Cardinal tetras are famous for their glowing blue and bright red stripes that run across their bodies. People often mix them up with neon tetras, but cardinal tetras have a bright red line that goes ...

Convincing a predator to attack you might seem like a bad idea, but Trinidadian guppies have a whole bag of evolutionary ...

Neil Sims has a vision. He imagines thousands of red drum fish swimming in the open Gulf, the Florida sun glinting off coppery scales. These red drum are farmed, not wild. They circle inside a ...