The anglerfish wiggles a bait, or esca (see arrow) to lure its prey. Notice the branched skin flaps that help the undersea angler blend into its surroundings. Image courtesy of Islands in the Stream 2001, NOAA/OER.
The anglerfish wiggles a bait, or esca (see arrow) to lure its prey. Notice the branched skin flaps that help the undersea angler blend into its surroundings. Image courtesy of Islands in the Stream 2001, NOAA/OER.