About this application Decorative fish pocket book is made to make it easier for new hobbyists who want to keep ornamental fish. This application contains a brief guide about ornamental fish data, ornamental fish habits and their food. To make it easier for hobbyists to determine which fish you want to keep according to the aquarium or container that suits your hobby's conditions. Because there are so many types of fish with unique characters in each individual fish and fish species, therefore this application is made to help make a picture of what fish you want to keep