Split shot of a Basking Shark (Cetorinus Maximus) in Gunna Sound, Isle of Colll, Scotland. It's mouth is gaping as it feeds. Clouds are lit with the setting sun in the background.

cetorhinus maximus scotland uk basking shark britain cold coldwater coll elasmobranch filter giant greenwater mackerel migrate north east atlantic phytoplankton plankton shark temperate underwater united kingdom species fauna nature ocean sea