The Conversation What do the ginkgo (a tree), the nautilus (a mollusc) and the coelacanth (a fish) all have in common? They don’t look alike, and they aren’t biologically related, but part of their ...
Every day, local fishermen visit Ernesto Rojas to sell him small, colorful fish plucked from rivers in the Colombian jungle that end up in aquariums around the world.