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Gray whale rostrum covered in the endemic Cryptolepas rhachianecti barnacles and cyamids often called whale lice. Whale barnacles typically attach to baleen whales and have a commensal relationship–the barnacle benefits and the whale is neither helped nor harmed. [3] A single humpback whale may carry up to 450 kg (990 lb) of barnacles. [21]
Coronula diadema is a species of whale barnacle that lives on the skin of humpback whales and certain other species of whale. [2] This species was first described by Carl Linnaeus in the 1767 12th edition of his Systema Naturae. [1]
Around 7,500 whale lice live on a single whale. [3] 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 ...
Photos show close-ups of the whale’s skin and barnacles. The huge sea creature was close enough for boaters to see its barnacles. Monterey Bay Whale Watch / Daniel Bianchetta.
Whale louse infestations are especially evident in right whales, where colonies propagate on their callosities. [102] Though not a parasite, whale barnacles latch onto the skin of a whale during their larval stage. However, in doing so it does not harm nor benefit the whale, so their relationship is often labeled as an example of commensalism ...
The species is now only known from the northern Pacific Ocean where gray whales are found. The gray whale was present in the northern Atlantic Ocean between the Late Pleistocene and recent times, and C. rhachianecti fossils have been found on a beach in the Netherlands, showing that the barnacle must also have been present. [3]
A male humpback whale made one of the longest and most unusual migrations on record for the species, an anomaly scientists say might be linked to climate change. The whale was first sighted in ...
The transition away from whaling gave birth to new industries and practices – with the impetus coming from outside. In 1990, French national Serge Viallele set up the first whale watching ...