Abstract: The present invention relates to a harvesting system for harvesting zooplankton or mesopelagic fishes and a method of harvesting zooplankton or mesopelagic fishes.

Abstract: The present invention relates to a harvesting system (11, 12, 13, 14, 24, 28) for harvesting zooplankton or mesopelagic fishes, said system comprising: —an underwater device (1, 4, 7, 16, 23, 29) for being lowered and towed into the sea, said underwater device comprising a housing provided with one or more inlets (30) adapted to receive a zooplankton or mesopelagic fishes-containing fluid, wherein said housing comprises one or more manifolds (2); said underwater device further comprising one or more sources of light (26, 27) facilitating schooling of zooplankton towards an illuminated area; —a fluidic connection (21) fluidically connecting said underwater device to a surface vessel; wherein said one or more inlets are inlets to said one or more manifolds and said one or more manifolds converge into said fluidic connection, wherein said one or more sources of light are located within said one or more inlets.