There were loads of shark references in the news back in October ..
Chinese "Super Great White Shark" Ufo like helicopter
https://edition.cnn.com/2019/10/16/asia/china-new-helicopter-ufo-intl-scli-hnk/index.html
Protesters sing Baby Shark to toddler
https://www.bbc.co.uk/news/av/world-middle-east-50138774/lebanon-protests-protesters-sing-baby-shark-to-toddler
Great White Shark With Massive Bite on Head Was Attacked by Even Bigger Shark
https://www.newsweek.com/great-white-shark-bitten-head-1465862
No idea what it means but did stand out a bit.