Invasive Carp Canada
@invasivecarpcanada.bsky.social
InvasiveCarp.ca
Point Edward, ON: Grass Carp Information Session (FREE) 🐟
Tue Feb 10, 2026 | 6–9pm @ Sarnia Yacht Club.
🎬 Carp Fear short film (Josh Duncan)
🍽️ Food & drinks
🎁 Door prize: YETI cooler
Scan QR to register.
Tue Feb 10, 2026 | 6–9pm @ Sarnia Yacht Club.
🎬 Carp Fear short film (Josh Duncan)
🍽️ Food & drinks
🎁 Door prize: YETI cooler
Scan QR to register.
January 21, 2026 at 5:18 PM
Point Edward, ON: Grass Carp Information Session (FREE) 🐟
Tue Feb 10, 2026 | 6–9pm @ Sarnia Yacht Club.
🎬 Carp Fear short film (Josh Duncan)
🍽️ Food & drinks
🎁 Door prize: YETI cooler
Scan QR to register.
Tue Feb 10, 2026 | 6–9pm @ Sarnia Yacht Club.
🎬 Carp Fear short film (Josh Duncan)
🍽️ Food & drinks
🎁 Door prize: YETI cooler
Scan QR to register.
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
#GreatLakes #InvasiveCarp #InvasiveSpecies
January 19, 2026 at 2:17 PM
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
#GreatLakes #InvasiveCarp #InvasiveSpecies
Some native and commonly caught fish can resemble juvenile invasive carp at a quick glance, especially small silvery baitfish and deep bodied forage fish.
Learn: invasivecarp.ca
Report: www.eddmaps.org
#Fishing #GreatLakes #InvasiveSpecies #FishID #EDDMapS
Learn: invasivecarp.ca
Report: www.eddmaps.org
#Fishing #GreatLakes #InvasiveSpecies #FishID #EDDMapS
January 16, 2026 at 2:31 PM
Some native and commonly caught fish can resemble juvenile invasive carp at a quick glance, especially small silvery baitfish and deep bodied forage fish.
Learn: invasivecarp.ca
Report: www.eddmaps.org
#Fishing #GreatLakes #InvasiveSpecies #FishID #EDDMapS
Learn: invasivecarp.ca
Report: www.eddmaps.org
#Fishing #GreatLakes #InvasiveSpecies #FishID #EDDMapS
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
#InvasiveCarp #SilverCarp #GreatLakes #EDDMapS
January 14, 2026 at 2:59 PM
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
#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
January 12, 2026 at 2:29 PM
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
January 6, 2026 at 2:22 PM
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 11th day of #Carpmas, Grass Carp ate 40% of their bodyweight in aquatic vegetation!
By eating such huge quantities of plants, they can significantly alter the composition of habitat by reducing food sources, shelter and spawning areas for native fish.
By eating such huge quantities of plants, they can significantly alter the composition of habitat by reducing food sources, shelter and spawning areas for native fish.
December 24, 2025 at 2:18 PM
On the 11th day of #Carpmas, Grass Carp ate 40% of their bodyweight in aquatic vegetation!
By eating such huge quantities of plants, they can significantly alter the composition of habitat by reducing food sources, shelter and spawning areas for native fish.
By eating such huge quantities of plants, they can significantly alter the composition of habitat by reducing food sources, shelter and spawning areas for native fish.
On the 10th day of #Carpmas, Grass Carp gave us a guide on how to ID and report them: invasivecarp.ca/grass-carp-i...
December 23, 2025 at 6:16 PM
On the 10th day of #Carpmas, Grass Carp gave us a guide on how to ID and report them: invasivecarp.ca/grass-carp-i...
On the 9th day of #Carpmas, Invasive carps reduced opportunities for birdwatching!
Poor water quality caused by Invasive carps could reduce suitable habitat for certain species and cause decreased participation in wildlife viewing activities, like birdwatching.
Poor water quality caused by Invasive carps could reduce suitable habitat for certain species and cause decreased participation in wildlife viewing activities, like birdwatching.
December 22, 2025 at 3:04 PM
On the 9th day of #Carpmas, Invasive carps reduced opportunities for birdwatching!
Poor water quality caused by Invasive carps could reduce suitable habitat for certain species and cause decreased participation in wildlife viewing activities, like birdwatching.
Poor water quality caused by Invasive carps could reduce suitable habitat for certain species and cause decreased participation in wildlife viewing activities, like birdwatching.
On the 6th day of #Carpmas, Black Carp reduced essential biodiversity in the Great Lakes!
Black Carp would compete for food and have negative impacts on native populations of fishes, turtles, birds, raccoons, otters and muskrats.
Black Carp would compete for food and have negative impacts on native populations of fishes, turtles, birds, raccoons, otters and muskrats.
December 19, 2025 at 2:54 PM
On the 6th day of #Carpmas, Black Carp reduced essential biodiversity in the Great Lakes!
Black Carp would compete for food and have negative impacts on native populations of fishes, turtles, birds, raccoons, otters and muskrats.
Black Carp would compete for food and have negative impacts on native populations of fishes, turtles, birds, raccoons, otters and muskrats.
On the 5th day of #Carpmas, Silver Carp interrupted recreational activities!
Silver Carp can jump up to 3m out of the water when startled by boat noise, which can cause injuries while out on the water.
Silver Carp can jump up to 3m out of the water when startled by boat noise, which can cause injuries while out on the water.
