Livestock

Aquarium Arts
Offers fresh and salt water livestock, corals, invertebrates, live rock, and supplies.
http://www.aquariumarts.com/

Aquatic Indonesia
Offers plants, invertebrates, freshwater and saltwater fish.
http://www.aquatic.co.id/

Livestock USA
Specializes in uncured live rock and corals for marine aquariums. Includes shipping details, articles, recommended reading, and environmental news.
http://www.livestockusa.org/

Shark Aquarium
Offers fresh and salt water livestock.
http://www.sharkaquarium.com/

Swallow Aquatics
Provides corals, plants and invertebrates for both salt and fresh water tanks.
http://www.swallowaquatics.co.uk