Metapenaeus ensis (sometimes called the greasyback shrimp or sand shrimp) is a species of prawn.
Metapenaeus ensis is found in the waters of the Indo-West Pacific Region. The shrimp is found in brackish waters with depths between 8 and 95 metres.
The shrimp is found in commercial fisheries in Lau Fau Shan to Mai Po in Hong Kong.
The shrimp is fished commercially and sometimes used as bait.