MOCNESS modified Tucker trawl - Wiebe et al (1976, 1985) MOCNESS Has a 100 cm x 141 cm rigid mouth opening with nine 0.333 mm nylon mesh nets 6 meters long. System powered electrically on conducting wire and originally controlled from surface deck unit and now computer controlled. Sensors include pressure, temperature, conductivity, fluorometer, transmissometer, oxygen, and light. Versions include systems with 1/4, 1, 2, 4, 10 and 20 m2 mouth openings all using the same release mechanisms, sensors, and compute logging and controls [Wiebe and Benfield 2003 Plates 28 D; 29 A-D]. 2011-10-21 14:18:49.0 SDN:L22::NETT0097 SDN:L22::NETT0097 SDN:L22::NETT0097 1 1 2011-10-21 14:18:49.0 accepted false