It seems that “fish scale strain” may refer to a specific type of cannabis strain. Cannabis strains with names like “Fishscale” are known for their potency and may have effects that are stimulating or calming, depending on the specific strain. These strains may have a strong scent or flavor that is reminiscent of fish or the ocean. However, it’s important to note that the effects and characteristics of cannabis strains can vary widely, so it’s always best to research and consult with a knowledgeable budtender before trying a new strain.