Ocean sunfish, open ocean, Mola mola, #03316

Ocean sunfish, open ocean. San Diego, California, USA, Mola mola, natural history stock photograph, photo id 03316
The tail (caudal) fin of the ocean sunfish is actually an adaptation of the dorsal and anal fins. Known as a clavus, it is short and broad and acts like a rudder.

Ocean sunfish, open ocean. San Diego, California, USA

Species: Ocean sunfish, Mola mola
Location: San Diego, California
Image ID: 03316
Format: Film 2:3
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