America's freshwater rivers and lakes are losing their secret weapon: freshwater mussels. As an invaluable part of nature’s ...

Despite having ‘fish’ in their name, Freshwater Crayfish are a type ... Hermit Crabs will help you stay on top of growing algae levels in your tank. While their constant shuffling and crawling ...

Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater ... algae from rocks, especially filamentous and green-haired algae. These mottled ...