Following your aquarium fish back to its home in the Amazon

NPR | By Jeff Guo

Published July 17, 2026 at 4:42 PM EDT

We trace the origins of the popular aquarium fish the cardinal tetra back to the Amazon to see how even the most remote corners of the world are transformed by the global economy.

Jeff Guo

Jeff Guo (he/him) is a co-host and reporter for Planet Money, NPR's award-winning podcast that finds creative, entertaining ways to make sense of the complicated forces that move our economy. He joined the team in 2022.

WRVO is at a critical moment.

Recent cuts to federal funding are challenging our mission to serve central and upstate New York with trusted journalism, vital local coverage, and the diverse programming that informs and connects our communities. This is the moment to join our community of supporters and help keep journalists on the ground, asking hard questions that matter to our region.

Stand with public media and make your gift today—not just for yourself, but for all who depend on WRVO as a trusted resource and civic cornerstone in central and upstate New York.

Support WRVO now