Front cover: Underwater picture of a newly discovered species of giant clam endemic of the south Western Indian Ocean, Tridacna elongatissima, from Masoala Cape, northeast Madagascar (Photo by Serge Andréfouët). DOI: 10.1111/jbi.13797.

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封面：南部西印度洋，巨蛤流行的一个新发现的物种的水下图片砗磲elongatissima，从马苏阿拉普，马达加斯加东北（塞尔Andréfouët照片）。DOI：10.1111 / jbi.13797。