New research is raising more concerns about the potential transfer of diseases from the invasive green crab to lobster in Nova Scotia waters.

"Our worry is there could be a pathogen transfer and it could damage our lobster industry. We are finding at least two pathogens of concern," said research scientist Fraser Clark.

He adds human health is not at risk.

Clark released a study earlier this year showing high levels of a parasite in green crab is being found in areas of southern Nova Scotia where the crab has been introduced as a lobster bait.

He says a bacteria lethal to lobsters has now been found in green crab along the province's Northumberland Strait, the presence of which was only recently confirmed by genomic testing.

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