Happy #CtenophoreDay (10/4)! Last month, my picture of a cteno illustrated the cover of the latest paper of @annaferraioli.bsky.social & @pawelburkhardt.bsky.social lab on the Aboral Organ of Mnemiopsis. Zoom in on the centre of the image to see a white dot: the AO www.science.org/doi/10.1126/...