Throughout the play, we meet regularly with small paragraphs giving hints and tips very useful for anyone who will look after his aquariums.
The chapter on food which has the advantages and disadvantages of the most classic live prey, although short is very well done. It provides guidance on how to keep raising them see live prey and where to look.
However, I have one regret: it is a pity that the book does not indicate the possible and impossible cohabitation between the different species presented in the book. For example, it seems essential to specify that the dwarf cichlids or killies should especially not be with shrimp they would be eager to devour.