description Hoff Crab Overview
The Hoff Crab (Kiwa tyleri) is a species of deep-sea squat lobster discovered in 2010 near hydrothermal vents in the Southern Ocean around Antarctica. It belongs to the Kiwaidae family and is nicknamed after actor David Hasselhoff due to the dense covering of setae, or hair-like bristles, on its thorax. These bristles are used to cultivate chemosynthetic bacteria, which the crustacean harvests as its primary food source. The crab thrives in the extreme, heated waters surrounding active vent chimneys.
help Hoff Crab FAQ
Why is Kiwa tyleri called the Hoff crab?
Researchers thought the dense setae on its underside resembled actor David Hasselhoff's famously hairy chest. Despite the nickname, Kiwa tyleri is technically a squat lobster rather than a true crab.
Where was the Hoff crab discovered?
It was found in 2010 around hydrothermal vents on the East Scotia Ridge in the Southern Ocean near Antarctica. The species lives in dense groups close to warm vent outflows within otherwise near-freezing deep water.
What does the Hoff crab eat at hydrothermal vents?
It cultivates chemosynthetic bacteria on the setae covering its ventral surface. Those microbes use chemicals from vent fluids, and the crab harvests them as an important food source.
How does the Hoff crab survive Antarctic vent conditions?
It occupies a narrow thermal zone close enough to vent fluid for warmth and bacterial growth but not so close that the heat becomes lethal. Females carrying developing eggs appear to move away from the warmest areas, creating an additional reproductive challenge.
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