The above article from Synapse, published online on March 7, 2021, https://doi.org/10.1002/syn.22200 in Wiley Online Library (http://onlinelibrary.wiley.com/), has been retracted by agreement between the journal Editor in Chief, Dr. Benjamin Hall, and Wiley Periodicals LLC. The retraction has been agreed due to unattributed overlap between this article and the following article, Sondereker KB, Stabio M, Renna J, Crosstalk: The diversity of melanopsin ganglion cell types has begun to challenge the canonical divide between image-forming and non-image-forming vision, 528, 12 (https://doi.org/10.1002/cne.24873) published in Journal of Comparative Neurology.