Which fruit is nicknamed “dragon fruit”?

Pitaya

The pitaya, or dragon fruit, owes its nickname to its exterior appearance, with a scaly skin reminiscent of a dragon's. This fruit is primarily from Central America but is now cultivated in many tropical regions around the world. The flowers of the pitaya plant only open at night and are pollinated by bats or moths, adding a mystical layer to its origin. The flesh of the fruit can be white, red, or yellow, each containing edible black seeds, and is known for its sweet and refreshing flavor.