Biologic evolution

It is a photograph of careful MURASAKIEGAI.
A big shellfish is MURASAKIEGAI.
It is unrelated to today's story in a small shellfish in the vicinity.
The one that had been postponed like the stick MURASAKIEGAI ahead was taken.
Whether it is a water pipe or a mouth or an insertion water pipe is not understood.
MURASAKIEGAI doesn't show careful the action pattern easily.
Not being possible to explain might be a charm of MURASAKIEGAI.