7 Amazing Animal Organs People Don't Have loading...
7 Amazing Animal Organs People Don't Have
Under-eye "flashlights," venom glands, claspers. Nature abounds with body parts that aren't found in humans.
Ruby Seadragon Caught on Video for First Time in Western Australia loading...
Ruby Seadragon Caught on Video for First Time in Western Australia
The scarlet fish was declared a new species in 2015—but before this footage, it had never been seen alive.
14 Not-Fake Shark Pictures From a Real Nat Geo Photographer loading...
14 Not-Fake Shark Pictures From a Real Nat Geo Photographer
A phony photograph of a shark is the latest in a year of fake news. But these images are all real.
New Giant, Air-Breathing Fish Discovered loading...
New Giant, Air-Breathing Fish Discovered
Several other species of arapaimas are likely lurking in the Amazon, waiting to be identified.
800-Pound Groupers Making a Comeback—But Not Everyone's Happy loading...
800-Pound Groupers Making a Comeback—But Not Everyone's Happy
Some Florida fishermen say Atlantic goliath groupers are eating too many fish, but scientists argue the behemoths still need our protection.
Tracking the Secret Lives of Ocean Predators loading...
Tracking the Secret Lives of Ocean Predators
Cutting-edge technology used by marine biologist Barbara Block is leading to more knowledge about sharks and bluefin tuna.
About the Show
Extreme fish tanks have become the ultimate status symbol and the people who are on the cutting edge are in high demand. Seamlessly blending nature, high fashion and aquatic engineering, these teams of fish tank builders prove time and again that if you can dream it, they can build it. It takes unparalleled skill, creativity and teamwork to pull off the most extreme of these tanks and the building process is nowhere as serene as the final product.

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