Metapenaeus mastersii Hall, 1962 Metapenaeus ensis (sometimes called the greasyback shrimp or sand shrimp) is a species of prawn.

[2][3] 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.

[4] The shrimp is found amongst commercial fisheries farms in Lau Fau Shan to Mai Po in Hong Kong.

The shrimp is fished commercially and sometimes used as bait.