Why do orcas fins droop

Inherently Wild. Dorsal Fin Collapse. His dorsal fin is believed to be around 2 meters 6. Ulises , an adult male, at SeaWorld San Diego.

Photo submitted by orcalover Cetacean Captivity. Post navigation Next post Unnatural Diet. False killer whale dorsal fin disfigurements as a possible indicator of long-line fishery interactions in Hawaiian waters. Pacific Science Barrett-Lenard, L. Durban, J. Size and body condition of southern resident killer whales.

Ford, J. Houghton, J. Dorsal fin cross section , photograph from research blog. Jett, J. Unpublished report, 22 pp. Matkin, C. Marine Ecology Progress Series Ventre, J. Killer whales, theme parks and controversy: An exploration of the evidence. Markewell ed. Visser, I. Prolific body scars and collapsing dorsal fins on killer whales in New Zealand waters.

Aquatic Mammals There is speculation of a genetic component, expressed generally by field biologists to explain the cases of dorsal fin bending and collapse in the wild. But there is no evidence to support or refute a genetic influence. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile. Select personalised ads. Apply market research to generate audience insights.

Measure content performance. Develop and improve products. List of Partners vendors. Share Flipboard Email. Jennifer Kennedy. Marine Science Expert. Jennifer Kennedy, M. Updated January 28, Featured Video. View Article Sources.

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