Mexico's splitfin fish were on the brink of extinction, but are now being brought back to abundance by dedicated ...

Add Yahoo as a preferred source to see more of our stories on Google. In this undated photo provided by The Chester Zoo shows two "tequila splitfin" fish in an aquarium at the Chester Zoo in Chester, ...

MEXICO CITY (AP) — There once was a small fish called “tequila splitfin” or “zoogoneticus tequila” that swam in a river in western Mexico, but disappeared in the 1990s. Scientists and residents, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. MEXICO CITY (AP) — There once was a small ...

In this undated photo provided by The Chester Zoo shows two "tequila splitfin" fish in an aquarium at the Chester Zoo in Chester, England. This fish that swam in the spring-fed waters of west-central ...

MEXICO CITY (AP) — There once was a small fish called “tequila splitfin” or “zoogoneticus tequila” that swam in a river in western Mexico, but disappeared in the 1990s. Scientists and residents, ...

There once was a small fish called "tequila splitfin" or "zoogoneticus tequila" that swam in a river in western Mexico, but disappeared in the 1990s. Scientists and residents, however, have achieved ...