What can the yeti crab do?
The bacteria on the hairy claws of the yeti crab may serve another purpose beyond acting as a food source. Scientists point to the high concentration of bacteria on the hairy claws as potentially being used to detoxify the poisonous materials that exist in the water coming from the hydrothermal vents.
What makes the yeti crab unique?
One strange characteristic of Yeti crabs is the very limited environment in which they live. They spend most of their lives in the water heated by the vents, and the crabs are unable to move between vents due to the stark difference in water temperature.
What are the characteristics of a yeti crab?
The defining characteristic of the yeti crab, however, is its “furry” claws. Their pincers are covered in blonde setae (bristle/hair-like structures) that enable them to harvest their main source of food: bacteria.
What is the biome of the yeti crab?
Yeti Crabs live in the deep oceans, in hydrothermal vents, which are deep within the ocean. These vents provide hot water which makes up the environment where these crabs live. The crabs regulate their ecosystem by using their hairy arms to collect toxins released from the hydrothermal vents.
Are there yeti crabs in the Southern Ocean?
Hoff’ Yeti crabs around vents on the East Scotia Ridge in the Southern Ocean photographed by the ROV ISIS; Credit: CHESSO consortium. Yeti crabs of the genus Kiwa are one of those recent exotic finds, deep in the ocean.
Where do the hairs on yeti crabs come from?
Moreover, such hairs are actually setae where clusters of filamentous bacteria live, which protect the yeti crabs from many viruses that can be found around them. The setae are also distributed throughout the chelipeds and the legs of the yeti crabs.
When was the yeti crab first discovered by scientists?
The yeti crab was only first discovered by a group of scientists in 2005. It was off Easter Island in the hydrothermal vents along the Pacific-Antarctic Ridge on the ocean floor. A second species was discovered in 2006, and four more have followed since, until the fifth in 2013.
Why is the yeti crab called the Hoff crab?
One species of yeti crab ‘Kiwa tyleri’ has a hairy chest, which inspired the nickname of the ‘Hoff crab’ by researchers. In honour of course, to the infamous David Hasselhoff, of Baywatch fame. 3 7. Scientists believe that the claw hairs – known as setae – are very likely sensors that assist the nearly blind creature to find food, and a mate.
What are some interesting facts about the yeti crab?
Interesting Yeti Crab Facts 1. The yeti crab farms its own food – on its arms. The hairy ‘arms’ of this tiny crab capture all kinds of bacteria that lives and grows on the crab. To encourage growth, yeti crabs have been seen waving it’s arms back and forth in seeping vents.
What do the claw hairs on a yeti crab do?
Scientists believe that the claw hairs – known as setae – are very likely sensors that assist the nearly blind creature to find food, and a mate. It’s thought they are not just used for farming bacteria for food. Photo courtesy of Oregon State University.
How did Alvin Jones find the yeti crab?
Exactly how the Yeti crabs fit into hydrothermal-vent ecosystems is still a mystery. Jones and his coauthors saw the crabs eating mussels that were cracked open when Alvin landed on the seafloor. But they also saw Yeti crabs holding their hairy claws out over plumes of warm water from hydrothermal vents.
Where are the digestive glands located in a yeti crab?
The digestive system is in the upper anterior portion of the body and a tube that extends to the telson serves as the gut. The antennal glands are flat and are in the ceohalothorax with the lobe of the antennal bladder covering a vast amount of the hepatopancreas.