Anatomy

The body is relatively slender, with a slender back and a large, hook-shaped dorsal fin measuring 61 cm, located on the fourth posterior end of the body. It has an elongated ridge on its back, and around 260 to 480 baleen plates. It has two blowholes that can squirt 4 - 6 m up in the air. Like most rorquals, the fin whale has grooves between the tip of the lower jaw and the navel.

Among whale species, the fin whale is exceeded in size only

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