Fish are a great addition to any aquarium if picked properly. They add color and activity. But there are so many options. There are different types of pet fish kinds. You have the choice of cold water or warm water fish, you have the choice of community fish or fish that need their own tank, and you have the choice of simple fish or those that boast interesting behaviors and complex life histories. What should you choose? In this article, we’ll break it down for you.
Important: Please keep in mind, Numerical values mentioned in this article e.g. Price, Life Span. May differ depending upon your environment and Location. But hope so these figures will give you enough knowledge to make your decision.
- 1 1- Mickey Mouse Platy
- 2 2- Zebra danio (Zebrafish)
- 3 3- Pygmy Corydoras
- 4 4- Sparkling Gourami
- 5 5- Neon Tetra
- 6 6- White Cloud Mountain Minnow
- 7 7- Harlequin Rasbora
- 8 8- Serpae Tetra
- 9 9- Panda Corydora
- 10 10- Glowlight Tetra
- 11 11- Pea Puffer
- 12 12- Tiger Barb
- 13 13- German Blue Ram
- 14 14- Buenos Aires Tetra
- 15 15- Dwarf Gourami
- 16 16- Betta Fish (My Favorite)
- 17 17- Congo Tetra
- 18 18- Beacon Fish
- 19 19- Black Phantom Tetra
- 20 20- Black Ruby Barb
- 21 21- Least Killifish
- 22 22- Bumblebee Goby
- 23 23- Scarlet Badis
- 24 24- Cardinal Tetra
- 25 25- Fancy Guppies
- 26 26- Asian Stone Catfish
- 27 27- Chili Rasbora
- 28 28- Rummy Nose Tetra
- 29 29- Peacock Gudgeon
- 30 30- Endler’s Livebearer
- 31 31- Zebra Danio
- 32 32- Celestial Pearl Danio
- 33 33- Bluefin Notho
- 34 Which One is the Most Beautiful Small Aquarium Fish?
- 35 Why Small Fish Die in Aquarium?
- 36 Final Words
- 37 Comparison Table:
1- Mickey Mouse Platy
If you’re looking for a unique pet fish that will add vibrant color and personality to your fish tank, the Mickey Mouse Platy might be the right choice for you.
This fish is a cross between the southern platyfish and the Mickey Mouse swordtail, and it’s a little larger than most of its relatives in the Xiphophorus genus. It has a life span of 3-5 years, and it reaches an adult size of 2-3 inches.
Typically, you’ll pay $2-$4 per fish (although prices may be higher or lower depending on where you live).
2- Zebra danio (Zebrafish)
The zebra danio (Danio rerio) is a small easy care fish that can be an ideal pet for the beginner aquarist. They have a kind of serene beauty, with their bright blue stripes and shimmering scales. They are also very easy to care for and don’t require a ton of space, making them an ideal choice for a fish tank.
These fish grow up to 3cm in length and cost between $3-$8 per fish, which makes them ideal for smaller aquariums. This species is known to be very peaceful, which will make it a good companion for your other tank mates. These fish are native to South Asia and can live up to 5 years in captivity.
3- Pygmy Corydoras
Pygmy Corydoras are a great small pet fish. There’s no doubt that they’re one of the most popular catfish in the fish tank world, and for good reason. They’re easy to care for, fun to watch, inexpensive, and overall just great little fish!
If you’re thinking about getting some Pygmy Corydoras, it’s important to know that they are schooling fish. You should have at least three of them in your fish tank(though six is better). They live for about 5 years and can grow up to 2 or 3 inches long.
These easy care fish are really inexpensive too, so you won’t be breaking the bank when you buy them. You can get 3-4 of them for $5-$10 and they’ll make great companions for other fish species in your tank!
4- Sparkling Gourami
The Sparkling Gourami is one of the tiniest, most colorful fish in the world, and it’s perfect for a fish tank.
