New Evidence for the Contemporary Presence of Juvenile White Sharks (Carcharodon carcharias) in the Adriatic Sea.

IF 2.1 3区 农林科学 Q2 FISHERIES
Fishes Pub Date : 2025-01-08 DOI:10.3390/fishes10010025
Patrick L Jambura, Pero Ugarković, Mišo Pavičić, Ilija Ćetković, Simone Niedermüller, Jürgen Kriwet, Julia Türtscher
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引用次数: 0

Abstract

The presence of the white shark (Carcharodon carcharias) in the Mediterranean Sea is well documented, but mainly through historical and opportunistic records. Historically, the Adriatic Sea, particularly its eastern coastline, was considered a hotspot for white sharks, with relatively frequent reports of juvenile specimens suggesting a potential nursery area. However, since the second half of the 20th century, the abundance of white sharks in the Adriatic has experienced a dramatic decline, with the last confirmed sighting recorded in 2011. In this study, we report the recent capture of a young-of-the-year (YOY) white shark off the Croatian coast, previously misidentified as a porbeagle shark (Lamna nasus). In addition, we revisit historical records of white sharks in the Adriatic Sea to assess whether this region can be considered a nursery area. Our findings highlight significant gaps in the understanding of white shark spatial ecology and reproductive biology in the Mediterranean Sea. Furthermore, this study emphasizes the critical role citizen science and public engagement can play in documenting occurrences of these elusive and endangered predators, offering valuable insights for future conservation efforts.

亚得里亚海当代幼鲨(Carcharodon carcharias)存在的新证据。
白鲨(Carcharodon carcharias)在地中海的存在有很好的文献记载,但主要是通过历史和机会主义的记录。从历史上看,亚得里亚海,特别是其东部海岸线,被认为是白鲨的热点,相对频繁的幼鲨标本报告表明一个潜在的育儿区。然而,自20世纪下半叶以来,亚得里亚海的白鲨数量急剧下降,最后一次确认的目击记录是在2011年。在这项研究中,我们报告了最近在克罗地亚海岸捕获的一条年轻(YOY)白鲨,以前被误认为是鼠鲨(Lamna nasus)。此外,我们回顾了亚得里亚海白鲨的历史记录,以评估该地区是否可以被视为育儿区。我们的研究结果突出了对地中海白鲨空间生态学和生殖生物学的理解存在重大差距。此外,这项研究强调了公民科学和公众参与在记录这些难以捉摸和濒临灭绝的食肉动物的发生中所起的关键作用,为未来的保护工作提供了有价值的见解。
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Fishes
Fishes Multiple-
CiteScore
1.90
自引率
8.70%
发文量
311
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