External features of Penaeus
Cephalothorax antennule antenna antennal flagellum scaphocerite carapace maxilliped pereopods compound eye rostrum Abdomen pleopods abdominal segments Tail uropods telson
	The uropods are the paired appendages of abdominal somite 6. Together with the terminal telson they form a tail fan, used for backward escape propulsion ("backward flip") (Dall et al., 1990).