Rather than grippy sausage tube, I believe the proper term would be sucky sushi rolls.

On a more serious note, it may be due to similar genetics to humans, specifically the LINE family of transposons.[0] Though, maybe they’re just aliens.[1]

[0] - https://www.livescience.com/jumping-genes-octopus-intelligen...

[1] - https://cordis.europa.eu/article/id/123479-trending-science-...