Journal of fish diseases最新文献

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Behaviour and Dispersal of Mobile Salmon Lice When Detached From the Host. 移动鲑鱼虱体与寄主分离后的行为和扩散。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-05-10 DOI: 10.1111/jfd.14143
Luke T Barrett, Mari F Jensen, Sussie Dalvin, Frode Oppedal
{"title":"Behaviour and Dispersal of Mobile Salmon Lice When Detached From the Host.","authors":"Luke T Barrett, Mari F Jensen, Sussie Dalvin, Frode Oppedal","doi":"10.1111/jfd.14143","DOIUrl":"https://doi.org/10.1111/jfd.14143","url":null,"abstract":"<p><p>Sea lice can flourish when salmon are farmed in open sea-cages, necessitating treatments to control outbreaks and reduce larval export. However, mobile ectoparasitic stages can be dislodged during crowding or other procedures, and potentially reinfest farmed or wild fish. We studied vertical movements and host-finding behaviours of mobile salmon lice (Lepeophtheirus salmonis) released into the water column, and used those data to parameterise a biophysical dispersal model. Over 0-0.4 m in tanks, larger stages sank more quickly than smaller stages (1.5 cf. 0.6 cm s<sup>-1</sup>), with sinking speeds of adult lice validated in deeper tanks (0-3 m) and a fjord (~15-24 m). Adult males had the greatest behavioural component, sinking more slowly with host cues present and faster when dead. Detached lice were able to intercept new hosts in a tank (23% within 5 min). We also investigated Caligus elongatus, but found their strong swimming not amenable to study. A hydrodynamic dispersal model indicated that detached lice can reach neighbouring cages but rarely neighbouring farms before sinking below cage depth. Simulations comparing farm sites highlighted the influence of site-specific current conditions on dispersal kernels, and indicated that crowding/handling fish during favourable tides can reduce downstream risk.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14143"},"PeriodicalIF":2.2,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143995941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence Estimates of Anisakis spp. Infection in Fish From Indonesia: A Systematic Review and Meta-Analysis. 印度尼西亚鱼类中异尖线虫感染率的估计:系统回顾和荟萃分析。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-05-09 DOI: 10.1111/jfd.14140
Handang Widantara, Dian Meididewi Nuraini, Ekky Ilham Romadhona, Sutanti Sutanti, Morsid Andityas
{"title":"Prevalence Estimates of Anisakis spp. Infection in Fish From Indonesia: A Systematic Review and Meta-Analysis.","authors":"Handang Widantara, Dian Meididewi Nuraini, Ekky Ilham Romadhona, Sutanti Sutanti, Morsid Andityas","doi":"10.1111/jfd.14140","DOIUrl":"https://doi.org/10.1111/jfd.14140","url":null,"abstract":"<p><p>Anisakis spp. is a notable fish parasite linked to foodborne diseases, representing a significant public health concern in Indonesia. Despite various reports from different regions indicating fluctuating prevalence levels of Anisakis spp. in diverse fish species in Indonesia, the overarching national prevalence remains uncertain. This study aimed to estimate the overall prevalence of Anisakis spp. infection among Indonesian fish. A comprehensive literature search was conducted across six online databases, and articles were screened based on predefined inclusion criteria. A total of 65 studies fit the inclusion criteria with an average quality assessment score of 7.23 ± 1.77. The overall pooled prevalence of Anisakis spp. infection in fish in Indonesia was 32.63% (95% CI, 25.44%-40.73%). Subgroup analyses conducted based on province, sample origin, ecological niche and fish genus revealed no statistically significant differences. Meta-regression indicated no significant changes in infection rates over time (p-value: 0.44). The study also confirmed the absence of publication bias. In conclusion, the overall prevalence of Anisakis spp. infection is relatively high and poses a potential health risk related to fish consumption, warranting further epidemiological research into its impact on human health.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14140"},"PeriodicalIF":2.2,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143968789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diplostomum-Induced Sac Formation in Lenses of Ameiurus Bullheads: A Host Defence Response? 双瓣气孔诱导的牛头虾晶状体囊形成:宿主防御反应?
