Did you know Surinam toad eggs are embedded into the skin on their mom’s back or that green tree python moms coil themselves around a clutch of eggs during incubation but leave their newborns to fend for themselves once they’ve hatched? Learn more fascinating facts about animal parents when you “shell-abrate” fin-tastic moms.

Greater Cleveland Aquarium’s Mother’s Day Weekend features a parenting-themed contest and extended hours (9am – 6pm; last entry at 5pm). Visiting moms also receive a parent pin when they arrive.