My Facebook pages

Robert Montgomery

Why We Fish

Fish, Frogs, and Fireflies

Pippa's Canine Corner 

 

 

Loading..
Loading..
(adsbygoogle = window.adsbygoogle || []).push({});
Loading..
Loading..
(adsbygoogle = window.adsbygoogle || []).push({});
Loading..
Loading..
(adsbygoogle = window.adsbygoogle || []).push({});
Loading..
Loading..
(adsbygoogle = window.adsbygoogle || []).push({});
Get Updates! and Search
No RSS feeds have been linked to this section.

 

 

 

 

Entries in invasive species (250)

Tuesday
Jun062017

Mild Winter Contributed to Asian Carp Die-Off

A milder than normal winter likely was responsible for the large die-off of Asian silver carp that occurred during April in Kentucky and Barkley Lakes, as well as on the nearby Ohio River.

"It appears that young Asian carp are succumbing to stressors brought on by insufficient fat storage to get the fish through the winter and spring months," reported Kentucky Fish and Wildlife Resources Department (KFWR), crediting scientists with the U.S. Fish and Wildlife Service for the diagnosis.

"Young, but large carp are likely most vulnerable to starvation after a warm winter because the fishes' metabolism was elevated above that of a normal, colder winter."

In other words, the fish couldn't get enough to eat, which weakened them, and made them more vulnerable to secondary stressors, such as bacterial infections that their immune systems normally would fight off.

An Asian carp die-off also occurred in 2014. But Kentucky biologist Jessica Morris said that was in just one place, below Lake Barkley, with gas bubble disease as the diagnosed cause.

"As long as only silver carp are affected (this time), we're going to say that it's a good thing, because that's helping us control the population," she added.

When anglers and boaters began reporting dead and dying fish in early April, biologists from both KFWR and the Tennessee Wildlife Resources Agency (TWRA) were quick to investigate.

“The widespread die-off does not seem to be impacting other fish species, which is good news for game fish and anglers” TWRA fisheries chief Frank Fiss said early in the investigation.  “We appreciate all the reports we have received, and we want everyone to know we are aware of the die-off and are monitoring it.

“While we are trying to learn how to slow or stop their expansion, the recent die-off of thousands of fish for whatever reason has occurred naturally,” he added.

One angler on Kentucky Lake reported dead carp along the banks, as well as distressed fish "moving fast and making a wake, and they were anywhere and everywhere. Many came by the boat and a couple even banged off the trolling motor."

He also saw fish "beach themselves on the bank and that's when we noted why there were so many on the bank."

Another fisherman said the carp  were "swimming lethargically in very shallow water. Then the craziest thing happened. We saw the carp getting really close to the bank and throwing themselves onto the bank. We had never seen them do that before."

Fiss added that most fatalities seem to have been two-year-old fish, "but there are a lot of dead fish, and we are probably only seeing a tiny percentage of what actually inhabits the reservoir."

Friday
May192017

Lionfish Hunters Wanted!

Attention all lionfish hunters: The 2017 Lionfish Challenge begins tomorrow, May 20, on Lionfish Removal and Awareness Day. Remember to register online at MyFWC.com/Lionfish or sign up in person at the Lionfish Removal and Awareness Day Festival at Plaza de Luna in Pensacola May 20-21.

The 2017 Lionfish Challenge rewards recreational and commercial lionfish harvesters for their removal efforts with prizes and incentives. Once registered, participants email photos of their first 25 qualifying lionfish (or electronic trip tickets totaling at least 25 pounds sold for commercial harvesters) to Lionfish@MyFWC.com. Be sure to include the harvester name, the date harvested and your signature in the photo (written on a piece of paper next to the fish for example). Recreational category participants must submit any lionfish harvested in excess of the initial 25 to a Florida Fish and Wildlife Conservation Commission (FWC)-approved checkpoint (list of locations available at MyFWC.com/Lionfish by clicking on “Lionfish Challenge”) or FWC-sponsored lionfish tournament (FWC staff must be present to verify). Commercial participants can continue to submit trip tickets via email. All participants who have an active Saltwater Products License and have commercial lionfish sales within the past year will automatically be placed in the commercial category.

