So there’s no reason for a non muslim fish to either literally not be halal, as food, nor abide by muslim dress code, as a ‘person’, who does not appear to be muslim.
The widely varying different standards of Islamic Dress Codes != Halal.
To conflate the two would be like asking if a Yarmulke is Kosher. Its … nonsensical.
… Dory is a fish.
Why would a fish need to follow instructions given to humans?
Because it’s a cartoon in which all the fish are speaking English, engaged in human activities & personalities & situational drama just like humans.
… Are the fish Muslim?
As part of their acting like humans?
Also, generally speaking, fish are halal to eat.
So there’s no reason for a non muslim fish to either literally not be halal, as food, nor abide by muslim dress code, as a ‘person’, who does not appear to be muslim.
The widely varying different standards of Islamic Dress Codes != Halal.
To conflate the two would be like asking if a Yarmulke is Kosher. Its … nonsensical.