A recent systematic review published in Marine Environmental Research by Elizabeth James et al. examined 35 years of peer-reviewed studies on underwater electromagnetic (EMF) radiation exposure and found that 66% reported significant impacts on aquatic life.
Impacts were found in a wide range of species across the full spectrum of EMF levels tested.
Researchers observed both behavioral changes (such as changes to swimming speed and habitat use) and physiological changes (including altered immune responses, metabolic regulation, and cardiovascular development).
Impacts tied to EMF exposure were most significant during the early stages of development (embryos, larvae, and juveniles), with significant changes reported in 93% of young fish and 100% of young crustaceans.
Read full review:
https://www.sciencedirect.com/science/article/pii/S0141113626000851?via%3Dihub
Also:
A review of potential impacts of submarine power cables on the marine environment: Knowledge gaps, recommendations and future directions – Taormina et al (2018) https://www.sciencedirect.com/science/article/abs/pii/S1364032118305355
Electromagnetic Sense Ireland 