The world’s biggest fish

Well, sort of. China is constructing this 15-story pufferfish along the banks of a river in Yangzhong county, Jiangsu province. 8,900 copper plates create the world's biggest metal construction in terms of volume ... and consequently the world's biggest metal fish.

The Gilleleje (Denmark) In-wall Reef Aquarium 

This is Peder's impressive 475 total gallon dining room reef tank. With the display tank's awesome dimensions of 55x48x30 inches, his custom in-wall aquarium truly recreates the illusion of a window to the tropical seas. Okay; the healthy, lush coral growth helps too.

High speed cameras record guppies jumping out of water

Carpet surfing. Just about all of us have had this happen with our fish, but almost none of us see it happen live, just the postmortem identification. Researchers at the University of Maryland used high speed cameras to record tropical guppies jumping and discovered a fascinating pre-jump behavior.

The Catlin Seaview Survey produces some ridiculously amazing reef panoramas

The Catlin Seaview Survey paved the way for the Catlin Global Reef Record, the world's largest coral reef library. Anyone with an internet connection will have open access to approximately 180,000 underwater coral reef images with another 200,000 expected by late 2014. And these images are simply jaw-dropping! We share their news announcement and several incredible panoramic photos.