The marbled spinefoot, Siganus rivulatus (Forsskål&Niebuhr, 1775) was recorded for the first time in Izmit Bay, Sea of Marmara. One specimen was caught on 30 September 2019 by a small scale fisherman at depth of 25 m. The fish measured 151 mm in total length and weighted of 43.45 g. S. rivulatus is one of the Lessepsian immigrants who entered the Mediterranean more than half a century ago, and has now also easily adapted to the Sea of Marmara, which has a unique two‐layered water system.

中文翻译：

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在马尔马拉海（土耳其伊兹密特湾）的Lessepsian鱼Siganus rivulatus（Forsskål和Niebuhr，1775年）的首次记录

大理石的脊柱脚，Siganus rivulatus（Forsskål＆Niebuhr，1775年）首次在马尔马拉海的伊兹密特湾被记录下来。2019年9月30日，一名小规模渔民在25 m深度处捕获了一个标本。这条鱼的总长度为151毫米，重量为43.45克。S. rivulatus是半个多世纪前进入地中海的勒西派移民之一，现在也很容易适应拥有独特的两层水系统的马尔马拉海。