Canna~Fangled Abstracts Acute administration of a cannabinoid CB1 receptor antagonist impairs stress-induced antinociception in fish. 2015 Feb 2. pii: S0031-9384(15)00066-9. doi: 10.1016/j.physbeh.2015.01.038. Wolkers CP1, Barbosa A Junior2, Menescal-de-Oliveira L2, Hoffmann A2. Author information…Freedom WaresFebruary 7, 2015