Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius) on ocean bottom, Tilt Cove, Newfoundland and Labrador, Canada

Scott Leslie / Green Sea Urchin (Strongylocentrotus droebachiensis) barren, having eaten all the kelp with Shorthorn Sculpin (Myoxocephalus scorpius), Nova Scotia, Canada

Scott Leslie / Shorthorn Sculpin (Myoxocephalus scorpius) resting on ocean floor, Nova Scotia, Canada