首次记录主要穴居小龙虾的亮氨酸：Distocambarus crackeri Hobbs&Carlson，1983年（十足目：Astacidae:Cambaridae），来自美国南卡罗来纳州

IF 1.2 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY

Journal of Crustacean Biology Pub Date : 2023-08-01 DOI:10.1093/jcbiol/ruad043

Megan B Stubbs, Hogan D Wells, Zanethia C. Barnett, M. Kendrick, Zachary J. Loughman, Zackary A. Graham

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引用次数: 0

摘要

山前草原穴居小龙虾，Distocambarus crocrkeri Hobbs & Carlson, 1983，是美国南卡罗来纳州特有的主要穴居小龙虾。该物种是分布最广泛和被研究的五种Distocambarus Hobbs, 1981。调查已经澄清了物种分布和栖息地，但是，像其他穴居小龙虾一样，我们对其生态的了解还很缺乏。我们报告了2022年3月14日在南卡罗莱纳州埃奇菲尔德县路边沟渠的一个短暂水池中发现的两个leucistic D. crockeri标本。据我们所知，我们的发现是第一个有文献记载的穴居小龙虾白色化的案例。我们讨论了这一观察与其他记录的小龙虾颜色异常的观察结果的意义，以及潜在的环境原因。

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First record of leucism in a primary burrowing crayfish: Distocambarus crockeri Hobbs & Carlson, 1983 (Decapoda: Astacidea: Cambaridae) from South Carolina, USA

The piedmont prairie burrowing crayfish, Distocambarus crockeri Hobbs & Carlson, 1983, is a primary burrowing crayfish endemic to South Carolina, USA. The species is the most widely distributed and studied of the five species of Distocambarus Hobbs, 1981. Surveys have clarified the species distribution and habitat, but, like other burrowing crayfishes, our understanding of its ecology is lacking. We report the discovery of two leucistic specimens of D. crockeri collected in an ephemeral pool in a roadside ditch on 14 March 2022 in Edgefield County, South Carolina. To the best of our knowledge, our discovery represents the first documented case of leucism in a primary burrowing crayfish. We discuss the significance of this observation in relation to other recorded observations of color anomalies throughout crayfishes as well as potential environmental causes of leucism.

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来源期刊

Journal of Crustacean Biology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Crustacean Biology is the official journal of The Crustacean Society, publishing peer-reviewed research on all aspects of crustacean biology and other marine arthropods. Papers are published in English only, but abstracts or summaries in French, German, Portuguese, or Spanish may be added when appropriate.