Mojave River Hatchery raceway

Bacterial Outbreak at CDFW Hatcheries Temporarily Halts Fish Stocking in Southern California

Several California Department of Fish and Wildlife (CDFW) fish hatchery facilities in the eastern Sierra and Southern California are battling a bacterial outbreak that has the potential to cause significant losses to both hatchery and wild fish populations. The outbreak of Lactococcus garvieae, which is similar to streptococcus, has sickened fish at the Mojave River Hatchery and has been detected at both the Black Rock and Fish Springs hatcheries. A fourth CDFW hatchery, Hot Creek Hatchery, was originally quarantined out of caution but after testing that quarantine has been lifted.

The L. garvieae bacteria has never before been detected in fish in California, and CDFW must take a cautious and careful approach to ensure the protection of the state’s aquatic resources – fish, hatchery facilities and public waterways. Infected fish can show symptoms including bulging eyes, lethargic or erratic swimming and increased mortality, or be asymptomatic and show no signs of infection depending on a several factors including water temperature and stress. Fish-to-human transmission of this bacteria is rare and unlikely.

Fish stocking has temporarily been halted from the facilities under quarantine while hatchery staff treats the affected fish populations and takes measures to prevent the spread of the bacteria. Planting will resume when fish have recovered from the infections and fisheries pathologists have determined that they no longer present a threat to the environment.

“This is a challenge for our hatcheries because the bacteria is previously unknown in California, and we don’t have tried-and-true strategies on hand to combat it,” said Jay Rowan, environmental program manager for CDFW’s Hatchery Production and Fish Health Laboratory. “A successful approach will have three components: Treating the affected fish at the hatcheries, finding the origin of the outbreak, and planning ahead to contain and prevent the spread of the bacteria. Unfortunately, we may be in for a long battle here, which means there will not be a lot of fish plants in the near future in the eastern Sierra and Southern California. I wish we could give anglers a target date for when we think we can start planting again, but it’s all up to how fast and how well the fish respond to the treatments.”

Current treatment measures at the hatcheries include keeping water temperatures low, reducing stress due to crowding and other factors, introducing antibiotic medication and special diet in order to assist the fish in fighting off the infection. CDFW is currently investigating the source of the outbreak. For additional information, please see CDFW’s frequently asked questions about the L. garvieae outbreak.

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Media Contacts:
Jay Rowan, CDFW Hatchery Program, (916) 212-3164
Harry Morse, CDFW Communications, (208) 220-1169

trout fishing on Putah Creek

After Coordination with Local Government, California Department of Fish and Wildlife Lifts Delay in Inyo County

As requested by county officials, California Department of Fish and Wildlife (CDFW) Director Charlton H. Bonham is lifting the delay of the trout opener in Inyo County. Beginning May 28, trout season will be open in the county.

The trout season was originally scheduled to open in Inyo County on April 25, 2020. In April, CDFW had discussions with county leadership regarding trout fishing, which typically draws a high tourism influx to the area. Local officials were concerned about the transmission of COVID-19 and its potential to put a strain on their healthcare systems. Further, all non-essential businesses including lodging, dining and camping options were closed in compliance with state and local public health officers’ orders. Thus, CDFW, in consultation with Fish and Game Commission President Eric Sklar, delayed the opener through May 31, 2020.

However, in a letter yesterday, Inyo County officials requested that CDFW end the delay before May 31, indicating that the county received approval from the California Department of Public Health to move into the Governor’s Phase Two, Stage Two Resilience Roadmap and would begin discussions of reopening. Though county officials requested the opening on May 27, CDFW required one additional day for consultation and processing this request, thus the delay in Inyo County will expire at midnight on May 27 and fishing can resume on May 28, 2020.

This decision does not affect the trout season in any other county.

CDFW reminds anglers to abide by all state and local health guidelines regarding non-essential travel and physical distancing. Staying home in order to stay healthy is still the best way to keep yourself and others safe. Anglers are also advised to check with local authorities on the status of access points as many site closures and access restrictions exist and may change daily.

Pursuant to the emergency regulation approved by the Commission, CDFW will provide accurate information for the angling public at this website or by phone at (916) 445-7600.

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Media Contacts:
Jordan Traverso, CDFW Communications, (916) 654-9937

After Coordination with Local Government, CDFW Lifts Fishing Delay in Mono County

As requested by county officials, California Department of Fish and Wildlife (CDFW) Director Charlton H. Bonham is lifting the delay of the trout opener in Mono County. Beginning May 23, trout season will be open in the county.

