STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Barbed fishing hook, coloured scanning electron micrograph (SEM). The barb (bottom centre) is designed to make it harder for the hook to come free once a fish has been caught. There are concerns that barbs may cause undue suffering to hooked fish.
Model release not required. Property release not required.