A sparkling Gourami can be as small as 1.6 inches long, but they are hearty and energetic fish despite their size. They’re also beautiful, with bright pink and red scales that shine and shimmer when they catch the light.
This tiny fish can live up to 6 years, sometimes more. so you’ll have plenty of time to enjoy having it in your home. Though they are delicate fish, the Sparkling Gourami is not difficult to take care of if you know what you’re doing, and it has a flexible diet: you can feed it either meat or plants.
The price for a Sparkling Gourami varies quite a bit depending on where you buy it from: it can cost between $5 and $25.
5- Neon Tetra
This is one of my favorite freshwater aquarium fish. For new bathers and seasoned fish tank keepers alike, the Neon Tetra is a great option for small pet fish. The Neon Tetra is typically between 1 and 2 inches long and lives between 3 and 5 years. They’re also very inexpensive: adult fish can be purchased for as little as $1.50 each.
6- White Cloud Mountain Minnow
The White Cloud Mountain Minnow is an easy-to-care-for tropical freshwater fish. They are a small species of minnow and can live happily in most community aquariums, but do best on their own without other fish species.
They have an average adult length of 1.5 inches, and they are also fast swimmers who love to dart back and forth through your tank. Because they move so quickly, they need a lot of open space to swim around in, so you should try to choose a tropical tank with plenty of room for them to explore. Though they are small, the White Cloud Mountain Minnow is hardy and can live for up to 10 years if given proper care!
These aquarium slat freshwater fish are easy to care for, and they help maintain your tank by eating algae and other small food items. An individual fish can be purchased for about $4, or you can buy them in groups of five for a discounted price.
7- Harlequin Rasbora
The Harlequin Rasbora (Trigonostigma heteromorpha) is a small freshwater fish native to the slow-moving streams and tributaries of Southeast Asia. It is a member of the Cyprinidae family, which includes many other types of aquarium salt freshwater fish commonly kept as pets, such as loaches, barbs, and danios. The Harlequin Rasbora is one of the most popular freshwater aquarium fish in the world.
Harlequin Rasboras have an average lifespan of around 4 years. If you give them ideal conditions, though, they can live up to 8 years.
Harlequin Rasboras grow up to 1-1.5 inches long, That’s why they are great for smaller tanks that can’t fit larger fish.
Harlequin Rasboras cost anywhere from $2-$5 each, making them a very affordable option for freshwater fish aquariums.
8- Serpae Tetra
The Serpae Tetra is the ideal small schooling fish for your fish tank. These tiny beauties are known for their brilliant red and silver coloring, and their average life span is just under 4 years. They can be a little feisty, but they will live peacefully with other fish species as long as they have enough space. When fully grown, they generally measure between 1 and 2 inches in length. It is one of the best small aquarium fish that school.
Serpae Tetras are known to be aggressive to their own kind and other small fish. It is recommended that you only keep one Serpae Tetra per 20 gallons of water in your aquarium. This will give them enough room to swim around without getting into fights with their tank mates.
They can be found at most pet stores for about $5 per fish or less if you buy them in bulk, which is recommended since these fish prefer to school together.
9- Panda Corydora
If you’ve ever considered getting a small pet fish, the Panda Corydora is a great choice.
These little fish are beautiful and friendly, making them an excellent choice for aquarium fish beginners or families looking for an easy-going pet that everyone can enjoy.
The Panda Corydora is a freshwater fish that was discovered by scientists in 1975 in southeastern Brazil. It is not only beautiful but also relatively easy to care for, making it an ideal pet option for those who want a little bit of wildlife at home without having to put in too much work.
The Panda Corydora can live up to 5 years with proper care, making it a long-term commitment. It only grows up to 6 centimeters long and will spend most of its time at the bottom of the tank, so no worrying about these little guys jumping out and escaping into your living room.
These adorable fish are available for about $4 each from various online retailers, including PetSmart and Petco.
10- Glowlight Tetra
Glowlight tetras are the flawless small schooling fish for your aquarium. They are peaceful and easy to keep, and they make a beautiful addition to your tank. Glowlight Tetra is one of the fish that can live in small tanks.
