Freshwater Aquarium
Chapter One
About
Freshwater
Fish
You are reading this book because of your interest in owning and maintaining
an aquarium. So you are likely a fish enthusiast, like me. The
world of fish is both fascinating and complex. This book will help you to understand
this watery world and teach you what you need to know to successfully set
up and maintain a freshwater aquarium.
Of course, before you get started you should have a general knowledge of
fish, their anatomy and biology, as well as a thorough understanding of their
proper care and husbandry. First, let's take a look at fish anatomy and what
makes these animals unique. Then we'll examine the aquarium and the importance
of meeting the biological needs of fish.
Fish Evolution
The group of aquatic animals that we call fish has evolved over 400 million years
to be the most numerous and diverse of the major vertebrate groups (animals
with backbones). Fishes have permeated all the waters of the world, adapting
with an incredible variety of forms, lifestyles, and behaviors. From seasonal
freshwater streams, desert springs, and salty bays to coral reefs and the deep
abyss, different species of fish have found and created niches for themselv ... read full excerpt from Freshwater Aquarium: Your Happy Healthy Pet ebook
