Fish stocking in Lake Michigan,USA. A technician is monitoring oxygen levels in a tank holding young trout (Salmo sp.) as they are transported to the release site. Fish stocking is a practice used to supplement fish populations or to introduce new ones. Young fish are raised in a hatchery then released into the wild | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 3682 px × 2441 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
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