A study released Thursday found that the spineless creatures are becoming the dominant predator in areas where fish species are being reduced by overfishing and habitat destruction.Its not just that reduced competition is giving the jellyfish more room. The jellyfish themselves are evolving into bigger specimens by increasing the water content in their gels, the study concluded.
via Bigger jellyfish inheriting the ocean, study finds – World news – World environment – msnbc.com.