Each Glowlight Tetra will grow up to 2 inches long, making them smaller than many other popular tetra species. Glowlight Tetras do best in well-planted tanks of at least 20 gallons. They are not fussy eaters, and they will accept most flaked foods as well as freeze-dried and frozen foods.
They prefer slightly acidic water conditions and will thrive with regular weekly water changes. Glowlight tetras will live several years with proper care, though their exact lifespan is unknown.
Glowlight tetras are compatible with many other tetra species, as well as peaceful danios and rasboras. They can also be kept with smaller corydoras catfish and much more peaceful bottom-dwelling fish like dwarf cichlids, apistogrammas, otocinclus catfish, and small plecos.
The Glowlight Tetra is the perfect small fish for your aquarium. At a lifespan of 5 years, and an average price of $2, it’s the ideal starter fish for those new to the aquarium hobby.
11- Pea Puffer
The pea puffer is an excellent small pet fish for your aquarium. These little guys are only about 1 inch in length and will live between 3 to 5 years when cared for properly. They can be fed with frozen blood worms and shrimp as well as live snails, blanched peas, and other vegetables.
They are generally peaceful unless you have multiple males, so make sure to keep a close eye on them if you have more than one. They should be kept in a tank with a minimum of 10 gallons, but preferably 20 gallons or more, and should not be kept with any other fish smaller than themselves, as they will eat them.
Allowing them to school together helps their stress levels, so keeping at least 6 together is ideal.
You can purchase pea puffers for about $15 each or less depending on the vendor and the quality of the breeder’s work.
12- Tiger Barb
Tiger barbs are of an ideal size for smaller aquariums. They’re also easy to care for, and they live relatively long lives.
The fish can grow up to 3 inches long and are found throughout the rivers of Southeast Asia. Tiger barbs live in shoals, so they should ideally be kept with at least four other tiger barbs.
As a fresh water fish species, tiger barbs need a tank that is at least 20 gallons in size. Tiger barbs are peaceful fish that prefer to live with others of their kind, so if your tank is 20 gallons or less, be sure that it has space for at least 4 of these little guys!
The tiger barb can live up to 7 years. So if you have kids, consider giving them a pet that will be with them long-term. It’s great practice for when you get them their first real dog or cat!
You can find tiger barbs for sale at most local pet stores, and they’re usually priced anywhere from $1.50 to $2 each.
13- German Blue Ram
The German Blue Ram can be a perfect addition to any freshwater aquarium. It is native to South America and lives in the Orinoco River, which runs through Venezuela and Colombia.
German Blue Rams are a relatively small species of fish, reaching a maximum size of 2-3 inches. They are known for their vibrant blue color and striking red eyes. Many German Blue Rams develop black spots or stripes on their fins as they age, making them even more beautiful.
German Blue Rams are easy to care for, and with proper care can live for up to 3 years. They are omnivores, so should be fed both plants and small invertebrates like shrimp or insects.
Depending on where you live, you can expect to pay between $5 and $20 for this fish.
14- Buenos Aires Tetra
Buenos Aires Tetra (Hyphessobrycon anisitsi) is an amazing small pet fish for your aquarium. It’s known to be peaceful, lively, and hardy.
They are usually found in shallow, slow-moving bodies of water, such as rivers or flooded areas, where there is plenty of vegetation.
The Buenos Aires tetra sports a silver body with a black lateral line and red eyes. Its dorsal fin has a yellowish tinge and its tail fin is transparent.
Buenos Aires tetras are shoaling fish, meaning they like to swim in groups of at least six, so you’ll need to buy multiple ones for their tank. Buenos Aires tetras prefer planted tanks with lots of hiding places but can also thrive in a community tank with other peaceful fish that are similar in size.
