This book has been produced by Ian A. M. Fuller & Hans-Georg Evers, in an attempt to remove much of the confusion within the hobby today when it comes to the identification of these wonderful little fishes. The book is produced in A5 format, hard back and consists of 384 pages, with 463 colour images. It covers all the known species of Corydoradinae Catfish, Aspidoras, Brochis, Corydoras, Scleromystax and C-Numbers. It gives the type locality, Etymology, Size and appropriate remarks for each species.