Alex Mustard / Florida softshell turtle (Apalone ferox) rests on the bed of a river. Rainbow River, Florida, United States of America.

Alex Mustard / Florida softshell turtle (Apalone ferox) in plants at the bottom of a river. Rainbow River, Florida, United States of America.

Alex Mustard / Florida softshell turtle (Apalone ferox) swimming over plants at the bottom of a river. Rainbow River, Florida, United States of America.

Alex Mustard / Florida softshell turtle (Apalone ferox) in plants at the bottom of a river. Rainbow River, Florida, United States of America.

Barry Mansell / Florida softshell turtle (Apalone ferox), Everglades National Park, South Florida, USA, May

Tim Fitzharris / Softshell Turtle (Trionychidae) in underbrush looking up, Florida

Steven David Miller / Florida soft shell turtle (Apalone ferox) Everglades NP. Florida USA.

Doug Wechsler / Florida soft shell turtle {Apalone ferox} head, Everglades NP, Florida, USA.

Chris Mattison / Close up of Florida softshell turtle (Apalone ferox), Big Cypress Swamp, Florida, USA