Description: It is likely a ribbonfish (the same family as the oar fish - Family Regalecidae) Trachipterus trachypterus or it could be one of the other two congeneric species (T. articus and T. jacksonensis).
For ID: Mark Benfield ran this picture by a colleague who's an expert on these beasts. Item Type: Image Title: Ribbon fish Copyright: Serpent Project Species: Trachipterus sp. Behaviour: Swimming in vertical position Site: Atlantic -- Central Atlantic -- Zafiro Field Site Description: Midwater Depth (m): 800 Latitude: 3 deg 50' 00" S Longitude: 8 deg 30' 00" E Countries: West Africa -- Equatorial Guinea Habitat: Tropical Water Column Rig: Pacific Warden Project Partners: Swire, Subsea 7, Exxon Mobil ROV: Centurion HD 115 Deposited By: Rob Curry Deposited On: 13 March 2007