Alex Mustard / A young Galapagos sea lion (Zalophus wollebaeki) holds a red-lipped batfish (Ogcocephalus darwini) in its mouth. The sea lion was using the living batfish as a toy, dropping and chasing it as it tried...

Michael Pitts / Red-lipped batfish (Ogcocephalus darwini) Galapagos.

Florian Graner / Galapagos batfish {Ogcocephalus darwini} Cocos Island, Costa Rica

Fred Bavendam / Red-lipped Batfish (Ogcocephalus darwini) portrait, Galapagos Islands, Ecuador

Fred Bavendam / Red-lipped Batfish (Ogcocephalus darwini) portrait, on the ocean floor, Cocos Island, Costa Rica

Florian Graner / Galapagos batfish {Ogcocephalus darwini} Cocos Is, Costa Rica

Florian Graner / Red lipped batfish / Galapagos batfish {Ogcocephalus darwini} Cocos Is, Costa Rica