Back to nature guide to freshwater nano aquariar authors kjell fohrman jose kienjet ralph toningr publishing year 2010r number of pages 160r format 170 x 240mmr number of colour photos more than 490r chapters the history of the nano aquarium the aquarium the water equipment and decor maintenance quick start guide r examples of nano aquaria shrimp sectionshrimps in your aquarium what are shrimps how many shrimps several species together acclimatisation nutrition the moult