Choosing new fish can be exciting but it can feel challenging because there are countless options, especially when looking for a rare yellow fish.
To help make your search for the right fish easier, we have compiled a list of the most popular small yellow fish that would make a great addition to your aquarium.
Yellow Guppies (Poecilia Reticulata) - 1.2 to 2.4 inches
Guppies are one of the most popular yellow fish for aquariums. They are peaceful, easy to care for, and very active which makes them fun to watch. They are also great breeding fish if you want to add more yellow fish to your aquarium.
Feed your guppies once or twice a day to ensure their health - and avoid overfeeding! All food should be consumed within minutes to prevent waste.
Gold (Chinese) Barb (Puntius semifasciolatus) - 3 to 4 inches
The selectively-bred variant is quite popular in the trade, giving it the name "gold barb." It's an attractive choice for a community tank because of its peaceful nature. However, you won't find this man-made fish in the wild. Gold barbs are schooling fish and do best when kept in groups of six or more.
It's best to add floating plants and driftwood to an aquarium to create a more natural feel while diffusing the light entering the tank.
Gold Dust Molly (Poecilia sphenops) - 3 to 4 inches
Similar to gold barbs, gold dust mollies are also a man-made fish that is not found in the wild. This variant is the smallest of the three species, and is a very popular choice for beginners.
These fish are mainly herbivorous, but will feed on proteins occasionally. In the wild they stick to a diet of algae, rotifers and small crustaceans. If you're keeping them in captivity then you can feed them dried foods with a vegetable base, blanched spinach or cucumber. And every once in a while give them some brine shrimp or bloodworms as a treat
Yellow/Gold Platys (Xiphophorus maculatus) - 2 to 3 inches
Popular among fishkeepers, platies are a type of freshwater livebearer native to Mexico and Central America. Two platyfish species most commonly found in fish stores are Xiphophorus maculatus and Xiphophorus variatus.
They are colorful, hardy fish, and easy to breed. What makes yellow platies especially popular is their yellow coloration which is often very vibrant with live plants. They are peaceful fish that do best in groups of 3 or more.
Looking for more yellow schooling fish, check out this list: https://aquariumfishcity.com/yellow-fish/
Honey Gourami (Trichogaster chuna) - 2 to 3 inches
Honey Gourami (aka Sunset) is my personal favorite yellow fish. It's a beautiful little freshwater fish that is very peaceful and easy to care for. They are great for nano tanks or any size aquarium really.
Honey gouramis are not fussy eaters and will accept most foods, but their diet should consist of high-quality flakes, pellets, and live/frozen foods. These active community fish can get along with various tank mates.
Yellow Betta Fish - 2 to 3 inches
Looking for a beautiful yellow centerpiece fish? Then consider a yellow betta fish. Bettas are relatively easy to care for and make great beginner fish. They are also very unique looking with their long fins and beautiful colors.
One thing to keep in mind though is that bettas are solitary fish and do not do well with other fish. They are also known to be aggressive, so it's best to keep them in a tank by themselves.
Golden Dwarf Corydoras (Corydoras aeneus) - 1.5 to 2 inches
The Dwarf Corydoras is among the most well-known bottom-dwellers in the freshwater aquarium hobby. They are peaceful, hardy, and easy to care for which makes them a great choice for beginner fishkeepers.
The golden variant is a selectively-bred fish that comes with a high price tag. They are a very popular choice for nano tanks and community tanks because they are great cleaners. These active little fish are fun to watch and make great tank mates for other peaceful fish.
Closing Thoughts
Hopefully this list of small yellow fish has helped you decide which fish is right for your aquarium. Remember to do your research before adding any fish to your tank. And always quarantine new fish before adding them to your existing community.
Which yellow fish is your favorite? Let me know in the comments below.
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