These aquarium salt freshwater fish are omnivores and will eat whatever they can find in their natural habitat: insects and other small aquatic animals as well as algae, plants, and plant matter. They will eat most food types offered in the aquarium trade such as flake food and freeze-dried blood worms.
These small, vibrant fish have a lifespan of about 5 years and are very easy to care for. They grow to be about 2 inches long, and they can range in price from $2-$5 per fish.
15- Dwarf Gourami
The Dwarf Gourami is an outstanding choice for a small aquarium. This fish is not only quite pretty, but it will also get along well with any other tropical fish you choose to place in your tank.
The Dwarf Gourami is a freshwater fish that lives in Southeast Asia and India. They are typically found in areas with a lot of vegetation, so they will work well in most home aquariums. While this fish does not grow very big, females can get up to 3 inches long and males up to 4 inches long. Their average lifespan is about 5 years with proper care.
This particular type of fish comes in a wide range of vibrant colors, including neon blue, red, green, and more. The price of this fish ranges from $5-$20 depending on the store you purchase it from.
16- Betta Fish (My Favorite)
This one is my the most favorite freshwater aquarium fish. Betta Fish are small and come in a variety of colors and patterns. They have long fins that make them look more like flowers than fish. With a lifespan of 2 to 3 years and an average size of 2.5 inches, this fish is a great fit for any fish tank.
Betta Fish are especially fantastic for small aquariums and are a perfect fit for your home or office. Since they only need one gallon of water, you don’t need to buy an expensive tank or spend a ton of money on equipment for them to thrive. If you are looking to have a beautiful betta fish tank then you should try this one.
Betta Fish are very easy to care for. They eat pellets but will also eat freeze-dried bloodworms and brine shrimp if given the chance. Their diet should consist mostly of plants because this will help keep their bodies healthy and colorful!
Betta fish can cost anywhere from $5-$30 depending on the size and color you choose but they are worth every penny! If you’re looking for a new pet that is easy to take care of, then consider buying 5 of them because they are so awesome!
17- Congo Tetra
You want to get a fish that will be healthy for years, without getting too big and posing a threat to the other animals in your tank.
Fortunately, there is one fish that is perfect for these goals: the Congo Tetra.
This fish is native to the Democratic Republic of Congo and can be found in the wild near rocks and fallen tree branches. They are small in size, about 1.5 inches, and have beautiful yellow-green coloration with a metallic sheen.
They are also very easy to breed in captivity, as they lay their eggs directly on the surface of flat rocks or branches. It will cost you about $3.
These fish will live over 4 years if properly cared for, making them an ideal companion for any aquarium.
18- Beacon Fish
The Beacon Fish is a species of small fish that’s perfect for your small aquarium environment.
Beacon Fish have a life span of about 4 years, but they can live up to 6 years if you take good care of them.
Mature Beacon Fish grow to be about 1.5 inches long, so you can fit several of them in the same aquarium without worrying about overcrowding.
You can buy Beacon Fish for around $5-$15 each.
19- Black Phantom Tetra
The Black Phantom Tetra is an Ideal small pet fish if you have a small aquarium. This tropical freshwater fish is a great option for aquarium hobbyists who want a peaceful habitant that won’t eat their other fish species. They’re also known for their striking appearance: a deep black body with bright red fins, and a bright red line running along their side.
The average life span of a Black Phantom Tetra is 5 years. Their size ranges from 1 to 2 inches, putting them on the smaller end of the spectrum when it comes to freshwater aquarium fish.
Price-wise, they’re cheaper than most other popular tropical fish, making them a great option if you’re buying in bulk or if you have an especially large aquarium to stock. You can purchase them for about $3 each.
Because they’re so small, they’re not as easy to spot as some other aquarium fish, so make sure you watch for them! They enjoy exploring underwater plants and hiding among them, so if you want to make sure you see your Black Phantom Tetras at all times, stick with plants that aren’t too thick or leafy.