The trout season was originally scheduled to open in Mono County on April 25, 2020. In April, CDFW had discussions with county leadership regarding trout fishing, which typically draws a high tourism influx to the area. Local officials were concerned about the transmission of COVID-19 and its potential to put a strain on their healthcare systems. Further, all non-essential businesses including lodging, dining and camping options were closed in compliance with state and local public health officers’ orders. Thus, CDFW, in consultation with Fish and Game Commission President Eric Sklar, delayed the opener through May 31, 2020.

However, in a letter yesterday, Mono County officials requested that CDFW end the delay before May 31, indicating that the county received approval from the California Department of Public Health to move into the Governor’s Phase Two, Stage Two Resilience Roadmap and would begin discussions of reopening. Though county officials requested the opening on May 22, CDFW required one additional day for consultation and processing this request, thus the delay in Mono County will expire at midnight on May 22 and fishing can resume on May 23, 2020.

This decision does not affect the trout season in any other county.

CDFW reminds anglers to abide by all state and local health guidelines regarding non-essential travel and physical distancing. Staying home in order to stay healthy is still the best way to keep yourself and others safe. Anglers are also advised to check with local authorities on the status of access points as many site closures and access restrictions exist and may change daily.

Pursuant to the emergency regulation approved by the Commission, CDFW will provide accurate information for the angling public at this website or by phone at (916) 445-7600.

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Media Contact:
Jordan Traverso, CDFW Communications, (916) 654-9937

After Coordination with Local Government, CDFW Lifts Fishing Delay in Alpine County

As requested by county officials, California Department of Fish and Wildlife (CDFW) Director Charlton H. Bonham lifted the delay of the trout opener in Alpine County. Beginning May 15, trout season will be open in the county.

The trout season was originally scheduled to open in Alpine County on April 25, 2020. In April, CDFW had discussions with county leadership regarding trout fishing, which typically draws a high tourism influx to the area. Local officials were concerned about the transmission of COVID-19 and its potential to put a strain on their healthcare systems. Further, all non-essential businesses including lodging, dining and camping options were closed in compliance with state and local public health officers’ orders. Thus, CDFW, in consultation with Fish and Game Commission President Eric Sklar, delayed the opener through May 31, 2020.

However, in a letter last week, Alpine County officials requested that CDFW shorten the delay from May 31 to May 15, indicating that the county was doing a soft opening of restaurants and other facilities and wished for the delay to lift sooner.

This decision does not affect the trout season in any other county.

CDFW reminds anglers to abide by all state and local health guidelines regarding non-essential travel and physical distancing. Staying home in order to stay healthy is still the best way to keep yourself and others safe. Anglers are also advised to check with local authorities on the status of access points as many site closures and access restrictions exist and may change daily.

Pursuant to the emergency regulation approved by the Commission, CDFW will provide accurate information for the angling public at wildlife.ca.gov/regulations or by phone at (916) 445-7600.

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Media Contact:
Jordan Traverso, CDFW Communications, (916) 654-9937

California Department of Fish and Wildlife Responds to Request from Sierra County About Fishing

California Department of Fish and Wildlife (CDFW) Director Charlton H. Bonham took two specific and limited steps today for fishing in Sierra County. As requested by county officials, CDFW suspended fishing on the mainstem of the North Fork Yuba River and delayed the trout opener on the entire Downie River mainstem in the county. Sierra County officials requested these actions last week along with requests from Alpine, Inyo and Mono counties; however; the tailored request required additional discussion with the county. The director made this decision in consultation with California Fish and Game Commission President Eric Sklar.

Fishing was already open on the mainstem of the North Fork Yuba River. Trout fishing was scheduled to open on the Downie River this Saturday, April 25. Trout is the only fishable species on the Downie River. The closure and delay in Sierra County will expire May 31, 2020.

Specifically, this means fishing is now suspended on the North Fork Yuba River from Yuba Pass downstream to the confluence with Goodyears Creek and the trout opener on the entire mainstem of the Downie River is delayed, both through May 31, 2020. Pursuant to the emergency regulation approved by the Commission, CDFW will provide current information for the angling public online or by phone at (916) 445-7600.

Today’s decision does not affect the trout season in any other county.

For information on the delay in Alpine, Inyo and Mono counties, please see this press release issued yesterday. A comprehensive summary and description of impacted regulations is available on CDFW’s website.

At the request of counties or tribes, CDFW will consider action to address needs regarding fishing seasons amongst the COVID-19 pandemic. If you are a county or tribal representative with questions or would like to provide input on potential angling related delays or restrictions, please contact Roger Bloom, Acting Branch Chief, Fisheries Branch, by email at Roger.Bloom@wildlife.ca.gov.

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Media Contact:
Jordan Traverso, CDFW Communications, (916) 654-9937