Notothenioid Fishes of the Antarctic (IMAGE) North Carolina Museum of Natural Sciences Caption Some of the over 100 species of notothenioid fishes in the Antarctic. Researchers have found that these fishes mirror the genetics of human bone disease states to float at different levels in the water column. Credit T. Near Usage Restrictions None 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.