Pascal Kobeh / Reef covered with two red Stomphia sea anemones (Stomphia coccinea), with Plumose anemones (Metridium senile), Red soft corals (Eunephthya / Gersemia rubiformis) and Green sea urchins (Strongylocentro...

Pascal Kobeh / Atlantic / Common rock crab (Cancer irroratus) on the reef in the middle of green sea urchins (Strongylocentrotus droebachiensis) Gulf of Saint Lawrence, Canada

SCOTLAND: The Big Picture / Horse mussel bed (Modiolus modiolus) with Brittle stars (Ophiothrix fragilis),Edible crab (Cancer pagurus) and Northern sea urchin (Strongylocentrotus droebachiensis) Sheltand Islands, Scotland, UK, S...

Terry Whittaker / Tracking shot of Arctic fox (Vulpes lagopus) male walking along rocky beach with Green sea urchin (Strongylocentrotus droebachiensis) in mouth, Hornstrandir Nature Reserve, Iceland. February.

David Hall / American lobster (Homarus americanus) with one larger claw, modified for crushing mollusk shells, while the other is designed for tearing or cutting softer prey, surrounded by Green urchins (Strongylo...