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First record of Bombina variegata (Linnaeus, 1758) at the southern part of Euboea Island, Greece Bombina variegata (Linnaeus, 1758) 在希腊尤博亚岛南部的首次记录
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2024-01-12 DOI: 10.3897/herpetozoa.37.e115750
Panayiotis Pafilis, Grigoris Kapsalas
The herpetofauna of Greek islands is fairly well known. However, new records enhance our knowledge of the insular distribution of reptiles and amphibians. Here, we report a new addition to the herpetofauna of Euboea Island: a dense population of the yellow-bellied toad (Bombina variegata) was found in Ochi Mountain, at the south part of the Island.
希腊岛屿上的爬行动物相当有名。然而,新的记录增加了我们对爬行动物和两栖动物岛屿分布的了解。在此,我们报告了尤博亚岛爬行动物的一个新发现:在该岛南部的奥奇山(Ochi Mountain)发现了一个密集的黄腹蟾蜍(Bombina variegata)种群。
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引用次数: 0
The validity of Rana bannanica Rao & Yang, 1997 (Anura, Ranidae) Rana bannanica 的有效性 Rao & Yang, 1997 (Anura, Ranidae)
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2024-01-11 DOI: 10.3897/herpetozoa.37.e114263
Shuo Liu, Tan Van Nguyen, Nikolay A. Poyarkov, Qiaoyan Wang, Dingqi Rao, Song Li
One specimen of frog was collected from Mohan Town, Mengla County, Xishuangbanna Prefecture, Yunnan Province, China, which is the type locality of Rana bannanica Rao & Yang, 1997, currently considered as a junior synonym of Hylarana milleti (Smith, 1921). This specimen well agrees with the original description of R. bannanica. In regard to morphology, R. bannanica and H. milleti are, indeed, very similar, but can still be distinguished from each other. Phylogenetic analysis, based on mitochondrial gene sequences, showed that this specimen and H. milleti are different species. Hence, we remove R. bannanica from the synonymy of H. milleti.
一个蛙类标本采集于中国云南省西双版纳州勐腊县磨憨镇,这是 Rana bannanica Rao & Yang, 1997 的模式产地,目前被认为是 Hylarana milleti (Smith, 1921) 的初级异名。该标本与 R. bannanica 的原始描述十分吻合。在形态方面,R. bannanica 和 H. milleti 确实非常相似,但仍然可以相互区分。基于线粒体基因序列的系统进化分析表明,该标本与 H. milleti 是不同的物种。因此,我们将 R. bannanica 从 H. milleti 的同义词中删除。
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引用次数: 0
Reproductive effort of Plestiodon copei (Squamata, Scincidae), a highland viviparous lizard from Central Mexico 墨西哥中部高原胎生蜥蜴 Plestiodon copei(有鳞目,蝎科)的繁殖努力
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2024-01-08 DOI: 10.3897/herpetozoa.37.e111749
Hermilo Sánchez-Sánchez, Adriana Jocelyn Morales-Gonzaga, Ken Oyama, J. Carlos Alvarado-Avilés
Female reproductive effort is defined as the proportion of total energy or resources devoted to reproduction. In reptiles, there is frequently high inter- and intra-population variation related to several factors, such as food availability, climatic conditions, age and size, all of which, in turn, also influence survival and future reproduction. The present study is the first reproductive effort analysis of a population of the high-mountain scincid lizard Plestiodon copei in central Mexico, focusing on relative litter mass (RLM), investment per capita (INV) and productivity (PROD). We also compared the reproductive efficacy of P. copei to those of other Mexican congeners. We collected 24 gravid females of P. copei over a 4-year period and recorded a total of 90 neonates born in captivity. We found significant variation in neonatal mass amongst individual females and across years. We recorded an average litter size of 3.75 and an average litter mass of 1.25 g, which were positively correlated with both the size and total mass of the reproductive females. The RLM, INV and PROD values (0.301, 0.428 g and 1.236 g × year-1, respectively) for P. copei were greater than those for other Mexican species in the P. brevirostris group (0.290, 0.412 g and 1.135 g × year-1), revealing that females of P. copei from Tenango invest a comparatively high amount of their resources in reproduction.