20- Black Ruby Barb
If you’re looking for a flawless small pet fish for your aquarium, Black Ruby Barb is a fantastic option. Black Ruby Barbs are beautifully colored, with a shiny black body, ruby-red fins, and a black-spotted tail fin, making them an excellent addition to your tank.
Black Ruby Barbs are very social animals that thrive in groups; they’ll live longer and be happier if you keep at least five of them together.
Black Ruby Barb Tetras have a lifespan of 10 years and are relatively easy to care for. They grow up to about 1 inch in length, so they require only the smallest amount of space in your tank. They are also inexpensive and easy to find, costing anywhere from $5-$10 each.
21- Least Killifish
The Least Killifish is an excellent small aquarium fish that you can keep in your aquarium because of its beautiful shape and color, which is blue with a green tint on its body. They are very popular among aquarists and even people who do not have an aquarium because of their peaceful nature and ability to live for a long time without having to change the water too often.
The Least Killifish is a small fish that lives in the tropics, so it can survive in warm weather but will die if temperatures reach below zero degrees Celsius or above 50 degrees Fahrenheit.
It has a lifespan of 3 years if cared for properly; however, it can only survive up to six months without being fed any food such as insects or worms.
They will grow to be 5 inches long at maturity, which makes them good fish for small tank that doesn’t take up much space in your home or office building.
The least Killifish average around $1-$5 each, making them a very affordable option for your aquarium.
22- Bumblebee Goby
Bumblebee Goby Tetra, also known as the Banded Archerfish, is a popular freshwater aquarium fish. Bumblebee Goby Tetras are attractive, very peaceful, and easy to care for. They make a great addition to your community aquarium and are an excellent choice for beginner aquarists.
Bumblebee Goby Tetras have a slender body shape, with an overall black coloring with a white band across the midsection. The fins are clear.
The Bumblebee Goby fish will eat most prepared foods and sometimes accept frozen or freeze-dried foods. They are known to be a picky eater but will eat nearly any food if you place it on the bottom of the tank.
They are a fast swimmer, they love to hide in caves and rocks. They are known to adapt to new environments and can tolerate many different water conditions. They enjoy eating worms and algae.
They will grow up to 2 inches (5 cm). They live up to 3 years in captivity. The price of a bumblebee goby is $8-$10 per fish.
23- Scarlet Badis
Scarlet Badis is a small freshwater aquarium fish that is easy to care for and looks great in your home aquarium.
The Scarlet Badis is considered one of the best small aquarium fish for aquarium fish beginners, as it’s often very tolerant of different water conditions. They only grow to 3.2 cm in length and live for about 2 years. Scarlet badis are peaceful with other fish and can be kept with a variety of other community fish.
The Scarlet Badis is a shy fish that likes to hide, so you’ll want to provide plenty of hiding places for them in your aquarium. They enjoy eating live food, such as brine shrimp, daphnia, mosquito larvae, and fruit flies.
In terms of price, the Scarlet Badis Tetra ranges from $3 to $5 per fish.
24- Cardinal Tetra
Cardinal Tetra is a popular small aquarium fish because they are easy to care for and can be declared as good fish for small tank. They can peacefully live with many other species of fish. As they are active and colorful, they can liven up any aquarium.
The Cardinal Tetra can reach sizes up to 1.3 inches (3 cm) long. They have silvery white bodies with bright red bellies. They also have black markings on their dorsal fins, which is what gives them their name. They resemble cardinals on the ends of their fins!
The Cardinal Tetra has a relatively short lifespan of about 3 years in the wild and four years in captivity. However, this does not mean that they should not be kept as pets. Many people prefer keeping shorter-lived animals such as these because it means less time spent caring for them.
The average price for Cardinal Tetras is anywhere from $1-$10 per fish depending on their size and coloration!
25- Fancy Guppies
Fancy guppies are popular small aquarium fish. They are often kept by hobbyists who enjoy raising and breeding these fish. Fancy guppies were first caught in 1866 when they were discovered in Trinidad by Robert John Lechmere Guppy.
