Mandarines

Tangelo, also called tangerine, is a hybrid between mandarine and grapefruit.

An excerpt from the article 15 facts about mandarines
They have a distinctive appearance, with a spear on their tip that makes the fruit resemble a military grenade. Tangerines are very juicy and distinctive in flavor, yet sweet. They are about 8 cm in diameter, and their skin is loosely connected to the flesh, making them easy to peel.