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Brand: GRUMPY Bait Company

SKU: G013

Price: CAD$7.99

Available Options

* Bait Colors:

Please refer to bait colors below and select the corresponding option here. Last three digits represent the color.

Qty: - +

Grumpy Round Goby is an incredibly realistic imitation of a round goby now found across the Great Lakes region. While round goby are an invasive species and fisheries agencies are trying to control their populations, they have become a primary food source for many sports species including smallmouth bass, largemouth bass, walleye, whitefish, northern pike, lake trout, etc.. The demand for realistic goby baits has been on the rise. To complete our full range of goby baits sizes, we designed Grumpy Round Goby using state-of-the-art 3D software and using the most supple plastics to ensure a realistic look and feel.

Medium goby design is ideal even when fish are in a negative feed state
Anatomically correct head size, body shape and caudle fin design - if it looks like a goby and acts like a goby - fish think its a goby!
Signature Grumpy face seduces fish into an aggressive, dominant strike
Flat-bottom design ensures Grumpy Round Goby remains right-side up
Loaded with our signature HAMMER JUICE
Loaded with hand-ground, sea salt so fish hang on longer
8 pieces per bag

ROUND GOBY COLOR CHART

OUR CUSTOM COLORS

Original, Custom Colors That Set A New Standard in Visual Impact

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Lake Simcoe Goby
(G013-013)

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Lake St. Clair Goby
(G013-032)

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Great Lakes Goby
(G013-075)

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Purple Pearl
(G013-046)

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Guarder Goby
(G013-064)

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Muddy Glow (GLOW + UV Belly)
(G013-056)

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Natural Goby/Chartreuse
(G013-024)

OUR SINGLE COLORS

Color Patterns That Have Proven Themselves Over and Over Again!

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Green Pumpkin Brown
(G013-005)

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Green Pumpkin
(G013-013)

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Pearly Olive
(G013-039)

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Natural Goby/Green
(G018-026)

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Natural Goby/Gold
(G013-027)

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Natural Goby/Purple
(G013-028)

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Copper Back
(G013-012)

GOBY FISHING TECHNIQUES & RIGS

NUMEROUS GOBY FISHING TECHNIQUES

To Help You Optimize Your Bait Presentation

VIDEOS

ROUND Goby

The You See, The More You Learn.

QUESTIONS?

We Are Here to Help!

Why Goby's Should Matter to Great Lakes Anglers!

Isn't It Time You Got Your GRUMPY Goby On?

RESEARCH REFERENCES

Data From Across the Great Lakes, Combined with Angler Knowledge.

1. Changes in growth and diet of smallmouth bass following invasion of Lake Erie by the round goby

Derek P. Crane, Coastal Carolina University
Donald W. Einhouse, New York State Department of Environmental Conservation, January 2016, Journal of Great Lakes Research 42(2)

2. What’s for dinner? Lake Ontario bass indulge on invasive round goby

The Habitat Section of the American Fisheries Society, Brett Culbert, January 23, 2018 · Updated January 16, 2018

3. Comparison of diets for Largemouth and Smallmouth Bass in Eastern Lake Ontario using DNA barcoding and stable isotope analysis

Erich J. H. Nelson, Jeremy Holden, Robert Eves, Bruce Tufts, August 3, 2017

4. Shifting Diets of Lake Trout in Northeastern Lake Michigan

Miles K. Luo, School for Environment and Sustainability, University of Michigan, Charles P. Madenjian, U.S. Geological Survey, Great Lakes Science Center, James S. Diana, School for Environment and Sustainability, University of Michigan, Matthew S. Kornis and Charles R. Bronte, U.S. Fish and Wildlife Service, Green Bay Fish and Wildlife Conservation Office, North American Journal of Fisheries

5. Burbot Growth and Diets in Lakes Michigan and Huron: An Ongoing Shift from Native Species to Round Gobies

Stephen R. henSleR* and david J. J ude, University of Michigan, School of Natural Resources and Environment, J i he, Michigan Department of Natural Resources, American Fisheries Society, 2008

6. Winter distributional overlap facilitates lake whitefish (Coregonus clupeaformis) piscivory on invasive round gobies (Neogobius melanostomus) in Green Bay, Lake Michigan.

Gabrielle Lehrer-Brey and Matthew S. Kornis, Center for Limnology, University of Wisconsin (Received 28 January 2013; final version received 1 May 2013

7. Feeding ecology of the walleye (Percidae, Sander vitreus), a resurgent piscivore in Lake Huron (Laurentian Great Lakes) after shifts in the prey community.

Steven A. Pothoven1 | Charles P. Madenjian2 | Tomas O. Höök3, Aug, 19 2016, Published by John Wiley & Sons Ltd

8. Size preferences and behaviors of native yellow perch foraging on invasive round gobies.

Michael J Weber, John M. Dettmers, David H Wahl, Sergiusz J. Czesny, Journal of Great Lakes Research, Volume 37, Issue 3, September 2011, Pages 584-587

9. Report of the Lake Erie, Forage Task Group, March 2023.

Zak Slagle (co-chair), Heather Luken, Peter Jenkins, Michael Thorn (co-chair), Arthur Bonsall, Tom MacDougall, Jeremy Holden, Jan-Michael Hessenauer, Jim Markham, Mike Hosack, Mark DuFour, Kristen Towne, Forage Task Group. 2023. Report of the Lake Erie Forage Task Group, March 2023. Presented to the Standing Technical, Committee, Lake Erie Committee of the Great Lakes Fishery Commission, Ann Arbor, Michigan, USA.

10. Aquatic invasive species in the freshwater section of the St. Lawrence River.

Isabelle Desjardins, Annick Drouin, Véronik de la Chenelière, Marc Mingelbier, Anne-Marie Pelletier, Marc-Antoine Couillard, Annie Paquet, Olivier Morissette. Published by authority of © Her Majesty the Queen in Right of Canada, represented by the Minister of Environment and Climate Change, 2018

11. Increased piscivory by lake whitefish in Lake Huron.

Pothoven, S.A., and Madenjian, C.P. 2013. N. Am. J. Fish. Manage. 33: 1194-1202. DEVELOPING RESEARCH PRIORITIES FOR LAKE WHITEFISH IN THE UPPER GREAT LAKES: RESULTS OF A WORKSHOP SPONSORED BY THE GREAT LAKES FISHERY TRUST AND GREAT LAKES FISHERY COMMISSION. Michigan State University, February 27-28, 2018

12. Spatial variability of lake trout diets in Lakes Huron and Michigan revealed by stomach content and fatty acid profiles.

Austin Happel, Jory L. Jonas, Paul R. McKenna, Jacques Rinchard, Ji Xiang He, and Sergiusz J. Czesny, Canadian Journal of Fisheries and Aquatic Sciences 29 March 2017

NOTE: Fish identification and related information provided in the links above will redirect you to FISHBUOY Pro website.

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FISHBUOY Pro

FISHBUOY Pro is used by anglers across North America to access real-time weather, water-gauge and marine data as well as logging fish catches. This app is loaded with advanced features that will help you develop trends, create private fishing buddy groups, and record your history of fishing.

Access weather from across North America with a simple touch-of-the-screen
Connect to water gauge and marine buoy data within Canada and the USA to learn about past and current water conditions
Log every fish catch when you take a photo - automatically tags weather, water and fish catch details with everyone photo
Integrates Navionics lake contour maps (must have an active subscription)
Create private fishing buddy groups
Plan your fishing trips by looking at your past catch data

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