Wyoming Wildlife May 2024 - 14
IN THE FIELD
New structures at the Clark's Fork Fish Hatchery will protect the outflow of water at the facility. (Photo by Stephanie Estell/WGFD)
Clark's Fork Hatchery
work increases AIS prevention
New structures for the outflow of water look to protect fish
By Stephanie Estell
A
s the threat of aquatic invasive
species grows across Wyoming,
many within the Wyoming Game
and Fish Department are taking
charge. For state fish hatcheries, AIS is of particular
concern. One of the most proximate
threats is the New Zealand mudsnail. These
small creatures can multiply very quickly and
cause considerable issues.
The Clark's Fork Fish Hatchery, near Powell,
one of 10 Game and Fish-owned-andoperated
hatcheries, is the second-largest
hatchery in Wyoming. It raises more than 1
million fish annually, and in 2023 produced
1.36 million fish. Many of the waters these
fish end up in are mudsnail-free. If mudsnails
14 | May 2024
were to infiltrate the hatchery, operations
would temporarily cease before any more
fish were stocked to prevent the spread of
AIS. This would mean months of no fish
production, loss of hundreds of thousands of
fish and an extensive cleaning process for the
facility - and that's if the cleaning process
worked the first time.
A fish hatchery on the other side of the
Wyoming-Montana border, only 30 miles
downstream from the Clark's Fork Hatchery,
discovered mudsnails in its facility in
2020. Since that detection, AIS personnel
have conducted several inspections of the
Clark's Fork Hatchery and the nearby river,
in addition to the AIS screenings performed
annually at all Wyoming hatcheries. So far,
no mudsnails have been found.
" An AIS infestation at a fish
hatchery would be catastrophic.
The hatchery would need to be
completely emptied, drained and
disinfected. " - Clint Snell
" An AIS infestation at a fish hatchery would
be catastrophic, " said Clint Snell, Game and
Fish senior fish culturist at the Clark's Fork
Hatchery. " The hatchery would need to be
completely emptied, drained and disinfected.
When this occurred at the Bluewater Fish
Hatchery in Montana, it cost hundreds of
thousands of dollars. With this potential
Wyoming Wildlife May 2024
Table of Contents for the Digital Edition of Wyoming Wildlife May 2024
Wyoming Wildlife May 2024 - 1
Wyoming Wildlife May 2024 - 2
Wyoming Wildlife May 2024 - 3
Wyoming Wildlife May 2024 - 4
Wyoming Wildlife May 2024 - 5
Wyoming Wildlife May 2024 - 6
Wyoming Wildlife May 2024 - 7
Wyoming Wildlife May 2024 - 8
Wyoming Wildlife May 2024 - 9
Wyoming Wildlife May 2024 - 10
Wyoming Wildlife May 2024 - 11
Wyoming Wildlife May 2024 - 12
Wyoming Wildlife May 2024 - 13
Wyoming Wildlife May 2024 - 14
Wyoming Wildlife May 2024 - 15
Wyoming Wildlife May 2024 - 16
Wyoming Wildlife May 2024 - 17
Wyoming Wildlife May 2024 - 18
Wyoming Wildlife May 2024 - 19
Wyoming Wildlife May 2024 - 20
Wyoming Wildlife May 2024 - 21
Wyoming Wildlife May 2024 - 22
Wyoming Wildlife May 2024 - 23
Wyoming Wildlife May 2024 - 24
Wyoming Wildlife May 2024 - 25
Wyoming Wildlife May 2024 - 26
Wyoming Wildlife May 2024 - 27
Wyoming Wildlife May 2024 - 28
Wyoming Wildlife May 2024 - 29
Wyoming Wildlife May 2024 - 30
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