Gary Bell/ Oceanwide / Clown Anemonefish (Amphiprion ocellaris) in sea anemone, Australia

Gary Bell/ Oceanwide / Pink Anemonefish (Amphiprion perideraion) in sea anemone, Great Barrier Reef, Australia

Paul Bertner / Moth (Macrocilix maia), with false fly spots, Danum Valley Conservation Area, Sabah, Borneo, Malaysia

James Christensen / False Zebra Longwing (Heliconius atthis) butterfly, Hacienda San Vicente, Mindo, Ecuador

Steve Gettle / Atreus Owl (Caligo atreus) butterfly wing with false eyespot, Ecuador

Hiroya Minakuchi / Pink Anemonefish (Amphiprion perideraion) in Magnificent Sea Anemone (Heteractis magnifica) host tentacles, Celebes Sea

Norbert Wu / Clown Anemonefish (Amphiprion ocellaris) among stinging tentacles of anemone, Komodo Island, Indonesia

Albert Lleal / Electron microscope view of bryozoan colony fragment isolated from beach sand, Formentera, Balearic Islands, Spain

Ingo Arndt / Blue Morpho (Morpho peleides) butterfly wing with false eyespots, Costa Rica

Chris Newbert / Blackfinned Clownfish (Amphiprion percula) in a Magnificent Sea Anemone (Heteractis magnifica) 40 feet deep, Solomon Islands

Chris Newbert / Pink Anemonefish (Amphiprion perideraion) in a Magnificent Sea Anemone (Heteractis magnifica), Papua New Guinea

Fred Bavendam / Pink Anemonefish (Amphiprion perideraion) nestled among the tentacles of its Sea Anemone host, Great Barrier Reef, Queensland, Australia