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-05-07 DOI: 10.1111/jfd.14137
Markéta Ondračková, Andrea Valigurová, Iveta Hodová, Veronika Bartáková, Maria Yu Tkachenko, Michal Janáč, Lukáš Vetešník
{"title":"Diplostomum-Induced Sac Formation in Lenses of Ameiurus Bullheads: A Host Defence Response?","authors":"Markéta Ondračková, Andrea Valigurová, Iveta Hodová, Veronika Bartáková, Maria Yu Tkachenko, Michal Janáč, Lukáš Vetešník","doi":"10.1111/jfd.14137","DOIUrl":"https://doi.org/10.1111/jfd.14137","url":null,"abstract":"<p><p>Trematodes of the genus Diplostomum (Diplostomidae) are widely distributed and significant fish pathogens known for causing a range of negative effects. Any mechanism that protects the host from the parasite thus represents an evolutionary advantage. In this study, we observed an unusual localisation of Diplostomum metacercariae, which were displaced into the sac protruding from the lens, in North-American bullhead catfish species of the genus Ameiurus. The occurrence of the sac was found in all sampling sites (Czech Republic) where A. nebulosus and A. melas were infected with Diplostomum, regardless of the parasite species, as both D. pseudospathaceum and D. spathaceum induced sac formation. The probability of sac formation increased with the intensity of Diplostomum infection. Experimental infection of juvenile A. melas showed that the first signs of sac formation appeared shortly after the infection. While visual observation under the light microscope suggested the first signs at 7 days post-infection, histological examination documented the start of epithelial proliferation by the third day post-infection. Our study suggests that the process of sac formation, along with parasite displacement, might present a host reaction to mitigate the negative effects of infection and the impaired vision caused by the parasite.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14137"},"PeriodicalIF":2.2,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144020230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
First Report of Philometroides sanguineus (Nematoda: Philometridae) in Farmed Goldfish (Carassius auratus) in Italy. 意大利养殖金鱼(Carassius auratus)中血丝缕蝇(线虫纲:血丝缕蝇科)首次报道。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-27 DOI: 10.1111/jfd.14138
Teresa Pirollo, Perla Tedesco, Marialetizia Fioravanti, Francesco Quaglio, Lorenzo Tarocchi, Enea Tentoni, Andrea Gustinelli
{"title":"First Report of Philometroides sanguineus (Nematoda: Philometridae) in Farmed Goldfish (Carassius auratus) in Italy.","authors":"Teresa Pirollo, Perla Tedesco, Marialetizia Fioravanti, Francesco Quaglio, Lorenzo Tarocchi, Enea Tentoni, Andrea Gustinelli","doi":"10.1111/jfd.14138","DOIUrl":"https://doi.org/10.1111/jfd.14138","url":null,"abstract":"<p><p>The ornamental fish trade has facilitated the global dissemination of parasites, posing significant biosecurity risks. This study documents the first detection of the nematode Philometroides sanguineus in farmed goldfish (Carassius auratus) in Emilia-Romagna, Italy. Specimens of gravid females, found in the caudal fins, and males, collected from the swim bladder, were identified through morphological, molecular and scanning electron microscope (SEM) analyses. This report underscores the risk of nonnative pathogen introduction via ornamental fish translocation, and the possibility of their spreading through the aquatic environment. In fact, the role of intermediate hosts, such as copepods, in parasite dissemination emphasises the need for stricter controls in systems reliant on surface water. Although P. sanguineus infection did not cause significant mortality in adult fish, its presence diminishes the ornamental value of infected specimens and raises concerns about the parasite's spread to native ecosystems. This case highlights the need to improve the biosecurity measures and comprehensive risk assessments to mitigate the introduction and propagation of alien parasites in aquaculture systems. Further research is necessary to evaluate the parasite's epidemiology, distribution and potential pathogenicity under different environmental and farming conditions.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14138"},"PeriodicalIF":2.2,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144003682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulation of Sodium and Ammonia Transporters in the Context of Viral Gill Diseases in Common Carp (Cyprinus carpio). 鲤病毒性鳃病中钠和氨转运体的调节。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-23 DOI: 10.1111/jfd.14133
