National Geographic : 1934 Dec
CARNIVORES OF A LIGHTLESS WORLD 1 iratlnonal eograpnic boclety fainting by Jlse iostelmann. iNatural size A DEEP-SEA TRAGEDY DRAMA-IN THREE ACTS! The Black Swallower (Chiasmodon niger) makes a meal of a fish three times its size I Upper left, the smaller fish maneuvers into position; center, the Black Swallower snaps a head-lock on his adversary, a Unicorn Fish (Bregmaceros macclellandi);and, lower right, the Black Swallower swims off with the larger fish coiled within its distended stomach. This incident constantly occurs in the depths. By some unknown method of attack the well-named Swallower is able to kill and actually swallow an opponent thrice his length.