Rewards for recreational and commercial participants include:

  • A commemorative coin to validate membership.
  • An event T-shirt.
  • Lionfish Hall of Fame recognition on the MyFWC.com website.
  • If qualified before July 26, the opportunity to take an additional spiny lobster per day during the 2017 sport season (July 26-27). Participants must have commemorative coin as proof of participation.

Participants may also qualify for additional prizes such as a reusable lionfish sting heat pack, customized neck gaiter, customized tumbler, and pole spear with grip kit.

The recreational and commercial harvesters who check in the most lionfish will be crowned Florida’s Lionfish King or Queen and Florida’s Commercial Champion, and both will be recognized at the 2017 Lionfish Safari Sept. 10 in St. Petersburg.

Once you’ve registered, don’t forget to join the FWC in celebrating the third annual Lionfish Removal and Awareness Day (Saturday, May 20) by attending one of six statewide festivals and tournaments.

Lionfish Removal and Awareness Day (the first Saturday after Mother’s Day each year) raises awareness about lionfish; a nonnative, invasive species that has a potential negative impact on native species and habitat.

Pensacola Lionfish Removal and Awareness Day Festival and Tournament

The third annual Lionfish Removal and Awareness Day Festival will be from 10 a.m. to 5 p.m. May 20-21 at Plaza de Luna, 900 S. Palafox St., Pensacola.

This event will include celebrity chef and fillet demonstrations, lionfish tastings, family-friendly games and activities, and more than 40 art, diving and conservation vendors.

 To participate in the tournament hosted by the Gulf Coast Lionfish Coalition, visit the Lionfish World Championship webpage at LionfishWorldChampionship.com.

 Check out the booths of our many sponsors including Jimmy Buffett’s Margaritaville, Whole Foods Market, iHeartMedia, Coast Watch Alliance, Visit Pensacola, Escambia County Division of Marine Resources, Florida Sea Grant, the city of Pensacola, Navarre Beach Marine Science Station, tournament host Gulf Coast Lionfish Coalition, Guy Harvey Magazine, SHELLArt, Dive Rite, ZooKeeper and Dive Pros.

 Statewide lionfish events

Can’t make the Pensacola festival and tournament? Find an event near you by scrolling over “Event Info” at the top of ReefRangers.com and clicking on “Statewide Events.”

  • Lion Tamer Tournament – Panama City Beach.
  • Destin Lionfish Tournament – Destin.
  • Sebastian Lionfish Fest – Sebastian.
  • REEF Lionfish Workshop and Collection – Big Pine Key.
  • Northeast Florida Lionfish Blast – Jacksonville.
  • FSDA Lionfish Calcutta –St. Petersburg.
  • FWC Exotic Pet Amnesty Day – Sanford – May 6.

Look for event updates at MyFWC.com/Lionfish by clicking on “Lionfish Derbies and Events.”

 Questions?

Contact the FWC Division of Marine Fisheries Management at 850-487-0554. For more on FWC’s Pet Amnesty Day, or if you have an exotic pet and need help finding it a new home, visit MyFWC.com/WildlifeHabitats and click on “Nonnative Species” and “Exotic Pet Amnesty Program.”

 

Links

 Facebook:

Websites:

Wednesday
May172017

A Carp Is Not Just a Carp; Here's the Difference

Many people, including anglers, don't understand that we have several kinds of carp now swimming in our waters, all of them fish from other countries. And all of them problematic in one way or another.

The fish in the top photo is a common carp. It was introduced more than a century ago, with the help of the federal government. It's now in lakes and rivers all over this country, and has degraded water quality in many of them, mostly because it roots on the bottom and stirs up sediment.  State agencies sometimes use a rotenone treatment to wipe out a lake's fishery, primarily because of overpopulation by common carp. When someone says "carp," this is the fish that most people think of.

