An aeolid nudibranch crawls across a rock surface on a reef in California and looks straight into the camera.

An aeolid nudibranch crawls across a rock surface on a reef in California and looks straight into the camera.

Joe Belanger / Alamy Stock Photo

Image ID: C2CPGH

An aeolid nudibranch crawls across a rock surface on a reef in California and looks straight into the camera. Nudibranchs have stinging cells similar to a jellyfish so when other animals try to eat them they get zapped.

Location: San Miguel Island, Channel Islands California USA