Translation of "Porgy" in Japanese

Hey, is this fish tasty for real? It looks like a black porgy who'd fallen in with mobsters and been put on the country's most wanted list!?

お兄ちゃん、このお魚本当に美味しいの？黒鯛が極道に落ちて、全国指名手配されたみたいなお魚だよ？