巴西首次记录到外来的Indotais lacera（腹足目，鼠科）

Q3 Agricultural and Biological Sciences

Papeis Avulsos de Zoologia Pub Date : 2023-01-23 DOI:10.11606/1807-0205/2023.63.004

Natan C. Pedro, R. Salvador, L. Simone

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引用次数: 0

摘要

生物入侵是当地生物多样性下降的主要原因之一。拉氏印度虫（生于1778年）是一种肉食性腹足纲动物，原产于印度-太平洋。我们展示了巴西海岸的第一个草履虫记录，以及西大西洋的第一个这种入侵物种的记录。这些标本是在巴西东北部巴伊亚州巴伊亚德托多斯桑托斯的两个地方发现的。在萨尔瓦多里贝拉的Itapagipe半岛采集了活标本，在Itaparica岛最北部采集了干样本（空壳）。分子分析表明，在海湾中引入了不止一次草履虫，并提醒注意该物种可能对该地区的底栖生物群落产生的潜在影响。我们怀疑这种外来物种正在影响Thaisella的本地种群，该种群以前在当地数量丰富，但后来变得罕见。

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First record of the exotic Indothais lacera (Gastropoda, Muricidae) in Brazil

Bioinvasions are one of the main causes of the decline of native biodiversity. Indothais lacera (Born, 1778) is a carnivorous gastropod, native to the Indo-Pacific. We present the first records of I. lacera on the Brazilian coast and the first record of this invasive species in the Western Atlantic. The specimens were found in two locations in the Baía de Todos os Santos, Bahia state, northeast of Brazil. Live specimens were collected in the Itapagipe Peninsula, in Ribeira, Salvador, and dry samples (empty shells) were collected in the extreme north of Itaparica Island. Molecular analyses indicate that there was more than one event of introduction of I. lacera in the bay and alert to the potential impacts that this species can have on the benthic community in the region. We suspect that this exotic species is affecting a native population of Thaisella, which was previously locally abundant but has since become rare.

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来源期刊

Papeis Avulsos de Zoologia Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： Papéis Avulsos de Zoologia to publish original contributions in systematics, paleontology, evolutionary biology, ecology, taxonomy, anatomy, behavior, functional morphology, molecular biology, ontogeny, faunistic studies, and biogeography. Its abbreviated title is Pap. Avulsos de Zool. (São Paulo), which should be used in bibliographies, footnotes and bibliographical references and strips.