Not vegan

red swamp crayfish is classified as animal-derived by the local ingredient taxonomy.

Names you may see on a label

punarapuÉcrevisse de Louisianerak červenýGambero killerRoter Amerikanischer SumpfkrebsRode rivierkreeftCangrejo de río americanoRöd sumpkräftaLagostim vermelho da Luisiana미국가재Procambarus clarkii

How to verify it

If this ingredient appears in the recipe rather than a precautionary trace statement, the product is not vegan.