A serious threat affecting the Mediterranean Sea is the migration of Indo-Pacific marine species through the Suez Canal following its opening in 1869. This phenomenon gives extreme causes for concern as many non-indigenous species are highly invasive and seriously threaten native biodiversity. Particularly insidious are small-size taxa such as benthic foraminifera, which are able to invade wide areas un-noticed.

中文翻译：

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Amphistegina 属的空间和垂直分布及其与远洋群岛（地中海中部）本土底栖有孔虫组合的关系

影响地中海的一个严重威胁是 1869 年开通后印度太平洋海洋物种通过苏伊士运河迁徙。这种现象引起了人们的极大关注，因为许多非本地物种具有高度入侵性，严重威胁本地生物多样性。特别阴险的是小型类群，例如底栖有孔虫，它们能够在不被注意的情况下侵入大片区域。