Reefs go quiet as they die off

We don't normally associate noise with underwater ecosystems because water muffles sound transmission, but coral reefs are amongst the noisiest places on earth because they are amongst the most populated places on earth. When a reef is in decline, scientists can actually hear the die off.

Extreme PE Fetish

Polyp extension is alluring for reefkeepers. There's nothing quite like the sight of a fully extended coral swaying in the current. We can wax philosophical about the reasons why we're so enamored by PE, or we can simply enjoy polyps blooming in all their glory. Two recent videos provide plenty of eye candy.

Two hours of aquarium relaxation

It's Thanksgiving in the USA so many readers have the day off to spend with family and friends. Do you need relaxing HD content to put on your TV to entertain guests and mellow the holiday bustle? Here's a two hour long video of the famous whale shark exhibit at Okinawa Churaumi Aquarium, Japan.