Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species showing bioluminescent fishing pole attracts deep sea prey, California

Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species showing fishing pole with bioluminescent lure used to attract prey

Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species cleared and stained for show, bone (Red) and cartilage (Blue)

Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species cleared and stained for show, bone (Red) and cartilage (Blue)

Solvin Zankl / Johnson's abyssal seadevil, (Melanocetus johnsonii) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species showing fishing pole with bioluminescent lure used to attract prey

Norbert Wu / Murray's Abyssal Anglerfish (Melanocetus murrayi) juvenile, note the light organ used to attract prey in the deep sea

Solvin Zankl / Murrays abyssal anglerfish (Melanocetus murrayi) head portrait, showing bioluminescent esca used to attract prey. The bioluminescence is produced by symbiotic bacteria; these bacteria are thought to e...

Solvin Zankl / Deep-sea anglerfish (Melanocetus johnsonii) female swimming and showing teeth. Captive.

Solvin Zankl / Deep-sea anglerfish (Melanocetus johnsonii) female backlit swimming in the darkness. Captive.