Zebrafish (image) Champalimaud Centre for the Unknown Share Print E-Mail Caption This is a Zebrafish with a tumor from a cancer patient (in red). Credit Rita Fior/CCU Usage Restrictions Attribute authorship. 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.