雌性繁殖力是指用于繁殖的能量或资源占总能量或资源的比例。在爬行动物中,种群间和种群内的差异经常很大,这与多种因素有关,如食物的可获得性、气候条件、年龄和体型,所有这些因素反过来也会影响生存和未来的繁殖。本研究是首次对墨西哥中部高山鳞蜥 Plestiodon copei 种群的繁殖努力进行分析,重点关注相对产仔数(RLM)、人均投资(INV)和生产率(PROD)。我们还比较了 P. copei 与墨西哥其他同种蜥蜴的繁殖效率。我们收集了 24 只在 4 年内怀孕的雌性 P. copei,并记录了在人工饲养条件下出生的 90 只新生儿。我们发现,雌性个体之间以及不同年份之间的新生儿体重差异很大。我们记录的平均产仔数为 3.75 头,平均产仔质量为 1.25 克,这与繁殖雌性的体型和总质量呈正相关。Copei的RLM值、INV值和PROD值(分别为0.301、0.428克和1.236克×年-1)均大于P. brevirostris组中其他墨西哥物种的RLM值、INV值和PROD值(分别为0.290、0.412克和1.135克×年-1),这表明Tenango的雌性P.
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引用次数: 0
Migration strategy of the Great crested newt (Triturus cristatus) in an artificial pond 人工池塘中大冠蝾螈的迁徙策略
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2023-12-28 DOI: 10.3897/herpetozoa.36.e112826
Lukáš Weber, Jan Růžička, Ivan H. Tuf, Martin Rulík
In animals, migration is an evolutionary adaptation to manage seasonally varying habitats. Often driven by climatic changes or resource availability, amphibians then migrate from their hibernation sites to their breeding grounds. This research focused on the migratory habits of the Great crested newt (Triturus cristatus). The study explored factors like gender, body size, and environmental determinants, noting that immigration and emigration events proved distinct during the year. Results unveiled that males typically reached ponds first, with temperature being pivotal: males preferred up to 5 °C, females around 10 °C, while juveniles moved as temperatures increase. Wind velocity affected larger newts, around 120 mm, prompting them to migrate with stronger winds. Notably, heavy rainfall favored migration of newts of roughly 60 mm size. Humidity displayed gender-based trends: males associated positively with average levels, females showed aversion above 50%, and juveniles leaned towards drier conditions. Emigration patterns mirrored these findings, emphasizing roles of temperature, wind, and humidity. The effect of moonlight is not statistically significant. These findings provide valuable insights into the environmental factors influencing the migration of T. cristatus, which may guide future conservation efforts.
在动物中,迁徙是一种进化适应,以管理季节性变化的栖息地。通常在气候变化或资源可用性的驱动下,两栖动物会从冬眠地迁徙到繁殖地。这项研究的重点是大冠蝾螈(Triturus cristatus)的迁徙习性。研究探讨了性别、体型和环境决定因素等因素,并注意到迁徙和迁出事件在一年中是截然不同的。研究结果表明,雄性蝾螈通常最先到达池塘,而温度是关键因素:雄性蝾螈喜欢温度在5 °C以下,雌性蝾螈喜欢温度在10 °C左右,而幼年蝾螈则随着温度的升高而迁移。风速对120毫米左右的大型蝾螈有影响,促使它们随强风迁徙。值得注意的是,大雨有利于体型约为 60 毫米的蝾螈迁移。湿度显示了基于性别的趋势:雄性蝾螈与平均湿度水平呈正相关,雌性蝾螈对超过 50%的湿度表示厌恶,而幼年蝾螈则倾向于更干燥的环境。迁移模式反映了这些发现,强调了温度、风和湿度的作用。月光的影响没有统计学意义。这些发现为我们深入了解影响褐马鸡迁徙的环境因素提供了宝贵的资料,可为今后的保护工作提供指导。
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引用次数: 0
Geographic distribution of the rare and endangered Telmatobufo venustus (Philippi, 1899) (Anura, Calyptocephalellidae), with the description of a new locality and comments on the type locality 稀有和濒危的 Telmatobufo venustus (Philippi, 1899) (Anura, Calyptocephalellidae) 的地理分布,以及新地点的描述和对模式产地的评论
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2023-12-22 DOI: 10.3897/herpetozoa.36.e107328
Claudio Correa, José Ignacio Osses, J. Morales, Juan Carlos Ortiz
Telmatobufo venustus was one of the rarest endemic amphibians of Chile until 2020. Prior to that year, this species had been known in four localities, three of them with uncertain location, including the type locality. However, three new precise localities have been reported successively since 2020, all based on a few individuals. In this study, we review the geographic information on the species and, based on literature and other documents, tentatively locate the three localities with uncertain location published before 2020. Furthermore, we describe a new locality near the uncertain southern end of its distribution. Although the number of localities has considerably increased since 2020, the species still has a highly fragmented known distribution, its type locality and southern limit cannot be located with certainty, and it is found in only two state-protected areas. Due to these reasons and because threats to the habitat have been identified in some localities, we suggest keeping the species as Endangered.
