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Collapsed or collapsing dorsal fins are rare in most wild populations and usually result from a serious injury to the fin, such as from being shot or colliding with a vessel. [102] After exposure to the 1989 Exxon Valdez oil spill , two male resident killer whales experienced dorsal fin collapse, and the animals subsequently died.
Port and Starboard are a pair of adult male orcas notable for preying on great white sharks off the coast of South Africa. [1] The duo are identified as having rare and distinct collapsed dorsal fins and they are named for the nautical terms, as Port's fin collapses left and Starboard's collapses right. [2]
The orca (Orcinus orca), or killer whale, ... In captivity, they often develop pathologies, such as the dorsal fin collapse seen in 60–90% of captive males ...
Whales are dying off the coast of Alaska in increasingly alarming numbers. What's worse is the deaths are still a mystery. Beginning in May, multiple endangered fin whales were discovered floating ...
Orcas, or “killer whales,” can grow up to 27 feet long and weigh as much as six tons. Known as the ocean’s top predator, they’re extremely intelligent, with their own languages of clicks ...
A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine environments, so the fins are not all homologous. They are found in most fish, in mammals such as whales, and in extinct ancient marine reptiles such as ichthyosaurs ...
A birthday fishing trip turned into a trip of a lifetime, with a fish story that will be hard to beat in years to come after a father and son spotted a gray whale off Florida's coast.
The lungs of baleen whales are built to collapse under pressure. [58] enabling some, like the fin whale, to dive to a depth of −470 meters (−1,540 ft). [59] The whale lungs are very efficient at extracting oxygen from the air, usually 80%, whereas humans only extract 20% of oxygen from inhaled air.