Breeding Tropical Fish the natural way.
The way to breed fish the natural way is to pay attention to the conditions under which they live in their natural habitats.
This book covers it in a fascinating and useful detail. All of the ins and outs if the natural way of breeding aquarium fishes
Starting with an exploration of the reasons why we try to breed fishes and discussions of the technology and equipment needed, standards and procedures for maintaining water quality and the importance of keeping records