What is redshell sushi or rødskjell sushi? This is a rødskjell sushi in Norwegian (where I point with the sticks) and translated as redshell sushi in English. I am trying to find what it is. They have used some green to roll it around, it is probably some sea thing. Is it a fish or is it something else?
According to a few sushi websites, red shell sushi is known as arc shell, akaki or akagai sushi. It is a type of clam that gets its red color from lots of hemoglobin in its flesh.

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Another source

And the green stuff is definitely nori.