Dorsal Fin Collapse – Inherently Wild

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. For example, according to Dr. Ingrid Visser’s 1998 study on fin abnormalities, the percentage rate of wild whales with collapsed, collapsing or bent dorsal fins sits at 4.7% in British Columbia and 0.57% in Norway. Yet in New Zealand …

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