Fish Joke for Monday-itis: Halloween

Q: where do fish celebrate Halloween? A: At the GREAT SCARRIER REEF! Have a FINtastic week! R <+>{

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Get six months of WAVMA membership free!

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While WAVMA membership is on an annual basis (January 1 to December 31), anyone that joins or renews after October 1 will have access to all membership programs and privileges until April 1, 2019.

All current (2017) members will receive an invitation to renew in mid-November.

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DIAGNOSIS AND TREATMENT OF OVA RETENTION IN KOI Carp

DON’T MISS THE NEXT WAVMA FREE WEBINAR!

DIAGNOSIS AND TREATMENT OF OVA RETENTION IN KOI

Date: October 27, 2017
Time: 16.00 UTC

This webinar will cover normal koi spawning cycle, differentials for distended coelom, diagnostic techniques and treatment options in koi.

Presenter: Dr. Nick Saint-Erne DVM, CertAqV
Read more and register

Researchers seek to use the koi herpesvirus for statewide bio-control of the unwanted fish, USA to follow Australia’s experiment.

University of Minnesota researchers see a recent fish virus outbreak as a chance to combat an invasive species plaguing state lakes.

Researchers at the University’s Minnesota Aquatic Invasive Species Research Center (MAISRC) in St. Paul have been studying the usage of Koi herpesvirus (KHV) — responsible for recent carp deaths in Minnesota lakes — for potential bio-control of invasive carp. Koi fish are a subspecies of common carp, making them both susceptible to the virus. “We want to find ways to kill carp and zebra mussels and all these invasive species,” said MAISRC Director Nick Phelps. “We started this particular project in 2014 — went two years and didn’t see [the virus] anywhere, then saw it in seven to eight lakes in a matter of a month and a half.”

MAISRC first confirmed a naturally-occurring case of KHV in Elysian Lake in early August. Researchers confirmed cases in several more lakes on Friday. “We initially ran a lot of tests and they all came back negative,” said Meg Thompson, a first-year Ph.D. student at MAISRC. “And then we finally got a positive result. All the sudden there was an explosion of the virus around the country. It’s exciting to be at the forefront of this.”

Isaiah Tolo, another first-year Ph.D. student, has taken on an active role in the project, conducting many of the dissections and driving to Minnesota lakes where KHV may be present. “Carp have been here for more than 180 years, and they often wreck lake environments,” Tolo said. “It’s a big problem here.”

Tolo and fellow researchers dissected several bags of carp sent from various Minnesota lakes on Tuesday confirming more cases of the virus. Tolo said it’s important to educate the public on mass fish kills. “It can be a little alarming when thousands of fish wash up on the shore. People wonder if the water is safe,” Tolo said. “We want to let them know what fish kills are and what they can do to report them.”

Through a MAISRC website, members of the public can report fish die-offs. The site lets people click on a lake, fill in data about their discovery and send the data directly to researchers like Tolo — who then travel to the lake with testing materials to assess causes of death. Phelps said the research team wants to release the virus in Minnesota lakes to curb the spread of invasive carp. The disease wouldn’t threaten other fish species, he said, because of its specificity to carp. “We’ve never found it in a walleye, musky or bait fish,” Phelps said.

Phelps said MAISRC hopes to learn from researchers in Australia, who have spent the last 10 years looking into bio-control as a means of eliminating carp in their country.

The Australian government plans on releasing KHV into the environment next year.

“It’ll be the first time that pathogens will be used for aquatic animal control,” he said. “They’re pushing the envelope a bit, so we’re sitting back and learning what we can from that experiment.”

http://www.mndaily.com/article/2017/10/u-researchers-look-to-harness-fish-virus-in-fight-against-invasive-carp

Source: WAVMA email list-serve.

Need your water sample.

Attention Cichlid keepers,

Husbandry, particularly water quality, can play a pivotal role in many disease processes. As part of a research project attempting to determine the role of water parameters in Hole in the Head disease, Malawi Bloat, or Diarrhoea, Cichlid owners whose fish are affected by these diseases are encouraged to bring a ½ liter (500 mL) water sample to Paul at Morley Aquariums (