NDLI: Signatures of contamination in invasive round gobies (Neogobius melanostomus): a double strike for ecosystem health?

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Signatures of contamination in invasive round gobies (Neogobius melanostomus): a double strike for ecosystem health?

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Signatures of contamination in invasive round gobies (Neogobius melanostomus): a double strike for ecosystem health?

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Marentette, Julie R. Gooderham, Krista L. McMaster, Mark E. Ng, Tania Parrott, Joanne L. Wilson, Joanna Y. Wood, Chris M. Balshine, Sigal
Spatial Coverage	Ontario
Description	Country affiliation: Canada Author Affiliation: Marentette JR ( Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, ON, Canada. marentjr@mcmaster.ca)
Abstract	The invasive round goby has a recognised role in transferring contaminants through foodwebs, but little work has been done on contaminant impacts on round gobies themselves. Here we present the first case study of contaminant biomarkers and subpopulation structure variation in round gobies, in relation to habitat contamination, within a Canadian Area of Concern, Hamilton Harbour. Copper and cadmium were elevated in livers of fish from contaminated habitats. Although catch abundances were similar across sites, fish were smaller, a greater proportion of fish were female and more males were in reproductive condition in contaminated sites. Fish from contaminated areas showed more fin loss. Males from contaminated sites showed intersex gonads and genitalia. Ethoxyresorufin-o-deethylase (EROD) activity was higher in fish collected near polycyclic aromatic hydrocarbon (PAH)-rich sediments. The results indicate that contaminants impact the characteristics of round goby populations, which could affect ecosystems beyond toxicant biomagnification. This study also confirms that round gobies can be abundant in polluted habitats, which may draw predators-facilitating mobilisation of contaminants in foodwebs.
File Format	HTM / HTML
ISSN	01476513
Issue Number	7
Volume Number	73
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2010-10-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Biological Markers Metabolism Disorders Of Sex Development Chemically Induced Ecosystem Endocrine Disruptors Analysis Environmental Pollutants Perciformes Analysis Of Variance Animals Body Burden Body Weights And Measures Cadmium Toxicity Copper Cytochrome P-450 Cyp1a1 Female Gonads Drug Effects Liver Chemistry Male Nickel Ontario Polycyclic Hydrocarbons, Aromatic Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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Round goby Neogobius melanostomus (Perciformes, Gobiidae): A new species in the ichthyofauna of the Samara River

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Biological impact of environmental polycyclic aromatic hydrocarbons (ePAHs) as endocrine disruptors.

First record of Round goby Neogobius melanostomus (Perciformes, Gobiidae) in the Uglich Reservoir (Volga River Basin)

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Signatures of contamination in invasive round gobies (Neogobius melanostomus): a double strike for ecosystem health?

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Round goby Neogobius melanostomus (Perciformes, Gobiidae): A new species in the ichthyofauna of the Samara River

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

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Signatures of contamination in invasive round gobies (Neogobius melanostomus): a double strike for ecosystem health?