BERLIN—A huge aquarium in Berlin burst, spilling debris, water, and hundreds of tropical fish out of the AquaDom tourist attraction in the heart of the German capital early Friday. Police said parts of the building, which also contains a hotel, cafes, and a chocolate store, were damaged as 1 million liters (264,000 gallons) of water…

Have you decided to set up an aquarium at home, but you’re not quite sure what to do? If you’ve never kept fish before, you’re going to have to do some research before getting started. Even if you have past experience with keeping fish, it’s always a good idea to brush up your knowledge. There…

SAN FRANCISCO—Meet Methuselah, the fish that likes to eat fresh figs, get belly rubs and is believed to be the oldest living aquarium fish in the world. In the Bible, Methuselah was Noah’s grandfather and was said to have lived to be 969 years old. Methuselah the fish is not quite that ancient, but biologists…

CLEARWATER, Fla.—The prosthetic-tailed dolphin that starred in the “Dolphin Tale” movies may be fighting a gastrointestinal infection, officials said. The Clearwater Marine Aquarium said in a news release on Sunday that staff members noticed on Nov. 1 that Winter was not eating and was acting abnormally. Initial bloodwork showed the possible infection. The aquarium’s care…

The Seacoast Science Center in New Hampshire acquired an ultra-rare blue-and-orange lobster believed to be a 1-in-50-million specimen. Just weeks ago, it was put on display in its new tank for slack-jawed visitors to wow over. The crustacean’s strange coloration likely results from a genetic mutation at a very early stage in its development when…

Decked out in snorkel equipment and wetsuit—getting into and out of which was admittedly the most challenging aspect of the whole experience–I entered the 200,000-gallon coral reef tank. It was filled with large and small residents—more than 50 species of fish, sharks, and eels—into whose life I was about to intrude at the Aquarium Encounters…