"Hand-held plankton net"@en . . "SDN:L22::TOOL0981" . "Plankton net described as an hand-held plankton net; designed with single mouth piece with specifications with specifications unknown or available elsewhere in the supporting metadata; with additional features: qualitative sampling gear operated like a butterfly net either by SCUBA divers or from the side of a fixed dock or a small vessel; net size, shape, colour and mesh size may vary."@en . .