Are Barnacles Parasites to Whales?

Big Batches of Barnacles
The barnacles are just along for the ride. They don't harm the whales or feed on the whales, like true parasites do. Barnacles don't serve any obvious advantage to the whales, but they give helpful lice a place to hang onto the whale without getting washed away by water.

Do whales try to remove barnacles?

Barnacles depigment the skin when they attach themselves to the whale. ... To get rid of the whale lice, whales rub themselves along the sea bottom or breach. Gray whales feed on bottom sediments and scrape off barnacles and whale lice as they feed.

Are barnacles on whales parasitism?

In the case of barnacles and whales, only the barnacles benefit from attaching to the whales, but at no biological cost to the whale. This type of symbiotic relationship is known as commensalism. In this case, attaching to the whales gives the barnacles a stable place to live, a free ride, and access to plenty of food.

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.