Metriacanthosaurus mushroom metabolisim

The metriacanthosaurus metabolism allows you to eat all mushrooms, but shelf mushroom are inedible unless you grab thwm first and you cannot continue to eat them after your hunger is full like every other mushroom.

I wanted to eat a shelf mushroom, I did not get a 'eat'interacrion option until I picked up the mushroom, and when my hunger was full the 'eat' option disappeared.

You should get an 'eat' and 'pick up' / 'collect' interaction when nearby a shelf mushroom and you should be able to continue eating once hunger is full.