What species of mollusc was found on the flaperon? What is the habitat of that species? How long does it need to be submerged for that kind of growth? Why is

What species of mollusc was found on the flaperon? What is the habitat of that species? How long does it need to be submerged for that kind of growth? Why is Malaysia keeping this information secret? [ http://www.wsj.com/articles/france-looks-to-broaden-its-mh370-probe-through-wreckage-analysis-1438789402 http://www.wsj.com/articles/france-looks-to-broaden-its-mh37... ]