Source: SicenceAlert
March 9, 2012

"Being a great dad can mean starving to protect the kids, putting up with a jealous spouse - and often, dying young. At least, if you're a cardinalfish.

A survival strategy that has been a triumphant success for cardinalfishes for going on 50 million years could come unstuck under rapid global warming, scientists from the ARC Centre of Excellence for Coral Reef Studies and James Cook University have found.

"We studied how cardinalfishes have evolved over millions of years and found that these mouthbrooders haven't changed much - their jaw cavities have become larger for keeping more young in their mouths, and their colours are different, but that's about it," explains Professor David Bellwood, a researcher in the study."

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