Mantis shrimp start practicing their punches at just 9 days old
Glass-bodied young mantis shrimp reveal key secrets of their speedy weapons
![black and white image of a mantis shrimp larva](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/04/042821_CQC_baby-shrimp_feat.jpg?fit=1030%2C580&ssl=1)
At 11 days old, this mantis shrimp (Gonodactylaceus falcatus) larva has already developed an appendage (folded below the eye) capable of ultrafast punches previously seen only in adults.
Jacob Harrison