Farmed prawns vs King oyster mushroom
Prawn farming is among the most carbon-intensive seafood because of mangrove clearance, which releases stored coastal carbon. Mushroom stems, seared hard, reproduce the bite closely.
Per per kg
Greenhouse gaseskg CO₂e / kg
Farmed prawns
26.9
King oyster mushroom
3.3
Mangrove loss pressurerelative
Farmed prawns
1
King oyster mushroom
0
Land usem² / kg
Farmed prawns
2
King oyster mushroom
0.6
Cholesterolmg / 100 g
Farmed prawns
189
King oyster mushroom
0
Source: Poore & Nemecek (2018), Science · Our World in Data · USDA FoodData Central
Verdict
Sliced king oyster stems mimic scallop and prawn texture at an eighth of the emissions.
Questions people ask
How do I get the seafood flavour?
A strip of nori or a pinch of kelp powder in the marinade supplies the marine note.