May 4, 2025 · 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.

Aug 22, 2025 · Explore the reasons behind dorsal fin collapse in captive orcas, a key indicator of their health and environmental challenges.

At least 160 orcas have died in captivity, even more if stillbirths are counted. However even among the survivors, health issues are abound. Most notably are the dorsal fin collapse in male orcas, as well …

May 9, 2025 · While a collapsed dorsal fin does occur in wild killer whales, it is uncommon. Most captive orcas have a bent dorsal fin and the reasons why affect their welfare.

Although dorsal fin collapse is not unique to captivity, it is far more common in confinement. In the wild, the condition varies from population to population.

Nov 27, 2025 · Dorsal fin collapse, known scientifically as flaccid fin syndrome, is a noticeable physical condition almost exclusively associated with orcas living in marine parks and aquariums.

Learn about orca dorsal fin collapse in captivity vs. the wild—causes, effects, and why it highlights animal welfare concerns in marine parks.

Orcas in captivity may develop physical pathologies, such as the dorsal fin collapse seen in 80–90% of captive males. The captive environment bears little resemblance to their wild habitat, and the social …

Dec 5, 2024 · Though drooping dorsal fins are occasionally seen in wild orcas, it does seem more common among captive animals – especially the longer-finned males. It’s not entirely clear why.

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 …