Picture the scene. Swimming off Scotland's west coast during a summer holiday you notice a large dark shark nearly 10 meters long headed towards you. A prominent triangular dorsal fin cuts the surface, the powerful rhythmically beating tail driving it silently through the cloudy green depths. You're transfixed by a cavernous mouth large enough to swallow a seal.
source https://phys.org/news/2021-01-basking-sharks-families-gourmet-genetic.html
