Hoff crab and selfie with Trudeau: photographs of the day – Thursday

Antarctica

A feminine (left) and male ‘Hoff crab’. Male crabs of a species named after David Hasselhoff develop greater claws than females to allow them to battle one another for a mate. Scientists from the schools of Portsmouth and Southampton have found the distinction in claw measurement whereas monitoring the ‘Hoff crab’, which gained its nickname due to its bushy chest, prompting comparisons with the Baywatch star. The species, whose official identify is Kiwa tyleri, lives in massive communities round sizzling vents on the seafloor in Antarctica and its many hairs host micro organism which the crab feeds on

{Photograph}: Dr Nicolai Roterman/PA