An Aquascaping Technique Guide - Sevenports Nano Aquariums
Aquascaping is described as 'underwater gardening,' using techniques of setting up, decorating, and arranging a set of elements, like aquatic plants, stones, ...
small freshwater fish
For <anchor>small freshwater fish</anchor>, many people opt for species such as Neon Tetra (Paracheirodon innesi), Cardinal Tetras (Paracheirodon axelrodi), Chili Rasbora (Boraras brigittae), Bettas (Betta splendens), Harlequin Rasboras (Trigonostigma heteromorpha), Fancy Guppies (Poecilia reticulata), Endler’s Livebearers (Poecilia wingei), Zebra Danios (Danio Rerio), and Bluefin Notho (Nothobranchius rachovii), among others.
25 Small Aquarium Fish for Your Freshwater Tank
25 Small Aquarium Fish for Your Freshwater Tank

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# 25 Small Aquarium Fish for Your Freshwater Tank

These small fish are perfect for just about any freshwater aquarium.

By

[Jessie Sanders](https://www.thesprucepets.com/jessie-sanders-dvm-certaqv-4777102)

[Jessie Sanders](https://www.thesprucepets.com/jessie-sanders-dvm-certaqv-4777102)

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Jessie Sanders, DVM, DABVP (Fish Practice), is an accomplished aquatic veterinary medicine expert with nearly two decades of experience working with private patients and aquaculture facilities. She owns Aquatic Veterinary Services and specilaizes in fish surgery. Dr. Sanders was one of the first Certified Aquatic Veterinarians through the World Aquatic Veterinary Medical Association.

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Updated on 04/29/24

Reviewed by

[Nick Saint-Erne](https://www.thesprucepets.com/nick-saint-erne-4687100)

Reviewed by [Nick Saint-Erne](https://www.thesprucepets.com/nick-saint-erne-4687100)

Dr. Nick Saint-Erne, DVM, is a highly accomplished veterinarian and writer who has treated zoo animals and exotic pets for more than 35 years. He has worked with the Centers for Disease Control and Prevention to improve pet store animal care among other endeavors. Dr. Saint-Erne is part of The Spruce Pets' veterinary review board.

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![Orange and white black-spotted fish swimming in aquarium](https://www.thesprucepets.com/thmb/7jfRUWyxAEorSJyT3Hxh57q-720=/3000x0/filters:no_upscale():strip_icc()/small-aquarium-fish-breeds-for-freshwater-5120495-hero-f100259328dd4c3287645b3903eea69a.jpg)

The Spruce / Adrienne Legault

Looking for a small addition to a new or existing freshwater aquarium? We have the best of the small aquarium fish species for your tank. Most of these fish grow to less than 3 inches, but note that many of these species do best when kept in a small school of a minimum of three to five individuals.

Before adding new fish species, do your research thoroughly to make sure the required environmental parameters of the new fish species match the existing conditions in your aquarium and that all the fish are compatible. All [new fish](https://www.thesprucepets.com/add-fish-to-an-aquarium-1378776) should be quarantined in a separate tank with separate equipment for four to six weeks to prevent the introduction of disease.

Here are 25 small aquarium fish to consider for your freshwater tank.

- 01 of 25







## [Mickey Mouse Platy](https://www.thesprucepets.com/mickey-mouse-platy-1381065)





![Mickey Mouse Platy](https://www.thesprucepets.com/thmb/zLLQrPfVzu6w-8w_jE3BMISHWvQ=/2122x0/filters:no_upscale():strip_icc()/GettyImages-1217829708-a3db0350905342fa99f21a0a7623b050.jpg)





MATTHIASROBBIONE/Getty Images



Platys are colorful fish that are very suitable for beginners. Since they are [livebearing](https://www.thesprucepets.com/livebearing-aquarium-fish-1378599) fish, many hobbyists start out with only a few fish—which can quickly multiply into many fish. The Mickey Mouse platy is named for a very specific color pattern formed in the tail peduncle. The minimum tank size for this species is 10 gallons.




Other platysinclude the [red wagtail](https://www.thesprucepets.com/red-wagtail-platy-1378614), wagtail, and [many more](https://www.thesprucepets.com/platy-types-1381066).






