Transgender fish found in British Rivers loading...
Transgender fish found in British Rivers
From flushing harsh chemicals down the toilet.
Watch This Venomous Fish Camouflage Into Its Surroundings loading...
Watch This Venomous Fish Camouflage Into Its Surroundings
A diver captured video of this little-understood species expertly blending into the ocean floor.
See an Underground Mammal Found Inside a Fish loading...
See an Underground Mammal Found Inside a Fish
A Missouri fisherman had quite a surprise when he hauled up a largemouth bass from his pond.
Bats, Jellyfish, and Other Animals With Daily Commutes loading...
Bats, Jellyfish, and Other Animals With Daily Commutes
We humans aren't the only ones in the rat race.
Two-Headed Porpoise Found For First Time loading...
Two-Headed Porpoise Found For First Time
Fished from a trawl net, Dutch fisherman stumbled upon the extremely rare catch in the North Sea.
Cuttlefish Pretend to be Crabs to Catch More Fish loading...
Cuttlefish Pretend to be Crabs to Catch More Fish
The surprising behaviour has scientists asking new questions.
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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