Miso is those fine parts hidden in the head mixed with the coral, the hardish red substance is the roe or the eggs of the female lobster. It is also called the coral because of the deep red color, is gelatin, and edible. Many seafood lovers wonder about the green stuff in lobster, specifically what it is and if it is safe to eat. The lobster’s liver and pancreas, and is called the hepatopancreas in lobsters and other other arthropods