Date: June 6, 2019
Source: University of Alberta
A new
model is providing insight into the impact of invasive lionfish on coral reefs
in the Atlantic Ocean and Caribbean Sea. The venomous predatory fish has
invaded more than 7.3 million square kilometres in the Atlantic and Caribbean,
wreaking havoc among native fish populations.
The
method, developed and tested with coral reef fish in the Bahamas through an
international collaboration of scientists in Canada, the United States, and
United Kingdom, is based on the behaviours used by prey to avoid being eaten by
predators that use different hunting tactics.
"Many
scientists have speculated that invasive lionfish are so successful in the
Atlantic because prey don't recognize them as a predator," explained
Stephanie Green, assistant professor in the University of Alberta's Department
of Biological Sciences and lead author.
Stephanie
Green, assistant professor in the Department of Biological Sciences, swims
alongside a lionfish.
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