An incredibly rare blind fish that lives underground in Brazil has been rediscovered by scientists. A number of individual fish have been found almost 50 years after the only known specimen was collected and then described by American experts.
The BBC reports on an interesting rediscovery of a blind characin (only distantly related to the piranha). The blind cave fish of Mexico is another example of a cave-dwelling characin that has lost the ability to see.
Read more here – BBC