在 2020 年之前,Telmatobufo venustus 一直是智利最稀有的特有两栖动物之一。在这一年之前,该物种已知有四个地点,其中三个地点不确定,包括模式产地。然而,自 2020 年以来,又陆续报告了三个新的确切地点,均以少数个体为基础。在本研究中,我们回顾了该物种的地理信息,并根据文献和其他文件,初步确定了 2020 年之前公布的三个不确定地点。此外,我们还描述了靠近其分布不确定的南端的一个新地点。尽管自 2020 年以来,该物种的分布地数量已大幅增加,但其已知分布仍然非常零散,其模式产地和南端分布区无法确定,而且仅在两个国家保护区内发现该物种。由于这些原因,并且在一些地方发现了对栖息地的威胁,我们建议将该物种保留为濒危物种。
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引用次数: 0
Redescription of Rhacophorus tuberculatus (Anderson, 1871) and the validity of Rhacophorus verrucopus Huang, 1983 Rhacophorus tuberculatus (Anderson, 1871) 的重新描述和 Rhacophorus verrucopus 的有效性 Huang, 1983
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2023-12-22 DOI: 10.3897/herpetozoa.36.e113656
R. Naveen, Shuo Liu, S. Chandramouli, S. Babu, P. Karunakaran, H. N. Kumara
Rhacophorus tuberculatus and Rhacophorus verrucopus are two morphologically similar species described in 1871 and 1983 respectively. Their taxonomic distinctiveness has been questioned in the past. In the current study, we encountered frogs that we confer to R. tuberculatus based on morphological similarity to a syntype of this species. We redescribe the species based on a re-examination of a syntype, which is designated as a lectotype here, and additional specimens from Garo hills of Meghalaya. We also present molecular data, natural history notes, and report a range extension of this species. Molecular phylogenetic analysis based on the 16S rRNA fragment revealed minimal genetic divergences (0.20–1.74% uncorrected p-distance) between specimens identified as either R. tuberculatus or R. verrucopus from different locations. On the basis of molecular data and morphological characteristics, we conclude that R. verrucopus is a junior synonym of R. tuberculatus.
Rhacophorus tuberculatus 和 Rhacophorus verrucopus 是分别于 1871 年和 1983 年描述的两个形态相似的物种。它们在分类学上的独特性过去一直受到质疑。在目前的研究中,我们遇到了一些蛙类,根据它们与 R. tuberculatus 的同种异形的形态相似性,我们将它们归入 R. tuberculatus。我们根据对一个合模式标本(在此被指定为讲座模式)的重新研究,以及来自梅加拉亚邦加罗山的其他标本,对该物种进行了重新描述。我们还提供了分子数据、自然史笔记,并报告了该物种的分布范围。基于 16S rRNA 片段的分子系统发育分析表明,不同地点的 R. tuberculatus 或 R. verrucopus 标本之间的遗传差异极小(0.20-1.74% 未校正 p-distance)。根据分子数据和形态特征,我们认为 R. verrucopus 是 R. tuberculatus 的初级异名。
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引用次数: 0
Range dynamics of Walterinnesia morgani (Serpentes, Elapidae) during climatic oscillations in Iran 伊朗气候振荡期间 Walterinnesia morgani(蛇类,Elapidae)的分布动态
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2023-12-18 DOI: 10.3897/herpetozoa.36.e107947
Ali Gholamifard, Mehmet Kürşat Şahin
Reptiles have a crucial part in maintaining global biodiversity and the functioning of dynamic ecosystems, owing to their ecological roles and functions. Nevertheless, these organisms are susceptible to human-induced disruptions and the deterioration of their habitats, leading to their categorization as the third most endangered group of vertebrates on a global scale. Understanding the spatial distribution of reptiles is crucial due to their often specific habitat needs and limited vagility. Morgan’s black cobra (Walterinnesia morgani) is a secretive venomous snake species that has thus far received little attention in Iranian scientific literature. The aim of the present study was to determine the existing distribution pattern of the cobra and to speculate on how climatic changes might affect it. Maximum entropy modeling was used to examine a dataset consisting of 16 occurrence records gleaned from field observations and the literature. The niche of the species was predicted using current and future climate change forecasts and bioclimatic and topographical characteristics. The models predicted a future reduction in the wide distribution region of W. morgani in southern and western Iran. It was discovered that climatic factors like temperature range, precipitation dynamics, and river proximity all played a key role in shaping the pattern of distribution. The predicted suitable areas for W. morgani were dependent on water sources; however, future scenarios showed a decline in suitable habitats. This study underscores the importance of conservation efforts in light of the potential implications of climate change on this species. To further understand the range shifts and adaptive strategies of the species, further study of its ecology and dispersal dynamics is required.
