What Can We Learn From Crab Eyes?

Scientists Have Found Female Crab Eyes Have Hormones That Help Them Mature

There’s More to Crabs Than Just Catching Their “Eye”


Frontal view of blue crab eye stalks. (Photo: Mark Haddon)

Scientists at the University of Maryland have discovered that the eyes of immature female blue crabs have a specific hormone in them that contributes to their final maturation, and growth of reproductive body parts. These hormones allow them to proceed from an immature female, to growing sexual structures, and then proceeding into their final molt. Female blue crabs mate only once in their life, the time right after their final molt, which makes this information of particular interest to scientists. Check out the release of this research article online.


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