Guppies generally live between 2 to 3 years but can live up to five years if well cared for. The average size of a fancy guppy tetra is 1.5 inches, though this can vary slightly depending on gender and health. A healthy fancy guppy will have a rounded belly and a full dorsal fin that is not torn or ragged looking.
These fish are relatively inexpensive to keep compared to other tropical fish. The average price for a fancy guppy is about $7 per fish, with males being more expensive than females.
26- Asian Stone Catfish
The Asian Stone Catfish is one of the most popular small aquarium fish for you. It’s known for its longevity and can live up to 10 years if cared for correctly. It’s generally a peaceful catfish that can live in a tank with other small species, however, it’s known to become aggressive if it’s hungry.
These fish are bottom feeders, they like to eat from the bottom of the tank. They can be fed a diet of fish food pellets or shrimp pellets, but they also enjoy eating frozen foods.
Asian Stone Catfish are omnivorous and will eat anything they can find at the bottom of the tank: small fish, worms, and insects.
Asian Stone Catfish prefer to live in shallow waters with lots of rocks and vegetation to hide in during daylight hours.
It is recommended that you keep at least 6 of these fish in your aquarium, as they are very social creatures who thrive in groups. They are about 2.5 inches long at maturity and cost about $2-$8 each.
27- Chili Rasbora
The chili rasbora is a popular small aquarium fish. It is red in color, which makes it look like a pepper! This fish has an omnivorous diet, but it loves to eat live food like bloodworm and mosquito larvae.
Because of its bright coloring and peaceful nature, the chili rasbora is a great addition to any aquarium. It will add some color to your tank and will not cause trouble for other fish.
The Chili Rasbora Tetra is also known as Boraras brigittae. These fish are very popular among fish keepers who want an attractive and peaceful community fish that does well in smaller tanks. The Chili Rasbora Tetra is a member of the Cyprinidae family, which includes goldfish and koi carp. It is native to Southeast Asia where it inhabits slow-moving streams and swamps.
The average life span for Chili Rasbora is 4-6 years. They can range from 1 to 1.5 inches in length, which is about 2 cm. You can expect to pay around $3-$4 per fish.
28- Rummy Nose Tetra
The Rummy Nose Tetra is a popular small aquarium fish, growing to a size of 1 to 2 inches. It is named for the distinctive red coloring on its head.
Keep in mind that the Rummy Nose Tetra is a schooling fish, so you will want to buy at least six of them. They should be kept in an aquarium that is heated to about 75 degrees Fahrenheit utilizing a water heater, and the tank should have live plants and decorations for hiding as well as an open swimming space.
Rummy Nose Tetras are omnivores, so they should be fed both live food like brine shrimp and flake food twice a day.
You can usually find this fish in pet stores for under $5.The Rummy Nose Tetra is not difficult to keep and can live up to 5 years with proper care.
29- Peacock Gudgeon
Peacock Gudgeon is a small, brightly colored fish that is popular in aquariums. The Peacock Gudgeon has a long, slender body, with the male growing to be around 3 inches and the females growing to be around 2 inches.
The Peacock Gudgeon can live for up to 5 years and is not known for being a picky eater and does well on a varied diet of flake food, bloodworms, brine shrimp, and blackworms.
The Peacock Gudgeon is native to Australia, New Guinea, and the southern Pacific islands. It is a peaceful fish that does well in community tanks.
The Peacock Gudgeon is an egg-scattering species which makes it difficult to breed them in an aquarium setting. If you want to try your hand at breeding them, they will do best in tanks that have plenty of plants with open spaces for swimming.
The Peacock Gudgeon is not known for being aggressive or territorial towards other fish but can become territorial towards other Peacocks if they are kept in a too-small tank.
Its price varies depending on location and availability, but it can be found in most pet stores for around $5-$15 each.
30- Endler’s Livebearer
The Endler’s Livebearer is a relatively small fish native to Venezuela. They’re an extremely popular option for aquariums and are often kept as pets. These fish are known for their strikingly beautiful colors, which range from bright electric blue to soft, creamy pink.
