Acta Zoologica最新文献_第6页

Unravelling genetic structure of the neotropical freshwater crab Sylviocarcinus pictus (Decapoda, Trichodactylidae) along the rapids-dwelling Xingu River, Amazon basin 亚马逊河新谷河流域新热带淡水蟹Sylviocarcinus pictus（十足目，毛足蟹科）遗传结构的研究

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2025-01-05 DOI: 10.1111/azo.12533

F. L. Mantelatto, G. S. Faganello, H. Geremias, R. Robles, C. Magalhães

{"title":"Unravelling genetic structure of the neotropical freshwater crab Sylviocarcinus pictus (Decapoda, Trichodactylidae) along the rapids-dwelling Xingu River, Amazon basin","authors":"F. L. Mantelatto, G. S. Faganello, H. Geremias, R. Robles, C. Magalhães","doi":"10.1111/azo.12533","DOIUrl":"https://doi.org/10.1111/azo.12533","url":null,"abstract":"Sylviocarcinus pictus is a freshwater crab widely distributed across the Amazon basin and coastal basins of northern South America. In the Xingu River basin, Pará, Brazil, the species is found from its middle portion up to the confluence with the Amazon River. This extensive distribution led to questions about the influence of the Volta Grande do Xingu rapids on genetic diversification between populations above and below this area. To explore this hypothesis, 39 mitochondrial gene sequences (COI and 16S rRNA) from 22 samples collected from both areas were analysed in a phylogeographic context. Bayesian Inference and haplotype networks revealed at least two genetically distinct lineages of S. pictus in the Xingu River. The resulting genetic structure found within these populations raised questions about the taxonomic cohesion of the taxon and the potential existence of cryptic species that warrant further investigation. To the best of our knowledge, this is the first molecular study on the genetic structure of a Sylviocarcinus species from the Amazon basin. Given the novelty and the underestimated diversity in this region, we advocate for additional studies on morphological and taxonomic approaches about this taxon to contribute to a future understanding of the evolutionary history of the genus.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"107 1","pages":"37-53"},"PeriodicalIF":1.3,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145646674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The developmental changes in the otolith morphology of four members of the family Scorpaenidae from the Antalya Bay, Mediterranean coast of Türkiye 土耳其地中海沿岸安塔利亚湾四种Scorpaenidae科成员耳石形态的发育变化

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2025-01-05 DOI: 10.1111/azo.12532

Habil Uğur Koca, Seval Bahadir Koca, Laith A. Jawad

{"title":"The developmental changes in the otolith morphology of four members of the family Scorpaenidae from the Antalya Bay, Mediterranean coast of Türkiye","authors":"Habil Uğur Koca, Seval Bahadir Koca, Laith A. Jawad","doi":"10.1111/azo.12532","DOIUrl":"https://doi.org/10.1111/azo.12532","url":null,"abstract":"Otoliths from four species of scorpaenids–Helicolenus dactylopterus (Delaroche, 1809), Scorpaena elongata Cadenat, 1943, Scorpaena notata Rafinesque, 1810, and Scorpaena scrofa Linnaeus, 1758–were collected from Antalya Bay along the Mediterranean coast of Türkiye. The fish were captured using a commercial bottom trawl net with a mesh size of 44 mm (22 mm in the cod end). The fishing grounds varied in depth from 40 to 160 meters. Scanning electron microscopy (SEM) images were utilized to analyse the otoliths’ characteristics. Twenty-one distinct features were defined to describe their shapes. Among these, 8 characteristics were consistent across both juvenile and adult otoliths, while 13 features exhibited developmental variation. The results reveal four types of variations: ontogenetic, interspecific, intraspecific, and sexual dimorphism. A comparison with previously documented otoliths of these species from different regions indicates a uniformity intraspecifically across extensive geographic ranges, suggesting that these characteristics are valuable for identification purposes. The diagnostic features of the otoliths can aid in confirming species identity. Additionally, a SEM-based iconography of the otoliths for all studied species is provided.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"107 1","pages":"1-36"},"PeriodicalIF":1.3,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145646675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Male and female genital structures of Bangasternus planifrons (Coleoptera: Curculionidae: Rhinocyllini) from Turkey: A scanning electron microscope study 土耳其扁尾螯虾雌雄生殖结构的扫描电镜研究（鞘翅目：扁尾螯虾科）

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-12-10 DOI: 10.1111/azo.12530