### Species Overview





**Common Names:** Golden moon platy, Mickey Mouse platy, moonfish



**Scientific Name:** _Xiphophorus maculatus_



**Adult Size:** 1 1/2 to 2 inches (3 1/2 to 5 centimeters)



**Life Span**: 5 years

- 02 of 25







## [Guppy](https://www.thesprucepets.com/guppy-fish-species-profile-5078901)











isoft/Getty Images



Guppies are a cornerstone of the small fish aquarium hobby. Another livebearing species, guppy tanks are often overrun with offspring from frequent breeding. The best skill any guppy owner can learn is to tell the difference between males and females to keep populations from exploding. The males are smaller and more colorful fish, while the larger females can have a colorful tail fin but the body is plain with a large white belly.




The more guppies you have, the bigger your tank needs to be. For instance, if you have a 30-gallon tank, you can keep around 15 guppies, but if you have a 10-gallon tank, only about five of them can be kept in it.






### Species Overview





**Common Name:** Guppy



**Scientific Name:** _Poecilia reticulata_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 3 to 5 years

- 03 of 25







## [Zebra Danio (Zebrafish)](https://www.thesprucepets.com/zebra-danio-1378473)











isoft/Getty Images



These small, striped fish are one of the few in the aquarium hobby that don't require warm tropical temperatures. Zebrafish are peaceful, community players that love schooling in groups of five or more fish. There are [multiple Danio species](https://www.thesprucepets.com/danio-species-1381076) available in the pet market with a variety of colors and markings. There is a long fin variety of zebra danio, and this fish is also available in glow colors that were developed by adding fluorescent genes into the fish. You’ll need at least a 10-gallon tank for them.






### Species Overview





**Common Names:** Striped danio, zebra danio, zebrafish



**Scientific Name:** _Danio rerio_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 5 years

- 04 of 25







## [Neon Tetra](https://www.thesprucepets.com/neon-tetra-paracheirodon-1381835)











Mirko\_Rosenau/Getty Images



One of the most common small freshwater aquarium species is the neon tetra. These fish are known for their colorful appearance with bright red and blue stripes. They are great community fish and school together in a vibrant wave.




[The cardinal tetra](https://www.thesprucepets.com/cardinal-tetra-1378417) is another, very similar species. They are [distinguishable from the more common neon tetra](https://www.thesprucepets.com/how-to-tell-neon-and-cardinal-tetras-apart-1380973) by their longer red belly bar that extends all the way to the head. The [black neon tetra](https://www.thesprucepets.com/black-neon-tetra-1378291) is a similar species with black and gold bars instead of red and blue colors. Depending on the type of tetra you get, you’ll need a 10- or 20-gallon tank at minimum.






### Species Overview





**Common Names:** Neon tetra, neon fish



**Scientific Name:** _Paracheirodon innesi_



**Adult Size:** 1 1/2 inches (4 centimeters)



**Life Span:** 5 years













Continue to 5 of 25 below

- 05 of 25







## [White Cloud Mountain Minnow](https://www.thesprucepets.com/white-cloud-mountain-minnow-1380870)











Besjunior/Getty Images



The white cloud mountain minnow is another species of small community fish that does not require warm tropical temperatures. These fish do well in temperate tanks with zebrafish and goldfish, provided they are not snack size. These fish are commonly added to aquascape setups, where focus is put on the plants, not necessarily the fish, and just a school of one species of fish is added into the aquarium. The minimum tank size for these fish is 10 gallons.






### Species Overview





**Common Names:** Canton danio, Chinese danio, white cloud, white cloud mountain fish, white cloud mountain minnow



**Scientific Name:** _Tanichthys albonubes_



**Adult Size:** 1 1/2 inches (4 centimeters)



**Life Span:** 3 to 5 years

- 06 of 25







## [Harlequin Rasbora](https://www.thesprucepets.com/harlequin-rasbora-1378462)











Mirko\_Rosenau/Getty Images



The harlequin rasbora is a small, schooling fish with a vibrant ruby coloration, contrasted with a black marking on the back half of the body, giving them the two-toned "harlequin" appearance. These peaceful fish add a bright splash of color to planted or aquascaped tanks. There are also other species of rasbora, like the [scissortail](https://www.thesprucepets.com/scissortail-rasbora-1380865), that stay small and do well in community aquariums. If you have a 20-gallon tank, you can house 10 harlequin rasboras in it.






### Species Overview





**Common Name:** Harlequin rasbora, red rasbora



**Scientific Name:** _Trigonostigma heteromorpha_



**Adult Size:** 1 3/4 inches (4 1/2 centimeters)



**Life Span:** 6 years

- 07 of 25







## [Serpae Tetra](https://www.thesprucepets.com/serpae-tetra-1381825)











Mirko\_Rosenau/Getty Images



The serpae tetra is a smaller fish with a big personality. These bright red schooling fish with black spots on the body and fins provide color to natural aquascapes with lots of aquatic plants. These fish are very active, and have the habit of biting fins of their friends and tankmates. There is a longfin variety of this fish species that is sometimes available at fish stores. These fish require a minimum tank size of 20 gallons.






