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Helpful! Why Do Orcas Dorsal Fins Collapse

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Why do killer whale dorsal fins collapse. Laterally bent dorsal fins are rarely observed in free-ranging populations of cetaceans contrary to captivity where most killer whale Orcinus orca adult males have laterally collapsed fins. Keto With Bent Dorsal Fin In Loro Parque Left Picture 11 Years Old In 2006 Right Picture 14 Years Old In 2009 Orca Animal Sculptures Sea World All captive adult male orcas have collapsed dorsal fins likely because they have no space in which to swim freely and are fed an unnatural diet of thawed dead fish. Why do orcas dorsal fins collapse . Why do Orca dorsal fins collapse. That is a sign of the existence of something especially of an undesirable situation. Of these however only one male was known to have a fully folded fin. In the wild as seen in the photo above the Orcas dorsal fin is straight up and sturdy. Ingrid Visser reported that in the late 1990s 23 of the males in the New Zealand population of killer whales had collapsed collapsing or...