Grass carp (that's me with an illegally stocked grass carp) were first introduced during the 1960s, to help control aquatic vegetation, mostly exotic milfoil and hydrilla. The problem is that they eat ALL plants, including beneficial native vegetation. Some have escaped and are reproducing in our rivers. More recently, there's concern that they might establish a breeding population in the Great Lakes. They're far too easy to purchase and stock illegally by people who have no idea of the problems that they cause.

Finally, Asian carp. That description applies to both silver (top) and bighead carp. The silver carp is the one that you see so many photos of as it flies through the air. Both are growing larger here than in their native habitat, with bigheads now exceeding 100 pounds. These are the most recent introductions, brought in by fish farmers in the South. They escaped and now are outcompeting native fish for food and habitat in many of our major rivers, most notably, the Missouri, Mississippi, Illinois, and Ohio. In some places, they account for more than 95 percent of the biomass. There's concern that they, too, will establish breeding populations in the Great Lakes.

Thursday
May112017

Grass Carp Invasion Also Threatens Great Lakes Fisheries

 

While silver and bighead are the Asian carp of most concern these days for the Great Lakes, a third species has quietly been making inroads and is a growing worry for fisheries scientists in both the United States and Canada.

"For the first time, we have a binational, peer-reviewed study by some of the best minds and practitioners in the field who have a consensus on what the risk is to the Great Lakes from grass carp, and it's pretty substantial," said Marc Gaden of the Great Lakes Fishery Commission.

The vegetation eaters, which could decimate wetlands and aquatic grasses, have been found in Lakes Ontario, Erie, and Michigan. And, according to researchers, at least some of these invaders are reproducing.

"They've just been humming in the background," he added. "They haven't gotten a lot of attention. Once in a while one would get captured."

In fact, 23 have been caught in Canada since 2012, including five in Lake Ontario at Toronto, according to Becky Cudmore of Fisheries and Oceans Canada.

"Right now, the sterile fish outnumber the fertile fish. This isn't game over, but we are finding more of these fertile fish."

How did they get into the Great Lakes? Possibly through the manmade connection between the Illinois River and Lake Chicago, before electric barriers were erected. Introduced in the early 1960s to control invasive aquatic plants, they been around far longer than their more notorious cousins.

Likely too, some were introduced either intentionally or by accident. Unlike with silver and bighead, grass carp are easy to acquire and have been introduced illegally into both private and public waters by people who don't understand the consequences.

"Our assessment is saying that yes, they were showing up before, but now they're starting the invasion process," Cudmore said. "They have arrived. Now is the time to act."

Tuesday
Apr252017

Remove Snakes, Win Prizes in New Python Pickup Program 

The FWC’s Python Pickup Program is an incentive program designed to encourage the public to remove Burmese pythons from the Everglades ecosystem and report locations to the FWC. Anyone can participate, and people who submit proof of python with location of removal will be entered into the monthly prize drawing as well as a grand prize drawing in 2018.

Monthly prizes include snake hooks, custom engraved Yeti tumblers, Plano sportsman’s trunks, GoPro cameras and Badlands backpacks, and the grand prize is a Florida Lifetime Sportsman’s License! 

You can submit pythons as part of the Python Pickup Program that have been removed from any property in Florida where you have authorization to do so from the land manager or land managing agency. This includes private lands, the Commission-managed lands listed below, and other public lands. On private lands, pythons can be humanely euthanized at any time with landowner permission - no permit required- and the FWC encourages people to remove pythons from private lands whenever possible.

The FWC allows pythons to be removed from 22 Commission-managed lands (listed below) without a permit except on those portions of the areas posted as “Closed to Public Access.” People may seek authorization to remove pythons from other public lands on their own.

Pythons and other nonnative reptiles may be taken without a permit or hunting license at any time throughout the year, except by use of traps or firearms (unless provided for by specific area regulations) on the following Commission-managed Wildlife Management Areas, Public Small Game Hunting Areas (SGAs) and Wildlife and Environmental Areas.  Do not enter areas posted as “Closed to Public Access.”