The fin whale (Balaenoptera physalus) is the second-largest living mammal species, characterized by a streamlined body and asymmetrical coloration. They are baleen whales belonging to the rorqual family, renowned for their exceptional swimming capabilities and complex social structures.
Predominantly found in deep, temperate and cool oceanic waters worldwide, including the Atlantic, Pacific, and Indian Oceans. They migrate seasonally between feeding and breeding grounds, typically ranging from polar to tropical marine environments.
Critical marine ecosystem engineers that play a significant role in oceanic food webs. As filter feeders, they regulate zooplankton populations and contribute to nutrient cycling through their massive biomass and extensive migrations.