Global warming not necessarily bad for starfish

Global warming and the concomitant acidification of oceans is not necessarily a bad thing for all marine invertebrates, according to a study published in a recent issue of the Proceedings of the National Academy of Sciences.

Rebecca Gooding, Christopher Harley and Emily Tang studied the ochre sea star (Pisaster ochraceus), a keystone predator found in the intertidal regions along the coasts of western North America.

The authors reared juvenile sea stars in the laboratory at water temperatures ranging from 5–21°C to determine whether growth and feeding rates would increase across the range of water temperatures this species is likely to experience this century throughout much of its geographic range.

practical fishkeeping, 25 June 2009. Full article.

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