Procambarus lucifugus, the Florida cave crayfish, vampire crayfish, or light-fleeing cave crayfish, is a troglomorphic freshwater crayfish endemic to 20–25 occurrences (likely more) in an arc of caves 80 km long in 6 Florida counties.

There are two sub-species described;

• Procambarus lucifugus lucifugus
• Procambarus lucifugus alachua

The two sub-species are known to form intergrades in the range where they overlap.

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