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With some species of whale louse, whale barnacle infestations play an important role. On the right whale, the parasites live mainly on callosities (raised callus-like patches of skin on the whales' heads). The clusters of white lice contrast with the dark skin of the whale, and help researchers identify individual whales because of the lice ...
Cyamus boopis is a species of whale louse in the family Cyamidae. [1]This is an ectoparasite that lives exclusively on humpback whales.The infestation is most concentrated around the genital apertures, but occurs on all parts of the body, most commonly where there is an infestation of the barnacle species Coronula diadema.
Cryptolepas is abundant on the gray whale, but has been recorded on the orca, the beluga whale, and in the stomach of the topsmelt silverside (Atherinops affinis). [26] Topsmelt are known to pick off the dead skin and whale lice often found in association with barnacles. [25] Tubicinella major has been recorded only on the southern right whale ...
The gray whale population experienced an unusual mortality event from 2019 to 2023, which scientists believe was caused by a decrease in available prey in the northern Arctic seas, resulting in a ...
Almost all species of whale lice are specialized towards a certain species of whale, and there can be more than one species per whale. Whale lice eat dead skin, resulting in minor wounds in the skin. Whale louse infestations are especially evident in right whales, where colonies propagate on their callosities. [102]
Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. No one knows how many there are, what they eat, or even where they live in the vast expanse of the southern ...
In this photo provided by Kersti Muul, a pod of Bigg’s orcas, swim in Elliott Bay as a state ferry sails behind them in May 2022. The U.S. Coast Guard is launching a whale alert program in ...
They are classified in the family Balaenidae with the bowhead whale. Right whales have rotund bodies with arching rostrums , V-shaped blowholes and dark gray or black skin. The most distinguishing feature of a right whale is the rough patches of skin on its head, which appear white due to parasitism by whale lice .