Aging a Fish Using a Spine
By Great Lakes Science Center
2019 (approx.)
![Pectoral Spine Cross Section](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/2019_USGS%20%282%29.jpg?itok=u8_0U7hw)
Detailed Description
A pectoral spine cross section from invasive grass carp captured in the Great Lakes. These cross sections are used to determine the age of the fish.
Sources/Usage
Public Domain.