Squid Light Organ with Fluorescently Labeled Bacteria (image) Penn State Share Print E-Mail Caption Light organ of the Hawaiian bobtail squid with crypt spaces colonized by populations of fluorescently labeled Vibrio fischeri. Dotted lines outline individual crypt spaces. Credit Kirsten R. Guckes Usage Restrictions None 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.