Invasive mussels on boat motor gimbal

A close-up of black plastic and a metal hinge covered in brown fibers and invasive mussel shells.
Photo By/Credit

Government of Alberta/Government of Alberta

Date Shot/Created
08/05/2025
Media Usage Rights/License
Copyrighted, All Rights Reserved - Used by Permission
Image
The gimbal area of a boat鈥檚 motor, covered in attached invasive mussel (zebra or quagga) shells and byssal threads.