Pond Life "This inexpensive guide is one of the most useful books I've ever owned and my favorite beginners guide to pond life. I can't even say how many copies I've gone through and given away." - Rhonda Wilson
"Nature Aquarium World 2" The second Nature Aquarium World book from Takashi Amano. Mr. Amano's aquariums and photography make him the most celebrated planted aquarist in the world today.
Christel Kasselmann's "Aquarium Plants" is the most complete encylopedia of aquarium plants to date. A must have book for the aquatic plant enthusiast.
With over a million species discovered, arthropods are the most numerous of the earth's animals making up about 80% of the total. Representatives include crustaceans, insects and spiders.
Arthropods have a segmented exoskeleton and have reasonably efficient breathing systems. They also have a well developed circulatory, digestive, reproductive and nervous systems with complicated sense organs like antennae and eyes.
There are many classes of Arthropod, but three which are found abundently in water; Crustacea, Insecta, and Arachnida.