Guide | Environment.org

A complete guide to animals and the animal kingdom, plus links to essential animal information on Active Wild.

Animal Pages on Active Wild

Click on the images and links below to explore different aspects of the animal kingdom.

Animals (This Page)

A complete guide to animals and the animal kingdom. Find out: what makes an animal an animal; how animals are classified; invertebrates vs vertebrates, and the major types of animals.

Animals: A Complete Guide

Animal Classification

Discover how zoologists classify animals into groups such as classes, orders, and families.

Animal Classification

Animals Around The World

Discover amazing animals from all around the world:

Animal Habitats

Animals have evolved to live in a wide variety of habitats. On the pages below, you

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Fish: The Ultimate Guide To Fishes & Fish Life

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| Wildlife

The ultimate guide to fishes & fish life, including definition of a fish, fish bodies, types of fish and the life-cycle of a fish. Read on for a complete guide to ichthyology…

Index

What Is A Fish?

Fish Ecology

What Are The Main Types Of Fish?

How Many Fish Species Are There?

What Is The Biggest Fish?

What Is The World’s Smallest Fish?

Parts Of A Fish

Do Fish Have Ears?

Do Fish Make Sounds?

How Do Fish Breathe?

Are Fish Cold Blooded?