Humped Conch (IMAGE) North Carolina State University Caption Researchers found that the average size of the humped conch increased in conjunction with a growing human population. Credit Dr. Scott Fitzpatrick, North Carolina State University Usage Restrictions Photo credit must be given. 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.