It sounds like the plot of a horror movie; a strange-looking kind of fish is kept in saltwater tanks in Florida until a hurricane smashes the tanks and washes the fish into the sea where they begin breeding like mad and eating other fish. Its poisonous spines injure, even occasionally kill humans. Before too long, [...]

Delightfully bright colors, exotic designs, delicate and graceful moves — aquarium tropical fish are indeed popular among true fans of natural beauty. Ancient Egyptians and Chinese already knew how stress-removing those amazing fish could be and kept them for entertainment. While in those early days tropical fish-keeping was a luxury hobby for the rich, nowadays [...]