Norbert Wu / Purple-ring Top Snail (Calliostoma annulatum) attacking Strawberry Anemone (Corynactis californica), California

Norbert Wu / Giant Nudibranch (Dendronotus iris) attacking Tube-dwelling Anemone (Pachycerianthus fimbriatus) eating tentacles, Monterey, California, sequence 3 of 3

Norbert Wu / Giant Nudibranch (Dendronotus iris) attacking Tube-dwelling Anemone (Pachycerianthus fimbriatus) eating tentacles, Monterey, California, sequence 2 of 3

Norbert Wu / Giant Nudibranch (Dendronotus iris) attacking Tube-dwelling Anemone (Pachycerianthus fimbriatus) eating tentacles, Monterey, California, sequence 1 of 3

Norbert Wu / White Sea Urchin (Lytechinus anamesus) group attack and feed on a larger Red Sea Urchin (Strongylocentrotus franciscanus), southern California

Mark Moffett / Tarantula Hawk (Pepsis sp) a giant wasp, confronts Tarantula in a sequence where the spider is paralyzed and parasitized by wasp's eggs, Riverside, California

Flip Nicklin / False Killer Whale (Pseudorca crassidens) feeding on Mahi Mahi (Coryphaena hippurus), Hawaii

Norbert Wu / Sea Anemone (Tealia lofotensis) attacks and feeds on an Egg-yoke Jelly or Medusa, Monterey, California

Flip Nicklin / False Killer Whale (Pseudorca crassidens) attacking Mahi Mahi (Coryphaena hippurus), Hawaii