Devices used for monitoring and controlling the environment of aquaculture pens for live marine and freshwater species, namely, thermostats; test and measurement instrumentation, namely, devices to test and measure water chemistry and other water parameters, namely, the amount of ammonia, nitrites, nitrates, and chlorine in water, the amounts of solids and gases such as carbon dioxide and dissolved oxygen in water, temperature, pH, light, conductivity, salinity, flow rate, water level, current speed, current direction, colored dissolved organic matter, turbidity, blue-green algae, and chlorophyll devices to measure weather parameters, namely, wind speed, wind direction, air temperature, barometric pressure, and relative humidity; alarm systems, namely, devices that sound an audible alarm, produce a visible alarm, and record water conditions when any of the water chemistry parameters are exceeded; electronic remote and hand held devices, namely, probes, monitors, and controllers used for monitoring and controlling the environment of natural and man-made lakes, rivers, oceans, streams, ponds, aquariums, fish hatcheries, fish nurseries, and aquaculture pens; electronic remote and hand held devices, namely, probes, monitors, and controllers used to measure water chemistry and other water parameters such as the amount of ammonia, nitrites, nitrates, and chlorine in water, the amounts of solids and gases such as carbon dioxide and dissolved oxygen in water, temperature, pH, light, conductivity, salinity, flow rate, water level, current speed, current direction, colored dissolved organic matter, turbidity, blue-green algae, and chlorophyll

Fish containment structure, namely, fish cages composed primarily of metal and also containing plastic for commercial aquaculture use