A LANGOLF Underwater TV (UWTV) survey of Nephrops (Nephrops norvegicus) in the Bay of Biscay in May 2016 conducted by the Marine Institute (MI) with the French Research Institute for Exploitation of the Sea (IFREMER). This work involves the acquisition and analysis of Underwater TV (UWTV) data in support of the provision of stock advice for nephrops for the entire Bay of Biscay region. To survey abundance and distribution of the prawn shellfish Nephrops norvegicus in the Bay of Biscay as part of the LANGOLF-TV Project