ALBUQUERQUE, N.M. — The survival of the endangered Rio Grande silvery minnow is a big deal, and the city's BioPark Aquatic Conservation Facility has played a critical role toward that end.

Researchers discover a rare minnow species, Phoxinus ayukensis, isolated in the Ayuk stream of Russia’s Northwestern Caucasus, calling for conservation efforts.

Researchers discover a rare minnow species, Phoxinus ayukensis, isolated in the Ayuk stream of Russia’s Northwestern Caucasus, calling for conservation efforts.

Researchers discover a rare minnow species, Phoxinus ayukensis, isolated in the Ayuk stream of Russia’s Northwestern Caucasus, calling for conservation efforts.