The Sumatran barb (Puntigrus tetrazona) is a true legend of freshwater aquaristics, a fish with incredible energy and a recognizable “tiger” coloration. Despite its reputation as a bully and a hooligan, this representative of the carp family has remained one of the most desired inhabitants of home aquariums for decades. Its popularity is due not only to its bright appearance but also to its incredibly dynamic behavior: observing a school of Sumatran barbs, constantly engaged in their hierarchical games and rapid swims, can captivate even the most seasoned aquarist. However, for this “hooligan” to feel comfortable and not turn the lives of its tank mates into a nightmare, the owner needs to know the intricacies of its care and the psychology of schooling behavior.
aquarium fish
Copper Tetra (Hasemania nana): Care, Maintenance, and Breeding of a Bright School
The Copper Tetra, also known as Hasemania (Hasemania nana), rightfully holds a place among the most popular and beloved freshwater inhabitants. This small, yet incredibly bright and active fish can liven up any planted aquarium. A distinctive feature of the Hasemania is its rich, iridescent copper-orange or reddish coloration, which becomes particularly intense under proper care and in soft, slightly acidic water conditions. Thanks to its peaceful nature and relatively easy adaptation, the Copper Tetra is suitable for both experienced aquarists looking to create a stylish biotope and beginners mastering the basics of keeping schooling species.