Alopias superciliosus (Bigeye Thresher) is a species of modern sharks in the family thresher sharks. They are listed as vulnerable by IUCN. Individuals are known to live for 21 years.
Definition: A taxon is Vulnerable when the best available evidence indicates that it meets any of the criteria A to E for Vulnerable, and it is therefore considered to be facing a high risk of extinction in the wild.