### Species Overview





**Common Names:** Blood characin, callistus tetra, jewel tetra, red minor tetra, red serpae, serpae tetra



**Scientific Name:** _Hyphessobrycon eques_



**Adult Size:** 1 3/4 inches (4 1/2 centimeters)



**Life Span:** 5 years

- 08 of 25







## [Panda Corydoras](https://www.thesprucepets.com/panda-cory-1380838)











Miropa/Getty Images



The panda corydoras is a common corydoras species seen in the pet trade. These catfish have a white or translucent body with contrasting black spots on the head and tail base, giving them their panda-esque coloration. The minimum tank size for these fish is 10 gallons.




There are multiple species of corydoras catfishwith similar, peaceful temperaments. The main differences between these species are their colors and markings. All corydoras are small, peaceful, bottom-dwelling, nocturnal fish species.






### Species Overview





**Common Names:** Panda catfish, panda cory, panda corydoras



**Scientific Name:** _Corydoras panda_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 10 years













Continue to 9 of 25 below

- 09 of 25







## [Glowlight Tetra](https://www.thesprucepets.com/glowlight-tetra-1381833)











bdspn/Getty Images



The glowlight tetra is not to be confused with [GloFish species](https://www.thesprucepets.com/glow-in-the-dark-fish-1378527). Their coloration comes from natural color patterns and has not been genetically engineered. This is a peaceful schooling tetra that is easy to care for. The translucent, silvery body of the glowlight tetra is divided by an iridescent red-gold stripe running from snout to tail. A 10-gallon tank is all you need, at minimum, for these tetras.






### Species Overview





**Common Names:** Glowlight tetra, glolight, fire neon



**Scientific Name:** _Hemigrammus erythrozonus_



**Adult Size:** 1 1/2 inches (4 centimeters)



**Life Span:** 5 years

- 10 of 25







## [Pea Puffer](https://www.thesprucepets.com/pea-puffer-fish-species-profile-5101734)











Daniel Szente/Flickr



A newer addition to the aquarium hobby, the pea puffer is a small but mighty member of the pufferfish family. Don't let their small size trick you! These small fish can be aggressive, even against their own kind. They are usually kept by themselves in a heavily planted aquarium of at least 5 gallons, or two to three can be kept in a 10-gallon aquarium. If keeping them with other fish, those should be small but fast swimming, non-aggressive species.




The pea puffer is not recommended for beginner hobbyists. Proper diet and environment are key in long-term survival of these fish.They are carnivores, so they do well on a diet of frozen bloodworms, brine shrimp, and other meaty foods, and may eat small fish food pellets.






### Species Overview





**Common Names:** Pea puffer, dwarf puffer, bumblebee puffer, Malabar puffer, pygmy puffer



**Scientific Name:** _Carinotetraodon travancoricus_



**Adult Size:** 1 to 1 1/2 inches (3 to 4 centimeters)



**Life Span:** 4 years

- 11 of 25







## [Tiger Barb](https://www.thesprucepets.com/tiger-barb-1378470)











Mirko\_Rosenau/Getty Images



The tiger barb is an easy fish to take care of, but they do not play well in community tanks. Be sure they are in a tank with more aggressive fish and have lots of room to swim. They do better when kept in a school of six or more tiger barbs. They need a 20-gallon tank, at minimum.




There are several color variations available, including green and albino. There is a longfin variety that is sometimes available at fish stores, as well as a fluorescent GloFish tiger barb.






### Species Overview





**Common Names:** Tiger barb, sumatra barb, and partbelt barb



**Scientific Name:** _Barbus tetrazona_



**Adult Size:** 3 inches (7 centimeters)



**Life Span:** 6 years

- 12 of 25







## [Swordtail](https://www.thesprucepets.com/swordtail-fish-species-profile-5078361)











The Spruce / Adrienne Legault



Named for the elongated extension of the caudal fin in males, the swordtail is another livebearer fish that can quickly overpopulate a small aquarium. There are many color varieties of swordtail available in the pet fish market. They are peaceful fish, larger than most other livebearers. The females are as colorful as the males but don't have the sword extension on their tail fin. In terms of tanks size, a minimum of 20 gallons is best.






