…Prawn vision for management and welfare assessments…all sorts tried…

https://www.globalseafood.org/advocate/vision-quest-behind-norwegian-researchers-high-tech-approach-to-fish-welfare-assessments/

https://www.jvsg.com/calculators/cctv-lens-calculator/

UV light can influence prawn and bacterial growth also…hey, even algal growth…and provide heat to culture even…

https://www.globalseafood.org/advocate/colored-led-lights-can-influence-shrimp-growth-water-quality-in-biofloc-culture/