I see it all the time in mine. I just figure it veins that all the blood didn’t drain from and just turned black. Little breading and hot grease will take care of them quick.
X 10 !!!! I see it all the time in my fillets too !!! breading and Hot grease will take care of them for sure !!!!
"What if you woke up today with only the things you thanked God for yesterday" "Life without God is like an unsharpened pencil - it has no point. "AMEN"