17 Best Freshwater Aquarium Fish – Most Popular Listed 2020 Neon Tetra. Neon Tetras are a small, easy to care for species. Guppies. This colorful and lively fish is able to adapt to a variety of water conditions which is one of the reasons they are so popular. Oscar. Mollies. Zebra Danios. Platies. Cherry Barb. Pearl Gourami. Swordtails. Discus.

The Zebra Danio is one of the best freshwater fish for beginners as it’s stunningly exotic looking but with minimal care requirements. They’re super hardy, love swimming and can adapt to a wide range of different water environments.

Another type of fish also known as the Siamese Fighting fish is also a cheap pet to keep. They are cheaper than the tropical fish yet more colourful than the goldfish, and they do not need special tanks or large aquariums.

Course they can breed. They are the same fish, different colors. Petsmart wont buy anything from you. They are a chain. ONly home owned lfs will buy fish from you.

However, if you’re an aspiring owner of fish with an aquarium, you can indeed buy fish online and have them delivered. Here are 19 of the best online fish stores. 1. The Wet Spot Tropical Fish: While The Wet Spot’s physical location is in Portland, Oregon, there reach extends around the world.

Freshwater Fish Compatibility Charts. Whether you’re thinking of adding a fish to an existing freshwater aquarium or planning for a completely new freshwater aquarium, there are plenty of aquatic life options to choose from: colorful Discus, gentle Swordtails, Koi, Angelfish, Eels, Barbs, Sharks and so many more.

Bettas . The colorful betta is one of the most unique and cool freshwater aquarium fish. Bettas, also called Siamese fighting fish, are one of the most popular exotic aquarium fish. With their large showy fins and beautiful colors, they also have to be some of the coolest fish in your tank.