Cover description: A shovelnose ray rests in the sand beneath a jetty. Sharks and rays are a vulnerable group of animals that are traded for food, for medicine, and for their skins. Correspondence articles in this month's issue by Orion Goodman, Jonathan Kolby and Jamie Reaser discuss the challenge of monitoring trade in wild species; and Gerard Ryan and coauthors consider the question of whether ecologists should publicise discoveries of interesting plants and animals that they discover. For many marine organisms, public awareness and the regulation of trade can make the difference between survival and extinction. Photo Credit: G.S. Cumming

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封面描述：一条铲鼻鳐鱼停在码头下的沙子里。鲨鱼和鳐鱼是一类脆弱的动物，它们被交易为食物、药物和皮肤。Orion Goodman、Jonathan Kolby 和 Jamie Reaser 在本月刊中撰写的通信文章讨论了监测野生物种贸易的挑战;以及 Gerard Ryan 和合著者考虑了生态学家是否应该公布他们发现的有趣动植物的发现的问题。对于许多海洋生物来说，公众意识和贸易监管可以决定生存和灭绝。照片来源：G.S. Cumming