Cenk Yücel, Neslihan Bal, Didem Coral, Zekiye Suludere

{"title":"Male and female genital structures of Bangasternus planifrons (Coleoptera: Curculionidae: Rhinocyllini) from Turkey: A scanning electron microscope study","authors":"Cenk Yücel, Neslihan Bal, Didem Coral, Zekiye Suludere","doi":"10.1111/azo.12530","DOIUrl":"https://doi.org/10.1111/azo.12530","url":null,"abstract":"Bangasternus planifrons (Brullé, 1832) specimens collected from Ankara-Bala were studied. The paper presents a scanning electron microscopic examination of ultrastructural features of aedeagus and spermatheca of Bangasternus planifrons (Brullé, 1832) (Coleoptera: Curculionidae: Rhinocyllini) from Türkiye for the first time. The fact that Bangasternus is a genus with three species in Türkiye makes the study more important. Accordingly, detailed investigation of aedeagus and spermatheca is very important to obtain new diagnostic characteristics in Bangasternus. The parts which include systematic characters such as spermatheca, genital spicule, sternite eight and coxite figures were drawn in detail and these characters were discussed on species, genera and tribus levels. While significant differences were observed among the species in genital spicula, coxite, stylus and spermateca, a difference that would reveal a genus discrimination character by evaluating these structures could not be obtained according to the available findings. Photos in stereomicroscope and scanning electron microscope are also given in the text.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"106 4","pages":"431-441"},"PeriodicalIF":1.3,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145012845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative morphology of the larval mouthparts among six species of Sphingidae (Insecta: Lepidoptera), with discussions on their diversity 6种鞘科昆虫幼虫口器的形态比较及其多样性探讨

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-12-05 DOI: 10.1111/azo.12529

Tian-Yu Yu, Wan-Xin Cai, Lu Jiang

引用次数: 0

Gill morphology of two killifish species acclimated to the extreme euryhaline environment: A histological and ultrastructural analysis (Actinopterygii: Aphaniidae) 适应极端泛盐环境的两种鳉鱼的鳃形态：组织学和超微结构分析（放线鱼科：鳉科）

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-12-03 DOI: 10.1111/azo.12525

Mina Motamedi, Sanaz Ahmadi, Azad Teimori

{"title":"Gill morphology of two killifish species acclimated to the extreme euryhaline environment: A histological and ultrastructural analysis (Actinopterygii: Aphaniidae)","authors":"Mina Motamedi, Sanaz Ahmadi, Azad Teimori","doi":"10.1111/azo.12525","DOIUrl":"https://doi.org/10.1111/azo.12525","url":null,"abstract":"Killifishes (family Aphaniidae) in southern Iran demonstrate long-time acclimation to extreme euryhaline environments. This study provides a detailed histological and ultrastructural characterization of gill morphology in two sympatric endemic aphaniids, Aphaniops furcatus and Aphaniops hormuzensis, inhabiting an ecologically extreme environment in southern Iran. Specimens were collected from the Khurgu hot-sulphuric spring in the Hormozgan River System which drains into the Persian Gulf, and examined using haematoxylin and eosin (H&E) staining and scanning electron microscopy (SEM). Both species exhibited gill structures typical of teleosts, with primary and secondary lamellae essential for efficient gas exchange. In A. furcatus, gills displayed variations linked to size and gender, with numerous secondary lamellae and a variety of epithelial cells, including squamous, chloride, mucus, blood, and pillar cells. Air exposure led to interlamellar cell masses (ILCM) growth, reducing the lamellae surface area. In A. hormuzensis, gill arches featured a double row of primary filaments with secondary lamellae facilitating oxygen exchange, supported by pillar cells and dense distribution of mucous cells throughout the epithelium. The study highlights the adaptive mechanisms of A. furcatus in response to fluctuating environmental conditions and underscores the evolutionary conservation of gill morphology among teleosts. These findings provide crucial insights into respiratory efficiency and ecological adaptability, emphasizing eco-evolutionary acclimation to extreme aquatic habitats.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"106 4","pages":"378-387"},"PeriodicalIF":1.3,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145012355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The asymmetry in the sagitta of the European eel Anguilla anguilla (Linnaeus, 1758) collected from the Söke District of Aydın Province in Western Anatolia, Türkiye 安圭拉鳗鲡（Linnaeus, 1758）采自西安纳托利亚Aydın省Söke区，<s:1>基耶

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-11-29 DOI: 10.1111/azo.12528

Habil Uğur Koca, Mehmet Cilbiz, Salim Serkan Güçlü, Laith A. Jawad

引用次数: 0

Chin up: A novel functional explanation for the evolution of the chin 下巴向上：对下巴进化的一种新的功能解释

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-11-29 DOI: 10.1111/azo.12527

Victor Benno Meyer-Rochow

引用次数: 0

Scale pattern of five species of Zeiformes (Teleostei) 五种叠形目（遥骨目）的鳞片格局

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-11-23 DOI: 10.1111/azo.12526

Lucas C. Garcia, Cristiano R. Moreira

{"title":"Scale pattern of five species of Zeiformes (Teleostei)","authors":"Lucas C. Garcia, Cristiano R. Moreira","doi":"10.1111/azo.12526","DOIUrl":"https://doi.org/10.1111/azo.12526","url":null,"abstract":"The order Zeiformes comprises a small order of predominantly deep-sea fishes. However, little information is available on their morphology, such as squamation. Therefore, in the present study, we analysed and described the squamation pattern and scale morphology of five species of Zeiformes occurring on the Brazilian coast: Allocyttus verrucosus, Grammicolepis brachiusculus, Xenolepidichthys dalgleishi, Zenion hololepis and Zenopsis conchifer. Our analysis revealed greater morphological diversity than previously reported for this order. All species, except the scaleless Zenopsis conchifer, presented cycloid scales of spinoid subtype. Grammicolepis and Zenion presented exclusively scales of the spinoid subtype, whereas both Allocyttus and Xenolepidichthys also displayed true cycloid subtype. A. verrucosus is characterised by two distinct groups of scales of different sizes that form scale clusters. G. brachiusculus and X. dalgleishi presented a unique vertically elongated scale covering most of the body. Small bony plates were observed at the dorsal- and anal-fin bases of G. brachiusculus, X. dalgleishi and Z. hololepis. The variation observed is putatively useful for the systematics of the order.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"106 4","pages":"388-403"},"PeriodicalIF":1.3,"publicationDate":"2024-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145012056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Morphology and chronology of critical events for early-life history survival of an old word killifish, Esmaeilius shirini (Teleostei: Aphaniidae): A conservation management approach 古鳉早期生活史生存的形态学和关键事件年代学：保护管理方法

