macro close-up of a merluccius merluccius type fish with anisakis

animal anisakis background bacteria biology blue body closeup cooking cuisine danger disease dishes eating environment fish food fresh gut health healthy holding illness infected infection insect intestine japanese life mackerel macro meat medical medicine merlucciu merluccius natural nature nutrition parasite parasitic person photograph poisoning raw salmon science scientific sea seafood squid sushi type white woman worm worms