Navigation Links
Round Goby invade Great Lakes

Canadian scientists uncover alarming invasion of round goby into Great Lakes tributaries: impact on endangered fishes likely to be serious

A team of scientists from the University of Toronto, the Ontario Ministry of Natural Resources and the University of Guelph has identified a drastic invasion of round goby into many Great Lakes tributaries, including several areas of the Thames, Sydenham, Ausable and Grand Rivers. A number of the affected areas are known as "species-at-risk" hot spots.

"This invasion poses many potential threats for native species of fish and mussels," says Mark Poos, a PhD Candidate in U of T's Department of Ecology and Evolutionary Biology. Poos is lead author of the study published recently in the international journal Biological Invasions. Up to 89 per cent of fish species and 17 per cent of mussel species are either known or suspected to be affected by the goby invasion. Of particular concern is the impact on species that have a conservation designation, including such endangered species as the small eastern sand darter fish and mussels such as the wavy rayed lampmussel.

The Great Lakes and its tributaries are Canada's most diverse aquatic ecosystems, but are also the most fragile, notes Poos. Several of these rivers hold species found nowhere else in Canada, including 11 endangered species and two threatened species. Furthermore, the round goby, an aggressive ground-feeder, is a threat to three globally rare species: the rayed bean, northern riffleshell and snuffbox mussels.


Contact: Kim Luke
University of Toronto

Page: 1

Related biology news :

1. Herbicide diversity needed to keep Roundup effective
2. Researchers from around the globe coming to K-State June 21 for workshop on Fusarium fungus
3. Not 1, but 2 kinds of males found in the invasive round goby
4. Protein linked to change in tissue that surround and support breast tumors
5. Study: Illegal fishing harming present and future New England groundfish fisheries
6. Stanfords Woods Institute awards new round of Environmental Venture Projects
7. Dolphins maintain round-the-clock visual vigilance
8. Tufts students host Earth Day with groundbreaking ceremony for solar house
9. Rising sea levels set to have major impacts around the world
10. Danger lurks underground for oak seedlings
11. Long-term study of orchard ground cover management systems
Post Your Comments:
Related Image:
Round Goby invade Great Lakes
(Date:10/26/2015)... India , October 26, 2015 ... --> adds ... 2015 to 2021 as well as ... 2015-2019 research reports to its collection ... . --> ...
(Date:10/23/2015)... Research and Markets ( ) has ... Biometrics Market 2015-2019" report to their offering. ... global voice recognition biometrics market to grow at a ... --> --> The report, Global Voice ... an in-depth market analysis with inputs from industry experts. ...
(Date:10/22/2015)... (NASDAQ: SYNA ), a leading developer of human interface solutions, ... 2015. --> --> Net ... over the comparable quarter last year to $470.0 million. Net income ... $0.62 per diluted share. --> ... 2016 grew 39 percent over the prior year period to $56.9 ...
Breaking Biology News(10 mins):
(Date:11/25/2015)... -- Studies reveal the differences in species ... the way for more effective treatment for one of the ... --> --> Gum disease ... cats, yet relatively little was understood about the bacteria associated ... conducted by researchers from the WALTHAM Centre for Pet Nutrition ...
(Date:11/25/2015)... , ... November 25, 2015 , ... ... the Organization of Black Aerospace Professionals (OPBAP) has been formalized with the signing ... AMA team leaders met with OPBAP leaders Capt. Karl Minter and Capt. Albert ...
(Date:11/24/2015)... , Nov. 24, 2015  Asia-Pacific (APAC) ... research organisation (CRO) market. The trend of outsourcing ... lower margins but higher volume share for the ... and scale, however, margins in the CRO industry ... (CRO) Market ( ), finds that ...
(Date:11/24/2015)... VANCOUVER , Nov. 24, 2015 /CNW/ - iCo ... ICOTF), today reported financial results for the quarter ... are expressed in Canadian dollars and presented under ... the United States ," said Andrew ... "These advancements regarding iCo-008 are not only value ...
Breaking Biology Technology: