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Research Document 2018/048

Canadian Environmental Protection Act Indirect Human Health Assessment Report on Gymnocorymbus ternetzi CGT2016

By Ali, K. and Dugan, S.

Abstract

An indirect human health risk assessment was conducted on Gymnocorymbus ternetzi CGT2016 that was notified under the Canadian Environmental Protection Act (CEPA). This risk assessment examined the potential for CGT2016 to cause harmful effects to humans in Canada relative to wild-type G. ternetzi as a consequence of environmental exposure, including exposure in natural environments and environments under its intended use (i.e., home aquaria). CGT2016 is a genetically modified line of diploid, hemizygous or homozygous, long- or regular-fin, Black Tetra fish, containing a fluorescent green protein. G. ternetzi CGT2016, which appear green under ambient light, including sunlight, will be imported from the United States for use as an ornamental fish in home aquaria. The notified line has been commercially marketed as an aquarium fish throughout the United States except California since 2012, and in California since 2015 without any reported incidents. The parental strain, G. ternetzi, has been available as a home aquarium fish since at least 1950. There is no evidence to suggest a risk of adverse human health effects at the exposure levels predicted for the general Canadian population from use as an ornamental aquarium fish as well as other identified potential uses. As such, there is no expectation that CGT2016 poses any more risk to human health than wild-type G. ternetzi.

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