### Species Overview





**Common Name:** Swordtail



**Scientific Name:** _Xiphophorus helleri_



**Adult Size:** 3 to 4 inches (7 to 10 centimeters)



**Life Span:** 3 to 5 years













Continue to 13 of 25 below

- 13 of 25







## [German Blue Ram](https://www.thesprucepets.com/german-blue-ram-fish-profile-5088724)











Mirko\_Rosenau/Getty Images



There are many species within the [cichlid family](https://www.thesprucepets.com/cichlids-diverse-aquatic-life-4058856), but relatively few that stay small in size and can be kept in a community aquarium. The German blue ram is one such species, but is not recommended for beginners given their strict water quality and habitat requirements. They are a beautiful addition to planted aquariums with warm, acidic water conditions. Also, 20 gallons is the minimum tank size for this fish.






### Species Overview





**Common Names:** German blue ram, ram cichlid, German blue



**Scientific Name:** _Mikrogeophagus ramirezi_



**Adult Size:** 2 to 3 inches (5 to 7 centimeters)



**Life Span:** 3 to 5 years

- 14 of 25







## [Buenos Aires Tetra](https://www.thesprucepets.com/buenos-aires-tetra-1381823)











Mirko\_Rosenau/Getty Images



The Buenos Aires tetra is making a comeback in the aquarium hobby. Once known as voracious plant eaters, these colorful fish are being seen more in heavily planted tanks, where plant food is plentiful. These community fish are easy to care for and can tolerate many beginner mistakes. Despite being small, they need a least a 30-gallon tank.






### Species Overview





**Common Names:** Buenos Aires tetra, diamond spot characin, red cross fish



**Scientific Name:** _Hyphessobrycon anisitsi_



**Adult Size:** 2 3/4 inches (7 centimeters)



**Life Span:** 5 years

- 15 of 25







## [Dwarf Gourami](https://www.thesprucepets.com/dwarf-gourami-1378310)











Mirko\_Rosenau / Getty Images



Of the many gourami species, there are few that stay small. Most gouramis are medium-sized fish, but the dwarf gourami, as the name suggests, tops out at only 2 inches. Like other gouramis, these intermediate-level fish have specific environmental requirements for successful lives. The dwarf gourami can be kept in a community aquarium with other small, peaceful fish species.




The male has brilliant red and blue bands, and the female has more subdued coloration. There are several color varieties of this species, such as the powder blue dwarf gourami, which is all blue and has no red bands. At a minimum, they need a 5-gallon tank.






### Species Overview





**Common Names:** Dwarf gourami, flame gourami, powder blue gourami, red gourami, sunset gourami



**Scientific Name:** _Trichogaster Ialius_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 4 years

- 16 of 25







## [Gold (Chinese) Barb](https://www.thesprucepets.com/gold-barb-1378460)











NERYX/Getty Images



Although this fish is green in the wild, they've been captively bred to show brilliant golden coloration. There are a few other colors that have subsequently been bred, including an albino and a tricolor variation. These active fish play well in community tanks, but do prefer slightly less than tropical temperatures.




Gold barbs are schooling fish and should be kept in groups of six or more. Their peaceful nature makes them an excellent choice for community aquariums with tetras, danios, and other small barbs. They should have, at minimum, a 20-gallon tank.






### Species Overview





**Common Names:** China barb, Chinese barb, Chinese half-striped barb, gold barb, green barb, half banded barb, half-stripes barb, Schubert's barb, six-banded banded barb



**Scientific Name:** _Puntius semifasciolatus_



**Adult Size:** 3 inches (7 1/2 centimeters)



**Life Span:** 5 years













Continue to 17 of 25 below

- 17 of 25







## [Betta](https://www.thesprucepets.com/siamese-fighting-fish-bettas-1378308)











Getty Images/DEA/C. DANI



Betta fish are one of the most common pet fish species. Given their aggressive nature, male bettas must be kept away from other male bettas. However, one male betta can be kept in a community aquarium with fast swimming, non-aggressive fish species. Usually, several females can be kept together in an aquarium with other fish species, but sometimes even female bettas may fight each other. The male and female should only be together when breeding, then the female removed, or the male will bully her and can cause damage.




Betta fish come in a rainbow variety of colors and tail shapes. They should be kept in a spacious tank of 5 to 10 gallons or more, not in a tiny bowl like you find them at pet stores.






