When Ocean Networks Canada’s (ONC) marine operations team hauled out the Campbell River community observatory for its annual maintenance, they were in for a surprise. A herd of sea urchins had made the platform their home and were earning their keep by feeding on the marine debris that normally accumulates on underwater infrastructure, aka biofouling.
Read moreRecovered instrument platform, still clean after a year at 8 m depth thanks to a swarm of hungry sea urchins...