25/02/2026
The Red-lipped batfish (Ogcocephalus darwini), endemic to the Galapagos Islands and coastal Ecuador, is a truly bizarre critter. About the size of your hand, its fins have evolved into limbs that enable it to walk along the seafloor. It hunts for small fish and crustaceans using suction feeding to hoover up prey, and can change body colour to blend into the background coral and has evolved a specialised fin ray that extends outward on top of its head, the tip of which emits a bright light to lure prey to its mouth in the dark. We dived deep below the thermocline into brisk 18 degree C water off Isla Fernandina in search of this bizarro critter and were rewarded with sightings of two individuals on the seafloor at 32-metres depth.