### Species Overview





**Common Names:** Betta, Siamese fighting fish



**Scientific Name:** _Betta splendens_



**Adult Size:** 3 inches (7 1/2 centimeters)



**Life Span:** 2 to 3 years

- 18 of 25







## [Hachetfish](https://www.thesprucepets.com/the-hatchet-fish-carnegiella-strigata-3966896)











Besjunior/Getty Images



Looking for a more challenging and rare small fish species? Hatchetfish have a very unique, compressed body shape, and they're known for flying over the top of the water using their wing-like fins. These fish are not for beginners, since they have very specific tank requirements. They will leap out of the water if frightened, so the aquarium must have a secure and tight-fitting lid to keep the fish from flying out. Place these fish in a tank that’s at least 30 gallons.






### Species Overview





**Common Name:** Marbled hatchetfish



**Scientific Name:** _Carnegiella strigata_



**Adult Size:** 1 to 2 inches (3 to 5 centimeters)



**Life Span:** 5 years

- 19 of 25







## [Congo Tetra](https://www.thesprucepets.com/congo-tetra-1380990)











Getty Images/Mirko\_Rosenau



The Congo tetra pushes the maximum length of the small fish category, but these schooling fish are a rainbow addition to many tanks. They are peaceful aquarium fish, with males having longer fins than females. Aim to keep them with other species that are about the same size or smaller. Good examples of tankmates include rainbowfish, swordtails, guppies, and other tetras. Also, keep them in a 30-gallon tank, at a minimum, if you have a smaller school of six fish—larger schools will need a bigger tank.






### Species Overview





**Common Name:** Congo tetra



**Scientific Name:** _Phenacogrammus interruptus_



**Adult Size:** 3 to 3 1/2 inches (7 to 9 centimeters)



**Life Span:** 3 to 5 years

- 20 of 25







## [Beacon Fish](https://www.thesprucepets.com/head-and-tail-light-tetra-1381824)











Dennis Amith/Flickr



The Beacon fish is another member of the tetra family. Also known as the head and tail light tetra, this fish has distinctive copper spots that resemble lights on a vehicle—one is located at the base of the tail and the other is above the eye. These fish do best in lower lighting with lots of plant cover. The minimum tank size for them is 15 gallons.






### Species Overview





**Common Names:** Beacon fish, beacon tetra, head and tail light tetra



**Scientific Name:** _Hemigrammus ocellifer_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 5 years













Continue to 21 of 25 below

- 21 of 25







## [Black Phantom Tetra](https://www.thesprucepets.com/black-phantom-tetra-1381828)










Citron/Wikimedia Commons/CC-BY-SA-3.0


Rather than bright colors, the black phantom tetra is known for a darker appearance with elongated dorsal fin. The black phantom tetra gets their name from an "eye patch" behind the gills, as if a phantom is peering back at you. But don't worry, despite the name, this is a peaceful schooling fish. These fish make a great contrast with other colorful tetra species that will typically all school together. They require, at minimum, a 10-gallon tank.






### Species Overview





**Common Names:** Black phantom tetra, phantom tetra



**Scientific Name:** _Hyphessobrycon megalopterus_



**Adult Size:** 1 3/4 inches (4 1/2 centimeters)



**Life Span:** 5 years

- 22 of 25







## [Black Ruby Barb](https://www.thesprucepets.com/black-ruby-barb-1380762)











Derek Ramsey/Wikimedia Commons



Also known as the purple-headed barb, the black ruby barb has a distinct deep red coloration not commonly seen in other aquarium fish. With a similar body shape as the tiger barb, these fish start with a pale yellow body that deepens with maturity.Adult males are noticeably smaller, slimmer, and more colorful than females. They should be housed in a 30-gallon tank, at a minimum.






### Species Overview





**Common Names:** Purple-headed barb, purplehead barb, ruby barb, black barb



**Scientific Name:** _Pethia nigrofasciata_



**Adult Size:** 2 to 3 inches (5 to 7 centimeters)



**Life Span:** 5 years

- 23 of 25







## [Cherry Barb](https://www.thesprucepets.com/cherry-barb-fish-species-profile-5187999)










Brian Gratwicke


The cherry barb is named for the male’s bright red color—the female has more subdued coloration that is more orange than red—so they can be a lovely addition to your aquarium if you want to add a colorful fish. These barbs like to be in schools of five or six, at a minimum. They can also be in a peaceful tank with other barbs and tetras. 25 gallons is the minimum tank size for them.






