MODULE 12 - Salmonid Spawner Survey

Post Orbital Hyprual (POH) is the measurement that is taken from the rear of the eye openig to the end of the hypural plate, which is the last vertebrae, at the base of the tail. Click on the images below to view a larger size. Post Orbital Hypural diagram 1 Post Orbital Hypural Diagram 2

Download more images - (large jpeg) - Image 1 - Image 2