Endler’s Livebearers live for about 1 year in captivity but can live longer if provided with favorable conditions. In order to thrive, these fish need access to lots of clean water and plenty of space. They max out at around 1 inch in length, though they typically only grow to be about 0.5 inches long.
If you’re interested in purchasing Endler’s Livebearers, you can expect to spend roughly $10 per fish.
31- Zebra Danio
Zebra Danios are a well-known freshwater aquarium fish. They are beautiful, social, and easy to care for, which makes them highly desirable as pets. They can live up to 5 years and grow up to 2 inches in length. Their average price is $2 each.
However, there are things you should know before buying a Zebra Danio: they need small groups of at least six in order to feel comfortable enough to swim around their tank; they do not like bright light or high temperatures, and they need a tank that is between 15 and 20 gallons long.
32- Celestial Pearl Danio
The Celestial Pearl Danio is a beautiful, non-aggressive freshwater fish that is cool fish to have as pets for both beginner and advanced aquarium hobbyists. The Celestial Pearl Danio has an average lifespan of 3 years, which makes it a long-term addition to any aquarium. It is a small fish, growing to only about 2 centimeters in length when full-grown. The Celestial Pearl Danio is also known as the Galaxy Rasbora or Microrasbora Spilonotus.
The Celestial Pearl Danio gets its name from the coloration on its body, which resembles pearls and stars against a dark blue sky. Certain variations of this species have been shown to have bright orange highlights along with their fins and tails as well.
Celestial Pearl Danios are typically sold in groups of three or more, as they like to swim in schools once they are comfortable with their surroundings. These fish prefer planted tanks with subdued lighting, so if you want to keep your celestial pearl danio happy in your aquarium, make sure you provide them with plenty of low-light plants.
It reaches full maturity at one year of age. Its price usually ranges between $2 and $10 per fish. If you are looking for a schooling fish, then you should definitely give it a try.
33- Bluefin Notho
Bluefin Nothos are a type of fish that have gained popularity as pets due to their small size and striking appearance. Their name stems from the fact that they are nothobranchus (“false gills”) rachovii, or “giant” bluefin.
These fish can live up to 10 years, but they will only grow to be around 5 inches long, so they do not require a large tank. It is recommended that you keep them in schools of 4-6 fish in a 20-gallon tank in order to keep them happy and promote their natural behavior.
Bluefin Nothos are relatively inexpensive, costing under $15 per fish, and they do not require a lot of care, making them an ideal pet for busy people who want something more interesting than a goldfish.
Looking for small aquarium fish that school? then you should definitely go for Bluefin Notho.
Which One is the Most Beautiful Small Aquarium Fish?
Of all the small aquarium fish, it is difficult to choose a favorite. Some might prefer the vibrant and glossy scales of the neon tetra, while others may prefer the bright coloring and peaceful nature of the Chili Rasbora. However, if one were to find a single small aquarium fish that combines all these qualities and more, it is hard to beat the beauty and grace of the Betta Fish.
Why Small Fish Die in Aquarium?
Reasons why small fish die in aquarium:
- They are too tiny to compete with other fish.
- They have no immunity to parasites and diseases because they are not fed well before purchasing.
- They are very vulnerable to stress, especially if you buy them from a store where the water is not clean enough or if the water is too cold.
- They are not strong enough to survive in your tank because they came from a completely different environment where everything was provided for them.
- They were already sick prior to purchase and their immune system was weakened by the stress of the trip home.
I hope you have found your dream small pet fish on this list. Please let us know in the comment which one of these is your favorite.
|Mickey Mouse Platy
|White Cloud Mountain Minnow
|German Blue Ram
|Buenos Aires Tetra
|Black Phantom Tetra
|Black Ruby Barb
|Asian Stone Catfish
|Rummy Nose Tetra
|Celestial Pearl Danio