### Species Overview





**Common Name:** Cherry barb



**Scientific Name:** _Puntius titteya_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 4 to 6 years

- 24 of 25







## [Molly](https://www.thesprucepets.com/the-mollie-1380726)











The Spruce / Adrienne Legault



There are various types of mollies, and they come in a wide range of colors and boast beautiful fins and tails. For example, there are solid black mollies and albino mollies that have red eyes. These small fish are relatively hardy livebearers, and they also prefer being in warmer water, so be sure your temperature is correct for them. These peaceful fish need a minimum tank size of 20 gallons.






### Species Overview





**Common Names:** Sailfin molly, white molly, black molly, lyretail molly, golden molly, dalmatian molly, short-finned molly



**Scientific Name:** _Poecilia sp._



**Adult Size:** Up to 5.5 inches (14 centimeters)



**Life Span:** 5 years













Continue to 25 of 25 below

- 25 of 25







## [Pearl Danio](https://www.thesprucepets.com/pearl-danio-1378466)










slowmotiongli / Getty Images


The pearl danio is easy to care for, as they can tolerate a range of water conditions. They also make a lovely addition to any tank filled with peaceful community fish. And they easily reproduce, so you might get more of them if you care for them properly. These iridescent fish are eye-catching, with their blue-violet body and orange-red stripe that runs from the mid-body to the tail. They should be kept in schools, and the minimum tank size for this species is 20 gallons.






### Species Overview





**Common Names:** Pearl danio, spotted danio



**Scientific Name:** _Danio albolineatus_



**Adult Size:** 2 inches (5 centimeters)



**Life Span:** 5 years


FAQ

- How many fish can you keep in one aquarium?







This depends on the fish and the size of the tank. However, the basic math is 1 inch of fish to 1 to 2 gallons of water.

- How do I take care of fish in an aquarium?







The best way to take care of your new aquarium is by maintaining it: keep an eye on water conditions, including the pH level and temperature, and make sure the tank is cleaned monthly. Then, make sure the fish you add are properly acclimated, and watch your fish closely to be sure they are thriving.

- How do you feed fish in an aquarium?







Most fish thrive on two feedings a day, morning and night. The fish will see you approach the aquarium with the food in your hands and swim to the surface. But you need to know what to feed them. There are fish flakes, fish pellets, fish tablets, and fresh food. If you aren’t sure, pet store employees may be able to answer your questions and help ensure you have the [best fish food](https://www.thesprucepets.com/best-fish-foods-8557447) for the breeds in your tank.


## More from The Spruce Pets

[7 Most Common Danio Fish for Your Aquarium](https://www.thesprucepets.com/danio-species-1381076) [Tiger Barb Fish Species Profile](https://www.thesprucepets.com/tiger-barb-1378470) [Blood Parrot Cichlid Fish Species](https://www.thesprucepets.com/hoplarchus-psittacus-1378430) [How to Upgrade an Aquarium: Moving Fish to a New Tank](https://www.thesprucepets.com/how-do-i-upgrade-an-aquarium-1378750) [How Much and How Often Should You Feed Your Fish?](https://www.thesprucepets.com/how-often-to-feed-fish-1380923) [11 Cold Water Fish for Your Freshwater Aquarium](https://www.thesprucepets.com/what-fish-species-are-coldwater-1380965) [Find Your Missing Aquarium Fish](https://www.thesprucepets.com/missing-aquarium-fish-1381216) [The 4 Best Aquarium Plant Substrates, According to a Certified Aquatic Veterinarian](https://www.thesprucepets.com/best-aquarium-plant-substrates-1381191)

[10 Best Angelfish for Freshwater Aquariums](https://www.thesprucepets.com/angelfish-gallery-4121742) [Dwarf Gourami Fish Species Profile](https://www.thesprucepets.com/dwarf-gourami-1378310) [How to Deal With Cloudy Aquarium Water](https://www.thesprucepets.com/cloudy-aquarium-water-1378803) [Methylene Blue for Fish](https://www.thesprucepets.com/methylene-blue-1379926) [What Are Those Tiny White Worms in My Fish Tank?](https://www.thesprucepets.com/what-are-these-tiny-white-worms-1378753) [Green Hair Algae In Fish Tanks](https://www.thesprucepets.com/getting-rid-of-green-hair-algae-2924939) [Betta Fish (Siamese Fighting Fish) Fish Species Profile](https://www.thesprucepets.com/siamese-fighting-fish-bettas-1378308) [The 11 Easiest Fish to Take Care Of For New Fish Parents](https://www.thesprucepets.com/low-maintenance-freshwater-fish-4770223)

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