Dinoflagellates and Choanoeca flexa (video) Howard Hughes Medical Institute Share Print E-Mail Loading video... Caption In this video, life abounds in freshly collected water from a pool fed by ocean spray in Curaçao. Smaller, oval-shaped dinoflagellates zip about as colonies of C. flexa choanoflagellates curl into balls, then revert into cups. Credit T. Brunet, B. T. Larson, T. A. Linden et al./Science 2019 Usage Restrictions Must use 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.