Tentacle Close-up (image) Field Museum Share Print E-Mail Caption A close-up of the tentacles of a male Ancistrus patronus. The male's tentacles look like the eggs that the male cares for. Credit Photo by Jonathan W. Armbruster. Usage Restrictions Please include credit. Share Print E-Mail 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.