News Animals

Migratory fish species are in drastic decline, a new UN report details

A global tally of how migrating animals are faring includes over 1,000 land and aquatic species

Five white and black rays are pictured swimming under sunrays filtering through the ocean's surface.

Endangered Chilean devil rays, like the ones shown here, are one of over 50 fish species covered under an international treaty aimed at protecting migratory animals.

Gerard Soury/the image bank/getty images

By Helen Bradshaw

Migratory species don’t travel with a passport, but they cross borders all the time. This makes the animals’ conservation a uniquely challenging, international effort.