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FAQ
,added new q&a for pellicles
A: Yes (assuming your beer intentionally had pellicle forming microbes). Pellicle formation is not uncommon in bottled beer. It is possible that the beer was exposed to some O2 during transfer/bottling, prompting pellicle formation. It is only an aesthetic issue and will go away over time, and you can induce this by disturbing it (gently shaking/inverting the bottle).
Q: Can I tell what microbes are in my beer based on what the pellicle and/or krausen looks like?
A: No. Identifying microorganisms down to the species level requires DNA analysis. See [[Pellicle#Pellicle_Appearance_as_a_Microbe_Identifying_Indicator|Pellicles]] for more explanations why.
==Can I use dregs from _____==