Apache trout nitrogen storage

A hatchery biologist pulls a glass vial from a gray liquid nitrogen storage tank.
Photo By/Credit

USFWS

Date Shot/Created
12/01/2021
Media Usage Rights/License
Public Domain
Image
Williams Creek National Fish Hatchery Biologist Russell Wood removes Apache trout milt (fish semen) from sub-zero storage. This milt was collected from the wild to introduce new genetics into the Williams Creek Apache trout stock.
Facility
Williams Creek National Fish Hatchery
Species
Oncorhynchus apache
Subject tags
Captive breeding
Fisheries
Fishes