Biologic evolution

It is "Jackknife clam" without thing that has been put up to now
today
It had appeared on the box the other day.
When the salt was put in the average of jackknife clam's water pipe,
the content of the television was introduced with the shellfish that
flew out from sand.
It took a picture of the jackknife clam.
An interesting photograph was able to be taken by taking a picture.


It is this photograph.
When you observe jackknife clam's husk
It was noticed that husks were two layers.
The husk was peeled off, and it covered and the skin was peeled off.
The color of the husk is equal to the mussel.
The skin was a skin that was softer than the mussel.