Dwarf pencilfish (Nannostomus marginatus) is a freshwater aquarium fish, one of the smallest representatives of the Lebiasinidae family, Characiformes unit. Due to breeding challenges and the small number of eggs they lay, dwarf pencilfish can’t be considered popular tank fish. Nowadays, they are seldom encountered in aquariums, even though they are perfect for keeping in nano aquariums which are currently gaining popularity.
Uaru cichlid (Uaru amphiacanthoides) is a freshwater fish genus of the Cichlidae family. This is a large aquarium fish that eats plant food. Further in the article, you’ll find out how to keep uaru fish, feed it, select tank mates, and breed it.
The pearl gourami (lat. Trichopodus leerii) is a popular aquarium fish of the Osphronemidae family. This is one of the most beautiful gourami kinds. It is rather demanding to tank conditions. Reading further, you’ll find out what water parameters the fish fancies, how to feed it, how to select its tank mates, and to breed it.
Badis badis (also known as the blue perch or blue badis) is the most famous Badis genus and Badidae family representative. This is a good-looking dark-blue fish that has been popular among aquarists for several dozens of years already. This calm, not demanding in terms of keeping fish, can be interesting not only for experts but for beginning aquarists as well.