The males have the characteristic long tip on the bottom of their tail, which resembles a sword, hence their common name. You'll find gorgeous reds, yellows, blacks, and more. These fish are popular because they are quite attractive and come in several color varieties. Walk into any aquarium shop and you're bound to find swordtails.

Typical diet: Flake food, brine shrimp, bloodworms, tubifex worms.

Preferred tank size: 20 gallons or larger.

Swordtail quick stats include the following.

Known for their long, sword-like tails, this fish species is great for beginners. Preferred plants include hygrophila, limnophila, and riccia. It's best to include a lot of plants in your aquarium to give them places to retreat. Males can be a bit aggressive towards other dwarf gouramis, and two male dwarf gouramis likely need a large aquarium with ample space to have a chance to get along.Dwarf gouramis are generally peaceful toward other species, but you must take care to avoid housing them with fish known for aggression, such as bettas.They lay eggs and will build bubble nests at the water's surface where they attach their eggs.These fish are members of the Anabantidae family, which means they can breathe through their gills and also by gulping air at the water's surface.Males will flush a deeper purple and flare their fins when they are trying to court females, putting on quite the display. Typical diet: Flaked food, species-appropriate pellets, and live foods such as bloodworms and brine shrimpДwarf gouramis are prized for their lovely coloration of an almost fluorescent blue with red stripes.Quick stats about dwarf gouramis include the following. These shy and colorful fish are quite hardy.

Tropical fish