G. roeselii's mechanism of invasion is still unknown but it is most likely due to human activities such as aquaculture or fish repopulation. G. roeselii were once used as a food source in commercial fisheries, so it is possible that some individuals escaped and were able to populate new areas.
The precise mechanism of invasion by G. roeselii is not yet known but may be related to human activities such as aquaculture or fish repopulation. Historically, G. roeselii was utilized in commercial fisheries; therefore, it's possible that some individuals escaped and established themselves in new regions.