Fruit Flies with Different Body Sizes (image) Instituto Gulbenkian de Ciencia Share Print E-Mail Caption Different nutritional conditions produce different body sizes. Credit Takashi Koyama (IGC). Usage Restrictions Credits must always be provided when this image is used. 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.