The first record of Australian flatback mangrove goby Mugilogobius platynotus (Günther 1861) (Gobiidae; Tridentigerinae) from New Zealand

IF 1.4 4区环境科学与生态学 Q3 FISHERIES

New Zealand Journal of Marine and Freshwater Research Pub Date : 2022-05-19 DOI:10.1080/00288330.2022.2074059

C. Roberts, A. Stewart

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引用次数: 0

Abstract

ABSTRACT The eastern Australian flatback mangrove goby Mugilogobius platynotus (Günther 1861) is recorded for the first time from Aotearoa, New Zealand. Three voucher specimens (two males and one female) were collected using fish traps submerged in tidal drains of a saltmarsh wetland edged by mangroves adjacent to Ngunguru River, Northland. Key characters for identification: the colour of freshly thawed specimens, meristic counts, and morphometric measurements are presented and compared with the same characters described by Larson (2001) for all Mugilogobius. We discuss this major range extension from its natural Australian distribution, concluding it is an adventive species, probably carried across the Tasman Sea into New Zealand waters by shipping, not ocean currents. Our analysis of goby species recorded from northern New Zealand mainland waters concludes seven (86%) are probably adventive and introduced from Australia. We recommend a further survey of mangrove and saltmarsh estuary habitats to discover if this new goby has established a breeding population and is expanding its current limited distribution within northern New Zealand.

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澳洲红树林平背虾虎鱼Mugilogobius platynotus (g nther 1861)(虾虎鱼科;产自新西兰的Tridentigerinae)

摘要：澳大利亚东部的平背红树林虾虎鱼Mugilogobius platinotus（Günther 1861）首次记录于新西兰奥特亚。三个凭证标本（两个雄性和一个雌性）是使用淹没在北部Ngunguru河附近红树林边缘盐沼湿地潮汐排水沟中的捕鱼器收集的。鉴定的关键特征：新鲜解冻标本的颜色、分生组织计数和形态测量，并与Larson（2001）描述的所有Mugilogobius的相同特征进行了比较。我们讨论了它在澳大利亚自然分布的主要范围扩展，得出结论认为它是一个冒险物种，可能是通过航运而非洋流穿越塔斯曼海进入新西兰水域的。我们对新西兰北部大陆水域记录的虾虎鱼物种的分析得出结论，其中7种（86%）可能是从澳大利亚引进的外来虾虎鱼。我们建议对红树林和盐沼河口栖息地进行进一步调查，以了解这种新的虾虎鱼是否已经建立了繁殖种群，并正在扩大其目前在新西兰北部的有限分布。

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来源期刊

New Zealand Journal of Marine and Freshwater Research 生物-海洋学

CiteScore

4.50

自引率

12.50%

发文量

审稿时长

3 months

期刊介绍： Aims: The diversity of aquatic environments in the southern continents and oceans is of worldwide interest to researchers and resource managers in research institutions, museums, and other centres. The New Zealand Journal of Marine and Freshwater Research plays an important role in disseminating information on observational, experimental, theoretical and numerical research on the marine, estuarine and freshwater environments of the region.