Ludovic Dickel and his colleagues at the University of Caen Events Fort Walton Beach Florida France, made the discovery by placing crabs alongside cuttlefish eggs in a series of laboratory tanks.
Those embryos exposed Beach Florida Fort Home In Rent Walton crabs preferred them as prey later in life, the scientists report in the journal Animal Behaviour.
The Physicians In Fort Walton Beach Fl Florida embryos must be able to see through their translucent egg case, the scientists believe, and learn which animals are worth hunting even before they have hatched.
"This is the first time there is evidence of visual learning by embryos," said Dr Dickel.
Visual cues
Embryos are known to able to pick up chemical and auditory cues Fort Walton Beach Florida Apartment Rental unborn gulls, for example, learn to recognise the alarm calls of their parents whilst still in the egg, while salmon and frog embryos can learn the chemical signatures of the surrounding water before they hatch. more
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