Dragonfly nymph
6397 Found at Shubenacabie Canal Park near the lake, June 15 2019. Quite large, over 2 cm long, heavily armoured. Halifax, Nova Scotia, Canada
Number 6397. You must be near a stream or pond, as this is a dragonfly nymph that has completed its growth and has left the water in order to find a safe place to transform into the winged adult stage.