To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Negative phototaxis of C. robusta larvae. Movie shows an elapsed time of 11.8 hours captured at one frame per 10 minutes. Directional light is from the right. Photoreceptor specialization and the visuomotor repertoire of the primitive chordate Ciona Priscilla Salas, Vall Vinaithirthan, Erin Newman-Smith, Matthew J. Kourakis, and William C. Smith Journal of Experimental Biology 2018. 221:None-None; doi: 10.1242/jeb.177972 Download Original Video