Chris Newbert / Rosy-lipped Batfish (Ogcocephalus sp) portrait, 100 feet deep, Cocos Island, Costa Rica

Birgitte Wilms / Rosy-lipped Batfish (Ogcocephalus porrectus), Cocos Island, Costa Rica

Aflo / False colour x-ray of Starry handfish (Halieutaea stellata) skeleton

Magnus Lundgren / Unknown larval fish species, possibly a Ogcocephalidae, 20-25 mm long, Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean. This larva has some parasites. Magnus

Magnus Lundgren / Unknown larval fish species, possibly a Ogcocephalidae, 20-25 mm long, Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean. This larva has some parasites. Magnus

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...

Tony Wu / Starry handfish (Halieutaea stellata) descending back to depth after released from a fishing net. Kochi, Japan.

Tony Wu / Starry handfish / Minipizza batfish (Halieutaea stellata) on sea floor, Kochi, Japan.

Tony Wu / Starry handfish / Minipizza batfish (Halieutaea stellata) on sea floor, Kochi, Japan.

Tony Wu / Starry handfish / Minipizza batfish (Halieutaea stellata) on sea floor, Kochi, Japan.

Tony Wu / Starry handfish / Minipizza batfish (Halieutaea stellata) descending after it was released from a fishing net. Kochi, Japan.

Tony Wu / Starry handfish / Minipizza batfish (Halieutaea stellata) descending after it was released from a fishing net. Kochi, Japan.

Franco Banfi / Redlip batfish (Ogcocephalus porrectus) on seafloor, Cocos Island National Park, Costa Rica, East Pacific Ocean

Franco Banfi / Redlip batfish (Ogcocephalus porrectus) Cocos Island National Park, Costa Rica, East Pacific Ocean

Franco Banfi / Redlip batfish (Ogcocephalus porrectus) Cocos Island National Park, Costa Rica, East Pacific Ocean

Franco Banfi / Redlip batfish (Ogcocephalus porrectus) Cocos Island National Park, Costa Rica, East Pacific Ocean

Pascal Kobeh / Rosy lipped batfish (Ogcocephalus porrectus), Cocos Island, Costa Rica, Pacific Ocean. Small reproduction only

Michael Pitts / Batfish portrait {Ogcocephalidae} Palau, pacific

Jurgen Freund / Shortnosed batfish {Ogcocephalus nasutus}, Caribbean Sea

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

Michael Pitts / Batfish portrait {Ogcocephalidae} Palau, Pacific

Norbert Wu / Polka-dot Batfish (Ogcocephalus radiatus), West Palm Beach, Florida