikimedia Commons / Public Domain. While we’re including them on our list of the best cold water aquarium fish, they’re technically salamanders. Get it free when you sign up for the Spruce Pets. Japanese sweet plant will tolerate light ranging from full-high to partial shade, a ph of 6.5 to 7.5 and an aquarium temperature anywhere from 50°F to 82°F. Get the best deals on Cold Water Live Aquarium Fish when you shop the largest online selection at eBay.com. Thrive very well in cooler water they get even more appealing a popular because. 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