LAFAYETTE, La., Sept. 3 -- The University of Louisiana at Lafayette issued the following news release:

Research led by scientists at the University of Louisiana at Lafayette challenges a long-held assumption about the effects of climate change on marine life: warmer oceans won't simply make animals smaller.

Researchers analyzed more than 23,000 species of marine mollusks - the group that includes clams, oysters, snails, squid, octopuses and chitons - and found that body size is projected to decline in most ocean regions by 2100. But those changes are far from uniform. Some groups could shrink dramatically, while others are projected to grow larger.

The peer-reviewed study, "Nonuniform resizing of marine life under climate change," was pu...