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Close According to a recent study, baby starfish may appear lovable and innocent, but they re tiny little cannibals and feed on their own siblings for survival. (Photo : Pixabay) Behavior of Baby Starfish Two scientists found this behavior among baby Forbes sea stars (Asterias forbesi) unexpectedly. Initially, they were trying to obtain knowledge on how baby sea stars behave when presented to ferocious crab predators in the lab. Jon Allen, associate professor in William & Mary s Department of Biology, said in a statement: But they all begin to eat each other even before we initiated the crabs. So we had to do away with that experiment, Jon and his colleagues shifted gears to examine this previously secret phenomenon within the baby sea stars. ....
Baby sea stars eat their siblings in what is an unexpected case of underwater cannibalism, according to scientists who accidentally observed the behaviour. Experts from William & Mary s Department of Biology were trying to see how baby sea stars would react when a crab was introduced to their tank, but they started eating each other before the predator was introduced. Forbes sea stars are found on the East Coast of the US, the juveniles are about 1mm in diameter (0.04 inches) and adults can reach up to 5.9 inches in diameter. To grow, the juveniles must eat, and the study authors found that young sea stars often turn on each other, with the larger creatures targeting their smaller siblings. ....