surrogate

Trout with salmon parents could help to revive endangered fish species

edyong | August 28, 2009

This article is reposted from the old Wordpress incarnation of Not Exactly Rocket Science. Getting excited when fish produce sperm would usually get you strange looks. But for Tomoyuki Okutsu and colleagues at the Tokyo University of Marine Science and Technology, it's all part of a day's work. They are trying to use one species of fish as surrogate parents for another, a technique that could help to preserve species that are headed for extinction. Okutsu works on salmonids, a group of fish that includes salmon and trout. Many members of this tasty clan have suffered greatly from over-…