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-11-19 DOI: 10.1111/azo.12524

Hamid Reza Esmaeili, Tayebeh Asrar, Golnaz Sayyadzadeh

{"title":"Morphology and chronology of critical events for early-life history survival of an old word killifish, Esmaeilius shirini (Teleostei: Aphaniidae): A conservation management approach","authors":"Hamid Reza Esmaeili, Tayebeh Asrar, Golnaz Sayyadzadeh","doi":"10.1111/azo.12524","DOIUrl":"https://doi.org/10.1111/azo.12524","url":null,"abstract":"In this study, the live cell imaging microscopy of an old word cyprinodontiform fish, the Shirini toothcarp Esmaeilius shirini during its embryogenesis, is described and illustrated for the first time through the detailed morphological description and chronology of the events of all developmental stages (from fertilization to hatching). External fertilization of transparent, spherical, sticky and macrolecithal eggs bearing adhesive filaments with an average diameter of 0.83–1 mm is the first step in the ontogenesis of E. shirini. Embryogenesis continued with a process of meroblastic cleavage (approximately 2 and half h post-fertilization, hpf), formation of blastula (blastulation), gastrula (gastrulation), neurulation, somatogenesis, organ formation (organogenesis) and pre-hatching. The development continued with hatching (a stage between the embryonic and larval periods) at approximately 131 haf (at 24 ± 1°C). The new larvae were about 3.9–5.8 mm in length with distinct fin rays and pigmentation on the head, body and fins. Basic data from this study can be used in forthcoming investigations on the reproduction processes, breeding, behaviour and conservation of E. shirini. Fish development comprises an integrated, ordered and well-mapped sequence of early life-history events controlled by intrinsic and extrinsic factors. Knowledge of fish developmental stages during embryogenesis/ontogeny is essential for a better understanding of their biology, breeding criteria, phylogenetic relationships, dietary requirements, conservation plans, environmental requirements and ecological preferences.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"106 4","pages":"366-377"},"PeriodicalIF":1.3,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145013158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Role of mucous cells in the defence system of the cnidarian Actinia equina (Linnaeus, 1758): The keystone of evolution 黏液细胞在刺胞动物马线虫防御系统中的作用（林奈，1758）：进化的基石

IF 1.3 4区生物学

Acta Zoologica Pub Date : 2024-11-08 DOI: 10.1111/azo.12523

Alessio Alesci, Sebastian Marino, Anthea Miller, Angelo Giliberti, Gabriele Rigano, Letterio Giuffrè, Jorge M. O. Fernandes, Serena Savoca, Gioele Capillo

{"title":"Role of mucous cells in the defence system of the cnidarian Actinia equina (Linnaeus, 1758): The keystone of evolution","authors":"Alessio Alesci, Sebastian Marino, Anthea Miller, Angelo Giliberti, Gabriele Rigano, Letterio Giuffrè, Jorge M. O. Fernandes, Serena Savoca, Gioele Capillo","doi":"10.1111/azo.12523","DOIUrl":"https://doi.org/10.1111/azo.12523","url":null,"abstract":"Cnidarians are the first phylum of metazoans to exhibit a functional mucus layer. In evolution, mucous cells perform the classical secretory function of mucus and act as sentinels for external insults, particularly in mammals. However, this topic has not been much analysed in the lower metazoans. This study aims to investigate the role of mucous cells in Actinia equina (Anthozoa, Hexacorallia) (Linnaeus, 1758) by using confocal microscopy and bioinformatics. The results show colocalization of Toll-like receptor 2 (TLR2) and Mucin2 (MUC2) on these cells, suggesting a crosstalk between defence response and mucus secretion in cnidarians. Furthermore, the presence of TLR2 on the surface of mucous cells suggests their involvement in host defence responses, as occurs in vertebrates. Moreover, through in silico analysis, we confirmed the presence of orthologous genes for the tested antibodies, providing additional evidence to support our results from an evolutionary perspective. These data suggest that mucous cells play a defensive role throughout evolution, helping us understand how these cells have developed and adapted across phylogenesis. This information also provides new insights into the defensive strategies of invertebrates and clarifies their evolutionary history.","PeriodicalId":50945,"journal":{"name":"Acta Zoologica","volume":"106 4","pages":"352-365"},"PeriodicalIF":1.3,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145012444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0