Schematic (IMAGE) RIKEN Caption This is a schematic showing the newly discovered olfactory mechanism through which zebrafish can sniff out ATP as they search for food. Credit RIKEN Usage Restrictions credit RIKEN License Licensed content 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.