Barry Mansell / Hatchet crayfish (Procambarus kilbyi) speckled phase, Bay Co, Florida, USA. Controlled conditions

Barry Mansell / Orange Lake / Blind cave crayfish (Procambarus franzi) Alachua Co, Florida, USA. Controlled conditions

Barry Mansell / Hatchet crayfish (Procambarus kilbyi) striped phase, Bay Co, Florida, USA. Controlled conditions

Barry Mansell / Coastal lowland Cave crayfish (Procambarus leitheuseri) Crystal Springs Beach, Florida, USA

Barry Mansell / Coastal lowland Cave crayfish (Procambarus leitheuseri) Crystal Springs Beach, Florida, USA

Barry Mansell / Coastal lowland Cave crayfish (Procambarus leitheuseri) Crystal Springs Beach, Florida, USA

Barry Mansell / Coastal lowland Cave crayfish (Procambarus leitheuseri) Crystal Springs Beach, Florida, USA, August

Barry Mansell / Cave crayfish (Procambarus pallidus) Madison Co., Florida, USA, found in the Florida aquifer, has eye stalks but no functional eye or eye spot

Barry Mansell / Cave crayfish (Procambarus leitheuseri) Crystal Springs Beach, Florida, USA, August

Barry Mansell / Black Creek crayfish (Procambarus pictus) found in a few small streams in Clay, Putnam and Duval Counties, Florida, USA, Sprcies of Special Concern, March

Barry Mansell / Cave crayfish (Procambarus leitheuseri), USA