Identity and category
Blue Grass · retailer listings (unverified pedigrees) · documented seller label
Species and lineage
Poecilia reticulata trade / ornamental context. No parentage independently confirmed. The term documents a naming convention or phenotype, not necessarily a stable distinct breeding line.
Evidence limits
Retail name confirmed on seller list, but lineage/stability remains unverified
References
Original standard or named-trade evidence ↗
Linked sources may verify use of a name or class, not genetics, pedigree, welfare or origin.