For many years, when thinking about ornamental fish, I wonder how this paradise of species has not been better recognised and appreciated. This Argentine delta is a unique place, unlike any other similar habitat in the world. It is a beautiful wetland, a magical place with lagoons, jungle, grasslands and floating islands that form in the space of just a few years and are constantly mutating to give birth to new biotopes for different species – this place is so very rich in biodiversity. Firstly, to appreciate the size of this Eden of ornamental fish it is instrumental to know …