Invasive Species

Showing 1 - 19 of 19

Hogs Wild - Fighting the Feral Pig Problem - Texas Parks and Wildlife [Official]

Feral hogs are running wild across Texas, at great cost to farmers, ranchers, and native wildlife. Hunters are helping, but science may prove critical to controlling the invasion on a broader scale. For more information on feral hogs and feral hog control, visit:

When Plants Attack - Texas Parks and Wildlife [Official]

Just because it's green, doesn't mean it's good. Like a science fiction menace, some common landscape plants are taking over, escaping our yards and causing problems for native plants and wildlife. Find out how to fight the invasion. For more information, visit

Invasive Plants at Caddo Lake - Texas Parks and Wildlife [Official]

FEB. 2009 - Non-native plants are invading Caddo Lake in east Texas, threatening the health of native plants and wildlife. Texas Parks and Wildlife takes a look at what biologists and the local community are doing to fight giant salvinia and water hyacinth. For more information, visit

Invasive Apple Snails near Houston - Texas Parks and Wildlife [Official]

JUNE 2008 - In Armand Bayou near Houston, an exotic snail about the size of an apple has caught the attention of some college students who want to find out if they are a threat to the state's agriculture and endangered Texas Wild Rice. Texas Parks and Wildlife has this report. For more information, visit

FIELD NOTES: Biologists and Anglers Team Up to Remove Carp from Lake Conroe

Biologists enlisted the aid of rod-and-reel and bow anglers to remove excess triploid grass carp from Lake Conroe in July 2011. The carp have succeeded in removing most of the exotic invasive hydrilla from the lake and are now limiting the growth of desired native vegetation. Biologists are seeking to balance the number of carp in the lake with the amount of hydrilla available for them to eat.

The Rio Grande- Down But Not Out Texas Parks and Wildlife [Official]

Join a group of 8th graders as they raft down the Rio Grande. This 2005 outdoor adventure is more of an outdoor classroom, as the children learn all about the pressures on this once mighty river. From the fight for its precious water, to the invasive trees and shrubs that threaten to take over the river. This is a tale of a river thats down but not out...just yet.

Exotic Aquatics Invade Texas Waters - Texas Parks and Wildlife [Official]

[cc] Exotic aquatic species like suckermouth catfish, piranhas and applesnails can wreak havoc on native Texas wildlife. See where these species are invading and what's being done to stop them. More on invasive species at

Giant Salvinia PSA (30 sec.) - Texas Parks and Wildlife [Official]

Giant salvinia is an invasive plant that suffocates fish, chokes lakes and can double in size every 7 days. The giant salvinia monster stars in this public service announcement about how to stop it from spreading. Learn more at Go behind the scenes

Don't Let Invasives Take Over Texas Lakes - Texas Parks and Wildlife [Official]

Here's how you can help prevent invasive species such as Giant Salvinia and Zebra Mussels from harming Texas lakes. More info. at

Giant Salvinia Campaign - Texas Parks & Wildlife [Official]

Get a behind-the-scenes look at a public service announcement about the threat of giant salvinia, an invasive plant that's choking Texas waters. See the PSA at Learn more at

FIELD NOTES: Weevils Fight Invasive Giant Salvinia on Texas Lakes

Weevils are an effective biocontrol of the invasive aquatic plant Giant Salvinia. Texas Parks & Wildlife has constructed giant salvinia weevil rearing facilities at the Jasper State Fish Hatchery and the Caddo Lake National Wildlife Refuge. Giant salvinia is harvested from the affected reservoir or lake, inoculated with weevils, and reintroduced into the lake after weevils have increased.

Controlling Hydrilla on Lake Conroe

Hyrdrilla is a fast-growing invasive plant that's infested several Texas lakes, including Lake Conroe near Houston. In partnership with the Toyota Texas Bass Classic, Texas Parks and Wildlife is fighting this noxious weed and working to make Lake Conroe a world-class fishing lake. The 2011 Toyota Texas Bass Classic takes places Oct. 28-30 More about hydrilla at

Giant Salvinia Invading Caddo Lake - Texas Parks and Wildlife [Official]

[cc] Invasive plants like giant salvinia are threatening native plants that provide food and habitat for Texas wildlife. Are you unknowingly aiding the attack? Find out from the folks who are fighting to save aquatic habitats from this growing problem. To see how you can help, visit

Zebra Mussels On the Move - Texas Parks and Wildlife [Official]

A new Texas rule, just passed by the Texas Parks and Wildlife Commission, expands boat draining rules from 47 counties to statewide. The rule will go into effect in July and requires boats and other vessels operating on all public lakes, rivers and creeks to be completely drained to help combat the further spread of zebra mussels. Zebra mussels are a destructive invasive species that can damage motor boats, hurt aquatic life, hinder water recreation and even affect our water supply by clogging water intake systems. Texas Parks and Wildlife has this report. The new statewide rule applies to all types and sizes of boats whether powered or not, It includes personal watercraft, sailboats, kayaks, canoes, or any other vessel used on public waters. For more information on Zebra Mussels or other invasive species, go

Attack of the Zebra Mussels! - Texas Parks and Wildlife [Official]

Zebra mussels are having a devastating effect on the state's natural resources. They negatively impact native fish and mussels and foul beaches with their sharp shells. They wreak havoc for boaters by damaging boat hulls and reducing the performance of boating equipment. Zebra mussels can clog water intakes, costing taxpayers millions of dollars. Zebra mussels have already invaded Lake Texoma, and could take over all freshwater sources in Texas. Do your part to save our lakes -- clean, drain and dry your boat every time you leave a lake. Learn more at

Dogs Sniff Out Invasive Zebra Mussels - Texas Parks and Wildlife [Official]

The battle to stop the spread of destructive zebra mussels has some new soldiers – canine ones. And they come armed with noses that can sniff out the culprits, tiny invasive mussels and their microscopic larvae that travel from lake to lake by hitching a ride on boats. Working Dogs for Conservation is a non-profit organization that is taking it's show on the road to inform people about the threat of zebra mussels. The demonstration aims to recruit boaters' help in stopping the spread by keeping their boats clean, drained, and dry. It is illegal to transport zebra mussels or to leave a public water body without draining all water. These statewide laws apply to all types or boats including sailboats, kayaks, canoes or any other vessel used on public waters. For more information on Zebra Mussels, including a video on how to clean, drain and dry your boat, go to

Razing Cane, Controlling Invasive Arundo Cane - Texas Parks and Wildlife [Official]

Razing Cane Texas Rivers and stream are under attack. The invasive Giant Reed threatens pretty much every river system in the state, but biologists are fighting back. We focus on the pristine Pedernales River and see what it takes to knock back this towering cane invader.

Aaron Martens vs Invasive Species - Texas Parks and Wildlife [Official]

Pro anlger Aaron Martens talks about the importance of cleaning, draining and drying your boat to help stop the spread of invasive species.

Saltcedar Treatment - Texas Parks and Wildlife [Official]

Texas Parks and Wildlife and a group of partners are working together to manage invasive saltcedar on the upper Brazos River in West Texas at no cost to landowner partners. In 2016, aerial herbicide treatment of 3,500 acres of saltcedar was used to help reduce the impacts of this destructive shrub in the watershed and the project will continue in summer 2017.