爬行动物由于其生态作用和功能,在维持全球生物多样性和动态生态系统的运作方面发挥着至关重要的作用。然而,这些生物很容易受到人类活动的干扰,栖息地也很容易恶化,因此它们被列为全球第三大濒危脊椎动物。由于爬行动物通常需要特定的栖息地,而且活动能力有限,因此了解它们的空间分布至关重要。摩根黑眼镜蛇(Walterinnesia morgani)是一种神秘的毒蛇物种,迄今为止在伊朗的科学文献中很少受到关注。本研究旨在确定眼镜蛇的现有分布模式,并推测气候变化可能对其产生的影响。本研究采用最大熵模型对从实地观察和文献中收集到的 16 条出现记录组成的数据集进行了研究。利用当前和未来的气候变化预测以及生物气候和地形特征对该物种的生态位进行了预测。模型预测,未来伊朗南部和西部莫甘尼鸦雀的广泛分布区域将缩小。研究发现,温度范围、降水动态和河流邻近性等气候因素在形成分布模式方面都起到了关键作用。根据预测,莫甘尼蛙的适宜区域取决于水源;然而,未来的情况表明,适宜的栖息地会减少。鉴于气候变化对该物种的潜在影响,这项研究强调了保护工作的重要性。为了进一步了解该物种的分布范围变化和适应策略,需要进一步研究其生态学和扩散动力学。
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引用次数: 0
Taxonomic status of Lycodon subcinctus sensu lato in China (Serpentes, Colubridae) Taxonomic中国浅纹蛇蛉的现状(蛇形目,蛇科)
IF 0.9 4区 生物学 Q3 ZOOLOGY Pub Date : 2023-11-30 DOI: 10.3897/herpetozoa.36.e114206
Shuo Liu, Mian Hou, Bo Cai, Shimin Li, Zhongxu Zhang, Rui Yu, Dingqi Rao, Liang Zhang
The Malayan Banded Wolf Snake Lycodon subcinctus Boie, 1827 once included three subspecies, namely L. s. subcinctus Boie, 1827, L. s. sealei Leviton, 1955, and L. s. maculatus (Cope, 1985). Thereafter, L. s. sealei has been elevated to species level, and the taxonomic status of L. s. maculatus has not been resolved. We sequenced the mitochondrial cytochrome b (cytb) gene fragments of eight specimens of L. s. maculatus from China, including three from the adjacent areas of its type locality. Combining the sequences obtained from GenBank, we reconstructed a molecular phylogeny and reevaluated the taxonomic status of L. s. maculatus. Phylogenetic analysis revealed three highly divergent lineages within L. subcinctus sensu lato which correspond to L. subcinctus sensu stricto, L. sealei, and L. s. maculatus, respectively. Coupled with morphological comparison, we elevate L. s. maculatus to full species and redescribe it based on the type and freshly collected material.
