app will help you konw about crayfish.
know the different types of Crayfish. How to mating color crayfish (destructor,crayfish-ghost) Diseases and Parasites and How to fix them.
Techniques for raising crayfish in various forms. With the oxygen, In the cupboard, Whirlpool,To feed without oxygen Farming.
How to classify the sex of crayfish. Feeding Technique Disease of Crayfish and Solution