Which freshwater fish tanks are best? Having a fish tank is a great way to bring some light and energy into your space, but fishkeeping may seem like a daunting task to some. As any seasoned aquarist ...

Scraping muck and slime from the side of a tank, and continually cloudy water, annoys many fish owners. But now a young designer has created a fish tank that she claims never needs cleaning, the water ...

Keeping your fish tank clean is one of the most important things you can do for the health and happiness of your aquatic pets. A clean tank supports a stable environment, prevents waste buildup, and ...

Brown algae is a common problem in many fish tanks, especially those that have been recently set up. It’s not dangerous to fish but can turn your beautiful aquarium into an ugly mess. This slimy layer ...

Fish tanks are generally fairly similar to one another, but this one stands out because it reportedly requires no cleaning. This is thanks to aquaponics – a symbiotic setup involving fish and plants – ...

My goldfish hates when people tap on his tank. The tapping sound he hears in the water is loud and scary. I talked with my friend Rikeem Sholes about how fish hear. He’s a fish scientist who studies ...