Killifish Gabitat and Age (image) Cell Press Share Print E-Mail Caption This figure shows the studied habitat and corresponding fish at the age of 1, 2, and 3 weeks after its filling with water. Credit M. Vrtílek, J. ?ák, M. Reichard Usage Restrictions Credit Required Share Print E-Mail 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.