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sera guide - How to set up an aquarium according to nature

5 It is almost impossible to get an overview about the ornamental fish in your retailer’s store, at least for beginners. Fish of all colors, shapes and sizes live in retail aquariums. Many beautiful fish are easy to keep also by inexperienced aquarists, other species are suitable only for specialists. Just like in real life, also in aquatic environ- ments every fish species has its special characteristics and requirements that do not comply with all co-inhabitants. There­ fore it is important also to consider territorial behavior, calmness requirements, sleeping and eating habits of the different species, and to keep species that harmonize well among each other. Livebearing toothcarps There are many colorful platy breeding morphs. The breeding morphs of male guppies have splen­ did dorsal and caudal fins. Swordtails are especially rapid, active swimmers. fascinate both beginners and experienced aquarists. They are continuously active and very peaceful. The colorful fish mainly dwell in the upper third of the aquarium. Most ornamental fish live in shoals in na­ture and should be kept in groups of 6 – 8 specimens also in an aquarium. The fish will also be more attractive optically this way. An important tip Community aquarium

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