Yes, sardines are halal.
Halal, in Arabic, means permissible. For Muslims, it refers to things that are allowed under Islamic law. When it comes to food, this means it adheres to specific guidelines outlined in the Quran and Sunnah. Generally, all seafood is considered halal unless it is specifically prohibited.
Based on the provided reference, sardines, along with other fish like anchovies, herrings, tuna, and pilchards, fall into the category of halal food. There are no restrictions within Islamic dietary laws that would prohibit the consumption of sardines. Therefore, Muslims can consume sardines without concern.
In short, because sardines are a type of fish and no specific Islamic teachings prohibit their consumption, they are considered halal.