Rare Fish: The black swallower

The black swallower (Chiasmodon niger) is a deep sea fish that has the ability to extend its stomach three times its size so that it can swallow fish that are larger than itself. It’s a charming and rare fish which lives in depths of up to 1,500 meters. And what makes this fish sole is the fact that unlike many other deep sea fish which need cold, dark conditions the Black Swallower also makes warm tropical waters its home. This fish can grow up to 25 centimeters and has the aptitude to make use of bioluminescence because of the darkness found in some parts of the pelagic zone.