Fish

With over 32,000 described fish species, the varieties are endless. Most bony fishes are cold-blooded, covered in scales and breathe using gills—but there are exceptions to all of these rules.  

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Can painted wooden fish.

Chinook Salmon: One Species at a Time

Can painted wooden fish on a schoolyard fence change human behavior and help clean up the ocean for the real salmon? Stream of Dreams in British Columbia thinks so, and a lot of wooden fish and some 100,000...
A red deep-sea fish specimen.

Meet the Suspects

More than a century ago, in 1895, two Smithsonian scientists described a new kind of deep sea...

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Chasing a Basking Shark

"Ocean sunfish" by Mark Harris Credit: Mark Harris It was a hot and sunny day, with barely a whiff of breeze. I boarded a boat in Oban, on the coast...
X-ray image of a winghead shark

DIVE DEEPER

X-Rays of Fish Reveal Diversity

Scientists in the Division of Fishes at the Smithsonian's National Museum of Natural History use X-ray imaging to study the...
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