Is Flounders kosher?
Yes — Flounders is kosher under Jewish dietary law.
Eurpoean Turbot is not Kosher
Image: · licensed Public domain · source
About Flounders
Families Bothidae and Pleuronectidae. Including:Flounders (Paralichthys species),Liopsetta species,Platichthys species,etc.);Starry flounder (Platichthys stellatus);Summer flounder or fluke (Paralichthys denatus);Yellowtail flounder (limanda ferrugina);Winter flounder, lemon sole or blackback (Pseudopleuronectes americanus);Halibuts (Hippoglossus species);California halibut (Paralichthys Californicus);Bigmouth sole (Hippoglossina stomata);Butter of scalyfin sole (Isopsetta isolepis);"Dover" sole (Microstomus pacificus);"English" sole (Parophrys vetulus);Fantail sole (Xystreurys liolepis);Petrale sole (Eopsetta jordan);Rex sole (Glyptocephalus zichirus);Rock sole (Lepidopsetta bilineata);Sand Sole (Psettichthys melanostictus);Slender sole (Lyopsetta exillis);Yellowfin sole (Limanda aspera);Pacific turbots (Pleuronichthys species);Curlfin turbot or sole (Pleuronichthys decurrens);Diamond turbot (Hypsopsetta guttulata);Greenland turbot or halibut (Reinhardtius hippoglossoides);Sanddabs (Citharichthys species);Dabs (Limanda species);American plaice (Hippoglossoides platessoides);European plaice (Pleuronectes platessa);Brill (scophthalmus rhomus).But not including: European turbot (Scophthalmus maximus or Psetta maximus).
Kosher ruling
Source: kosherfish.co/kosher-fish-list (snapshot 2025-12-19); legacy csv