Warming seas could jeopardize fish
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Rapidly warming ocean temperatures in some parts of the world could be pushing some fish species to the limit, stunting their growth, increasing stress and raising the risk of death, a study shows.
An Australian study focused on the long-lived fish species called the banded morwong in the Tasman Sea, between Australia and New Zealand. Scientists, using current and long-term data, found that the morwong's growth in some areas has been slowed by a jump in sea surface temperatures of nearly 2 degrees Celsius over the past 60 years in the Tasman Sea, one of the most rapid increases in the southern hemisphere's oceans.
The results have implications for other fish species, including commercial fisheries, as seas heat up and become more acidic, affecting coral reefs and multi-billion dollar fisheries dependent on them.
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