It’s a pretty, highly sought-after color variation of the well-known Swordtails species – Xiphophorus helleri. The Marigold Swordtail is a perfect starter fish for those looking for something a little more unique. They can even be kept in nano tanks as small as 10 gallons. Not to mention, they’re very easy to care for and make great beginner fish. These little guys only grow to be about 2.2 inches (5.5cm) long, making them the perfect size for small tanks. Like betta fish, honey gouramis are bubble nests builders and have a special labyrinth organ that allows them to breathe surface air.

Males are usually more brightly colored than females, especially when they are ready to breed. They take on brightly colored yellow and orange tones all over their body. The gold honey gourami, also known as honey dwarf gourami, is similar to a betta fish but not as aggressive and can easy to get along with a wide range of tank mates. This species is an absolutely beautiful centerpiece fish for small tanks. We’re starting off our list of striking yellow fish with the favored peaceful Gold Honey Gourami. Trust us, no matter what your setup is, you’re sure to find the perfect yellow fish for your freshwater aquarium. That’s why we’ve put together this list of our favorite yellow freshwater fish for your tank. With so many different types of yellow tropical fish to choose from, it can be a little tricky to decide which one is right for you. So if you’re in the market for a new addition to brighten up your underwater world, why not check out some of these beautiful creatures? From small and slender killifish to brightly-colored cichlids, there’s definitely something for everyone when it comes to yellow aquarium fish. Yep, it turns out that many different species of yellow tropical fish can be found in aquariums in the world. Do you have a thing for yellow fish? No, not Charlie Sheen – we’re talking about tropical fish.

Long flat fish tank