
ENV020-00140
Part of a smoky madtom’s (Noturus baileyi) fin is clipped so that its DNA can be tested to determine genetic diversity in the wild.
Keywords
- Biologist
- critically endangered
- diversity
- DNA
- federally endangered
- fin
- Fish
- focus on foreground
- Freshwater
- genetic
- high angle view
- human hand
- nature
- Noturus baileyi
- rare
- smoky madtom
- wild
This photo © Joel Sartore 2022. Image usage guidelines