Venomous Shark Spine (IMAGE) University of Kansas Caption This is a close up of the venomous dorsal-fin spine in a lanternshark (Etmopterus). Credit W. Leo Smith and Jennifer H. Stern 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.