Malawi fish CT scans (IMAGE) Penn State Caption High-resolution CT scans and photographs of herbivorous cichlids, with key characters emphasized by arrows, such as strong jaws, small close-set teeth, straight-line mouth, deeply set teeth, comb-like triple crown teeth and widely spaced conical teeth. Credit Jay Stauffer Jr., Penn State Usage Restrictions non commercial use only 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.