Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some ...
In a single day, you can encounter darting fish in an Indo-Pacific reef; explore the colorful sights and sounds of a sunny, tropical rain forest; and come nose to nose with several species of sharks.
A scientific expedition to Peru has yielded a treasure trove of 27 new species, including an amphibious mouse, a "blob-headed" fish, and other zoological oddities. Ronald Diaz/Conservation ...