Grass Carp change as they grow, but key features stay the same. Look for no barbels, low-set eyes, dark-edged scales, and no keel along the belly.
Learn more: InvasiveCarp.ca
Report sightings: EDDMapS.org
#GrassCarp #InvasiveCarp #Fishing #GreatLakes #FishID #EDDMapS
That “minnow” in your bait bucket might not be just a minnow. Some baitfish can look like young Grass Carp at a glance. Never dump bait or bait bucket water into a lake or river.
invasivecarp.ca | eddmaps.org
#InvasiveCarp #Fishing #Baitfish #GreatLakes
Where they hide matters. Different invasive carp species use different habitats, from weedy shallows and backwaters to main rivers and riverbed zones. If you suspect one, take clear photos, note the location, and report it.
EDDMapS.org | InvasiveCarp.ca
#InvasiveCarp #Fishing #Boating #Ontario
Acoustic deterrents use underwater sound to steer fish. Because carp have swim bladders, targeted frequencies may help block their movement in narrow waterways. Learn more: www.invasivecarp.ca/surveillance...
#GreatLakes #InvasiveCarp #InvasiveSpecies
Silver Carp vs Bighead Carp. Silver Carp are usually clean, uniform silver and have a long, sharp belly keel that runs forward toward the throat. They can also leap from the water when startled by boat motors. Learn more at: invasivecarp.ca
#InvasiveCarp #SilverCarp #GreatLakes #EDDMapS
Black Carp love mollusks! Using pharyngeal (throat) teeth to crush shells. One fish could consume up to 20,000 lbs in its lifetime. Ontario has 41 freshwater mussel species (16 at risk), filtering ~40 L/day. Black Carp threaten mussels & snails if they reach the Great Lakes. #invasivecarp #fishing
Quick Grass Carp ID: from above, the upper lip is clearly visible. Use the Two-Photo Rule: head from above + full side = fastest verification. Learn more: invasivecarp.ca/invasive-car... Report: www.eddmaps.org #InvasiveCarp #GrassCarp #GreatLakes #EDDMapS
On the 3rd day of #Carpmas, Black Carp ate native freshwater mollusks (mussels, snails), many of which are species at risk!
#InvasiveCarp #InvasiveSpecies
Visit InvasiveCarp.ca for Grass Carp ID tips, reporting guidelines, look alike species, and more background on impacts.
Reports can be sent to EDDMapS.org.
#GrassCarp #InvasiveCarp #InvasiveSpecies #GreatLakes #EDDMapS #Fishing
How do we confirm a Grass Carp?
📷 Field photo → 🧬 DNA barcoding.
Experts use science-backed ID steps to ensure accurate reports of invasive species.
🔍 Learn how YOU can help:
👉 InvasiveCarp.ca
👉 EDDMapS.org
#InvasiveCarp #GreatLakes #Fishing #ProtectOurWaters
Grass Carp can lay 500,000+ eggs that drift downstream & hatch fast. With floods & boat movement, they spread far.
Learn more at invasivecarp.ca
🎯 Know the lifecycle. Stop the spread early.
📢 Report sightings: eddmaps.org
#Fishing #ProtectOurLakes #InvasiveCarp #GreatLakes #GrassCarp
The fish commonly known as #InvasiveCarp are four separate species: grass carp, silver carp, bighead carp, and black carp. An overview of their impacts + ongoing management efforts is featured in an episode of the #GLANSIS video series “Managing Great Lakes Invaders”. www.youtube.com/watch?v=RKaW...
The #GLANSIS program was recently recognized in a Presidential Memorandum for our work protecting the #GreatLakes from #InvasiveCarp. Here's a 🧵 showcasing our species profiles + highlighting our partners who make the work of stopping Great Lakes AIS possible... www.whitehouse.gov/presidential...
Political cartoon: Quid Pro Quo
cartoon for @michiganpublic.bsky.social #whitmer #trump #invasivecarp
Trump memo seeks to protect Great Lakes from invasive carp, backs barrier project #GreatLakes #InvasiveCarp #DonaldTrump
They’re big, they’re hungry, and they’re already in waterways leading to the #GreatLakes. Meet #InvasiveCarp, four very disruptive species of fish – and learn what researchers, environmental managers, and the public are doing to keep them at bay. buff.ly/41uTBD6 #NISAW