© 2019. Published by The Company of Biologists Ltd. CB1 and CB2 receptors play differential roles in early zebrafish locomotor development Md Shah Sufian 1 , Md Ruhul Amin 1 , Richard Kanyo 1,3 , W. Ted Allison 1,3 and Declan W. Ali 1,2,3 Affiliation: 1 Departments of Biological Sciences and 2 Physiology, and the 3 Neuroscience and Mental Health Institute CW-405 Biological Sciences Building University of Alberta Edmonton, Alberta, Canada, T6G 2E9 Corresponding Author: Declan W. Ali Department of Biological Sciences CW-405, Biological Sciences Building University of Alberta Edmonton, Alberta, Canada T6G 2E9 Phone: 1.780.492.6094 Fax: 1.780.492.9234 Email: declan.ali@ualberta.ca Key Words: endocannabinoids, CB1 and CB2 receptors, AM251, AM630 Journal of Experimental Biology  Accepted manuscript http://jeb.biologists.org/lookup/doi/10.1242/jeb.206680 Access the most recent version at First posted online on 28 June 2019 as 10.1242/jeb.206680