The马来亚带狼蛇Lycodon subcinctus Boie, 1827曾包括三个亚种,即l.s. subcinctus Boie, 1827, l.s. sealei Leviton, 1955和l.s. maculatus (Cope, 1985)。此后,海棠的分类地位上升到物种水平,而斑纹海棠的分类地位一直没有得到解决。对8份中国黄斑l.s maculatus标本的线粒体细胞色素b (cytb)基因片段进行了测序,其中3份标本来自其型地邻近地区。结合从GenBank中获得的序列,我们重建了一个分子系统发育,并重新评估了该物种的分类地位。系统发育分析结果显示,在长尾绵猴中存在3个高度分化的分支,分别对应于窄尾绵猴、海纹绵猴和斑纹绵猴。结合形态比较,我们将其提升为全种,并根据其类型和新采集的资料对其进行重新描述。
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引用次数: 0
Neotype designation and redescription of Gloydius shedaoensis qianshanensis Li, 1999 (Squamata, Serpentes, Viperidae) 黔山蛇形格洛伊乌斯新型的命名与重新描述李氏,1999(鳞片目,蛇形目,蝰蛇科)
4区 生物学 Q3 ZOOLOGY Pub Date : 2023-10-20 DOI: 10.3897/herpetozoa.36.e106943
Xian-Chun Qiu, Xiao-Ping Wang, Shuo Qi, Jin-Ze Wang, Zu-Yao Xia, Hao-Tian Wang, Sheng-Bo Zhou, Guo-Xu Yu, Zhong-Xun Wu, Jing-Song Shi, Pi-Peng Li
The taxonomic status of Gloydius shedaoensis qianshanensis Li, 1999 has long been debated due to its narrow distribution range, low population, loss of type specimens, and lack of detailed descriptions. Neotypes were designated based on newly collected specimens in the Qianshan Mountain area, detailed comparisons between G. s. shedaoensis , and G. s. qianshanensis were recorded, while we redescribed G. s. qianshanensis . PCA results based on the external morphology of the two subspecies of G. shedaoensis demonstrate the inter-population distinction of G. s. shedaoensis and G. s. qianshanensis , including head length, and dorsoventral-postorbital stripe width. Additionally, the ecological data of G. s. qianshanensis were recorded as supplements while providing further conservation strategies.
黔山Gloydius shedaoensis Li, 1999由于其分布范围窄、种群数量少、模式标本丢失、缺乏详细描述等原因,其分类地位一直存在争议。根据在千山地区新采集到的标本,确定了新类型,并详细比较了千山g.s. sheaoensis和g.s. qianshanensis,同时对千山g.s.进行了重新描述。基于两个亚种形态特征的主成分分析结果表明,两种物种在头长、背腹后纹宽等方面存在显著差异。此外,还记录了千山白杨的生态数据,为进一步的保护策略提供了补充。
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引用次数: 0
Notes on the pattern of head size in the Philippine Spotted Flying Lizard, Draco spilopterus (Weigmann, 1834), within Luzon Biogeographic Region, Philippines 菲律宾吕宋岛生物地理区内菲律宾斑飞蜥蜴(Draco spilopterus, Weigmann, 1834)头部大小模式的注释
4区 生物学 Q3 ZOOLOGY Pub Date : 2023-10-20 DOI: 10.3897/herpetozoa.36.e90412
Michael A. Tabug, Levy V. Necesito, Arvin C. Diesmos
Sexual head dimorphism is a condition where head morphology of male and female of the same species differ, which provides an additional way to recognise sex for species identification. Fifty four adult Philippine Spotted Flying Lizards, Draco spilopterus , were examined from four populations in the Luzon Island, Philippines to assess whether head morphometry can drive sexual dimorphism. We identified the sex and measured five morphometric measurements of the head (jaw length, jaw width, head height, head length, head width) and snout-vent length. A univariate analysis of the five morphometric measurements showed clear sexual dimorphism. Considering all individuals, female heads are significantly larger than those of males (all p-values < 0.05). We also revealed major differences in head size amongst the four populations due to their geographical location and habitat differences.
性头二态性是指同一物种中雄性和雌性的头部形态不同,这为物种鉴定提供了另一种识别性别的方法。对菲律宾吕宋岛4个种群的54只成年菲律宾斑点飞蜥(Draco spilopterus)进行了研究,以评估头部形态测定是否能驱动两性二态性。我们确定了性别,并测量了头部的五种形态测量(颚长、颚宽、头高、头长、头宽)和口长。五种形态测量的单变量分析显示出明显的两性二态性。考虑到所有个体,女性头部明显大于男性头部(所有p值<0.05)。我们还发现,由于地理位置和栖息地的差异,四个种群在头大小上存在重大差异。
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引用次数: 0
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Herpetozoa
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