Orca Dorsal Fin Collapse - ThoughtCo Learn why a killer whale's dorsal fin collapses or flops over when in captivity and whether this happens in whales — or orcas — that live in the wild
Why Do Orcas’ Dorsal Fins Collapse in Captivity? While an upright dorsal fin is the natural state for a healthy orca, a significant majority of captive adult male orcas display a fin that is severely folded over This condition immediately draws attention to the vast difference between life in the open ocean and life in a concrete enclosure
SeaWorld Fact Check - Dorsal Fin Collapse Captivity has a range of inherent undesirable problems for orcas, including but not limited to aspects that may affect the upright position of the dorsal fin This “loss of structural integrity” (LSI) can result in partial or total collapse of the dorsal fin
Why Do an Orca’s Dorsal Fins Collapse? - ScienceInsights The sight of an orca’s towering dorsal fin is iconic, but a collapsed, bent fin is often associated with killer whales in human care This abnormality, sometimes called flaccid fin or folded fin syndrome, is a structural failure where the fin folds over
End captivity - Whale Dolphin Conservation USA Dorsal fin collapse – orcas kept in tanks spend most of their time swimming in endless circles, causing their tall dorsal fins to collapse to one side Dorsal fin collapse has been observed in 1% of wild orcas 100% of captive adult male orcas have collapsed dorsal fins