December 18, 2025 at 2:27 PM
On the 5th day of #Carpmas, Silver Carp interrupted recreational activities!
Silver Carp can jump up to 3m out of the water when startled by boat noise, which can cause injuries while out on the water.
Silver Carp can jump up to 3m out of the water when startled by boat noise, which can cause injuries while out on the water.
On the 4th day of #Carpmas, Bighead Carp outcompeted and caused decreased population sizes of native planktivores. species such as Alewife, Bloater, Cisco and Rainbow Smelt.
This will impact predatory fishes which consume those species: Yellow Perch, Lake Trout, Walleye, Large and Smallmouth Bass.
This will impact predatory fishes which consume those species: Yellow Perch, Lake Trout, Walleye, Large and Smallmouth Bass.
December 17, 2025 at 2:22 PM
On the 4th day of #Carpmas, Bighead Carp outcompeted and caused decreased population sizes of native planktivores. species such as Alewife, Bloater, Cisco and Rainbow Smelt.
This will impact predatory fishes which consume those species: Yellow Perch, Lake Trout, Walleye, Large and Smallmouth Bass.
This will impact predatory fishes which consume those species: Yellow Perch, Lake Trout, Walleye, Large and Smallmouth Bass.
On the 3rd day of #Carpmas, Black Carp ate native freshwater mollusks (mussels, snails), many of which are species at risk!
#InvasiveCarp #InvasiveSpecies
#InvasiveCarp #InvasiveSpecies
December 16, 2025 at 2:33 PM
On the 3rd day of #Carpmas, Black Carp ate native freshwater mollusks (mussels, snails), many of which are species at risk!
#InvasiveCarp #InvasiveSpecies
#InvasiveCarp #InvasiveSpecies
#Carpmas! Grass Carp can eat ~40% of their body weight in aquatic plants each day and only digest about half. As few as 10 fish per hectare may cut wetland vegetation by ~50%, stirring up sediment and making water murkier in the process.
December 15, 2025 at 2:43 PM
#Carpmas! Grass Carp can eat ~40% of their body weight in aquatic plants each day and only digest about half. As few as 10 fish per hectare may cut wetland vegetation by ~50%, stirring up sediment and making water murkier in the process.
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
Reports can be sent to EDDMapS.org.
#GrassCarp #InvasiveCarp #InvasiveSpecies #GreatLakes #EDDMapS #Fishing
December 12, 2025 at 6:58 PM
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
Reports can be sent to EDDMapS.org.
#GrassCarp #InvasiveCarp #InvasiveSpecies #GreatLakes #EDDMapS #Fishing
Clear photos + GPS power rapid response. 📷 Head from above showing the upper lip. 🐟 Full side on a flat surface with a ruler if possible. Add date, waterbody, contact, and upload original files. Report at EDDMapS.org. More at InvasiveCarp.ca
#GreatLakes #Fishing #Invasive #InvasiveSpecies
#GreatLakes #Fishing #Invasive #InvasiveSpecies
December 9, 2025 at 7:24 PM
Clear photos + GPS power rapid response. 📷 Head from above showing the upper lip. 🐟 Full side on a flat surface with a ruler if possible. Add date, waterbody, contact, and upload original files. Report at EDDMapS.org. More at InvasiveCarp.ca
#GreatLakes #Fishing #Invasive #InvasiveSpecies
#GreatLakes #Fishing #Invasive #InvasiveSpecies
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
📷 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
December 5, 2025 at 3:15 PM
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
📷 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: torpedo body, no barbels, upper lip visible from above. Common Carp: barbels present, deeper body, longer dorsal fin. Take a top-down head pic and a full side pic, then report at EDDMapS.org
☑ Upper lip
☑ Body shape/barbels
#GreatLakes #Fishing #Invasive #ProtectOurWaters
☑ Upper lip
☑ Body shape/barbels
#GreatLakes #Fishing #Invasive #ProtectOurWaters
December 1, 2025 at 7:06 PM
Grass Carp: torpedo body, no barbels, upper lip visible from above. Common Carp: barbels present, deeper body, longer dorsal fin. Take a top-down head pic and a full side pic, then report at EDDMapS.org
☑ Upper lip
☑ Body shape/barbels
#GreatLakes #Fishing #Invasive #ProtectOurWaters
☑ Upper lip
☑ Body shape/barbels
#GreatLakes #Fishing #Invasive #ProtectOurWaters
Winter watch tip: check quiet pools and warm outflows. If you see Grass Carp, photograph the upper lip from above, add a side shot, length, and GPS. Learn: InvasiveCarp.ca Report: EDDMapS.org #GreatLakes #Fishing #GrassCarp #InvasiveSpecies #Ontario
November 26, 2025 at 3:20 PM
Winter watch tip: check quiet pools and warm outflows. If you see Grass Carp, photograph the upper lip from above, add a side shot, length, and GPS. Learn: InvasiveCarp.ca Report: EDDMapS.org #GreatLakes #Fishing #GrassCarp #InvasiveSpecies #Ontario
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
Learn more at invasivecarp.ca
🎯 Know the lifecycle. Stop the spread early.
📢 Report sightings: eddmaps.org
#Fishing #ProtectOurLakes #InvasiveCarp #GreatLakes #GrassCarp
November 24, 2025 at 2:51 PM
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
Learn more at invasivecarp.ca
🎯 Know the lifecycle. Stop the spread early.
📢 Report sightings: eddmaps.org
#Fishing #ProtectOurLakes #InvasiveCarp #GreatLakes #GrassCarp