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Crabs can work through the maze and remember the route to find food: Study
In a first, researchers have found that common shore crabs can work their way through a complex maze in order to find food, and can even remember it two weeks later.
London (PTI): In a first, researchers have found that common shore crabs can work their way through a complex maze in order to find food, and can even remember it two weeks later. The researchers, including those from Swansea University in the UK, tested 12 crabs over four weeks, placing food at the end of the maze each time. They said that the maze had three dead ends, and to reach the end of the maze the crabs needed five changes in direction.
According to the researchers, the findings can help in designing experiments to understand how changing ocean conditions may affect survival abilities of other marine animals. The study, published in the journal Biology Letters, revealed that the crabs steadily improved both in terms of the time taken to find the food at the end of the maze, and in the number of wrong turns taken. The researchers said that when the crabs returned to the maze two weeks later but without any food present at the end, they all reached the end of the maze in under eight minutes -- a sign that they had not sensed their way through, but remembered the route.
