Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

A new study has found that the Mekong River’s largest freshwater fish are shrinking in size, with critically endangered species like the giant catfish and giant barb now averaging less than half their ...

If you liked this story, share it with other people. I have spent much of my life studying predatory fishes in East Africa’s coastal waters, but never have I been more concerned about their future.

Hidden in Bolivia’s seasonal wetlands, a small fish that scientists had written off as extinct for more than two decades has ...