They can get along with Congo Tetras, Neon Tetras, and Cardinal Tetras. flowerhorn (cichlid hybrid) by Lerdsuwa (CC BY-SA 3.0). Swordtails are easy to care for and can live up to 5 years with proper care. Check the pH of both the tank water and that in the bag. Browse our latest freshwater fish profiles below. Discus are generally carnivorous, feeding on freeze-dried bloodworms and tubifex, discus pellets, frozen meaty foods, and high-quality flakes. These peaceful carnivores can be kept in a community of other large fish, but they do best in a same-species setup where they can pair naturally. Adding salt as a buffering agent is recommended to increase the hardiness of the water.eval(ez_write_tag([[300,250],'aquamovement_com-large-mobile-banner-2','ezslot_11',111,'0','0'])); They can be kept with Haplochromis and Mbuna. They need to live in a large tank with plenty of swimming space. Bettas are labyrinth fish, and they also construct bubble nests. The female should be removed from the tank while the male keeps the eggs in his mouth and moves them to the nest.eval(ez_write_tag([[300,250],'aquamovement_com-box-4','ezslot_5',106,'0','0'])); After the eggs hatch, the fry stays in the nest for a few more days. It is better known as Anchor Cat because it resembles an anchor if you watch it from above, due to its long pectoral fin spines that it uses to cling on driftwood pieces.. Because these are big fish that eat lots of food, they will produce lots of water material. Native to Northern Venezuela, the Endler’s Livebearer is a hardy fish that prefers warm hardy waters. The Endler’s Livebearer fish prefer to have enough swimming space with excellent lighting and heavy vegetation of Java moss, Java fern or duckweed. Interestingly, although these are freshwater fish, they can acclimate to a brackish or even a saltwater tank. The Nitrogen Cycle, as it’s called, can take up to six weeks to kick in properly, and is absolutely crucial for a safe, healthy tank. Once your tank is set up, you need to keep it clean and well-maintained. These are carnivorous fish in nature, and must be fed a meaty diet that includes live foods, as well as frozen items. The Peacock Gudgeon is omnivorous, enjoying a diet of flake food, frozen and freeze-dried meaty protein foods, including brine shrimp and bloodworms. You can read more about the Nitrogen Cycle in our detailed guide. The beautiful Pearl Gourami is a cool fish that gives you plenty of bang for your buck in terms of looks while also being super-easy to keep. The biological part of the filter system contains certain species of beneficial bacteria that process the harmful substances that are released during the decomposition of fish waste, uneaten food, decaying plant matter, and general detritus. These fish are suitable for beginners as well as experienced aquarists and prefer hard water. These fish are messy eaters, so regular cleaning of the tank is recommended. You’re going to want some purple in your tank–and the coolest way to put purple in your tank is to get the #2 coolest saltwater fish for beginners–the orchid dottyback, pseudochromis fridmani. Freshwater Aquarium Fish are a popular choice for parents looking for a new pet for their children mostly becuase of the fact they appear to be relatively easy to care for, their breathtaking patterns and a wide selection of species while the former choose them for their resilience and adaptability when compared to their saltwater counterparts. The male fish is usually 3 cm long and the females are twice as big. These helpful fish are peaceful creatures that make an excellent addition to a community setup. Freshwater fish spend their entire life in fresh water like lakes and rivers where the salinity level is less than 0.04%.