Basking sharks may sport a distinctive dorsal fin as they slice the ocean's surface, but that's just a sign of lunchtime. They're harmless plankton feeders! #naturalistpicture by 📷: @richwdolan #regram #dyk #scienceofsharks #sharkfin #baskingshark #filterfeeders #checkoutthosegills #bostonharborcruises #newenglandaquariumwhalewatch #newenglandaquarium #boston #massachusetts #summerfun (at New England Aquarium)








