Toisa Pisces is a Liberia-flagged well test and servicing vessel owned and operated by Sealion Shipping Ltd. She is classified by Det Norske Veritas as an oil production and storage unit.

[1] Toisa Pisces was built in 1997 by Ulstein Verft in Norway as a drilling platform supplier and cable ship.

[1] In 2003, the ship was purchased by Sealion Shipping and it was converted at the Gdańsk Shipyard as oil processing unit.

[1][3] She was renamed Toisa Pisces and registered in Monrovia, Liberia.

[1] She has an oil processing capacity up to 20,000 barrels per day (3,200 m3/d).