Whales of the Silver Bank - Dorsal Fin

humpback whales The dorsal fin is fleshy, consisting of cartilage, blubber and skin. When the humpback comes to the surface and arches its back, the dorsal fin and caudal peduncle form the hunched shape that lends the whale it’s common name. Dorsal fins are often damaged in rowdy groups, and their shape (along with scarring) are one tool used to identify individual whales.

 
 

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