A nest of empty snail shells with the giant territorial nest owner (right), a female just entering a shell (middle) and a parasitic dwarf male (left). The striped fish in the foreground are egg predators. (IMAGE)

University of Bern

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.