Maria Zawisza, Muhammad Abdullah, Magdalena Marcinkowska, Marek Matras, Krzysztof Rakus, Mikolaj Adamek
{"title":"Modulation of Sodium and Ammonia Transporters in the Context of Viral Gill Diseases in Common Carp (Cyprinus carpio).","authors":"Maria Zawisza, Muhammad Abdullah, Magdalena Marcinkowska, Marek Matras, Krzysztof Rakus, Mikolaj Adamek","doi":"10.1111/jfd.14133","DOIUrl":"https://doi.org/10.1111/jfd.14133","url":null,"abstract":"<p><p>Osmoregulation and ammonia removal are among key physiological processes that take place in gills and affect fish homeostasis and well-being. These processes can be disrupted by numerous environmental factors, but also by viral infections, especially those leading to severe gill disorders. The mechanisms of how viruses disrupt osmoregulation and ammonia removal in fish have not been extensively studied. We propose further exploration of the molecular and functional basis of viral induced gill disorders by studying the gene expression and enzyme activity of Na<sup>+</sup>/K<sup>+</sup>-ATPases (NKA) and ammonia transporters in the gills and kidney of common carp during infection with two viruses: carp edema virus (CEV) and cyprinid herpesvirus 3 (CyHV-3). In the case of NKA, the expression of subunit α of selected NKA was affected by both viruses; however, no discernible trends were observed in the gills and kidneys. The enzyme activity of NKA was significantly reduced in the gills during infection with both CEV and CyHV-3. Moreover, our immunohistochemical studies showed that during infection with CEV and CyHV-3, NKA-rich cells are transferred from the primary lamellae to the more superficial space and to the secondary lamellae of the gills. In the case of ammonia transporters, both CEV and CyHV-3 infection resulted in downregulation of the expression of major transporters gdh1, Rhag, and Rhbg, allowing us to partly explain the ammonia accumulation in blood observed during infection with these viruses. This study highlighted that virus induced gill disorders may lead to disruption of osmoregulation and ammonia removal by dysregulating the expression and activity of NKA and ammonia transporters.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14133"},"PeriodicalIF":2.2,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143967669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a Real-Time PCR Assay for Noninvasive Detection of Miamiensis avidus in Olive Flounder Aquaculture. 橄榄比目鱼养殖中巨斑迈阿密虫实时荧光定量PCR无创检测方法的建立。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-23 DOI: 10.1111/jfd.14134
Jin-Young Kim, Su-Mi Shin, Se Ryun Kwon, Sung-Ju Jung
{"title":"Development of a Real-Time PCR Assay for Noninvasive Detection of Miamiensis avidus in Olive Flounder Aquaculture.","authors":"Jin-Young Kim, Su-Mi Shin, Se Ryun Kwon, Sung-Ju Jung","doi":"10.1111/jfd.14134","DOIUrl":"https://doi.org/10.1111/jfd.14134","url":null,"abstract":"<p><p>Miamiensis avidus (syn. Philasterides dicentrarchi) leads to high mortality and economic losses in olive flounder (Paralichthys olivaceus) aquaculture. In this study, we developed a real-time PCR assay targeting the cytochrome c oxidase subunit I (cox1) gene of M. avidus to sensitively detect and quantify the parasite in seawater. The assay showed a strong linear correlation between the log copy number of the standard plasmid and Ct values (R<sup>2</sup> = 0.9985), achieving an amplification efficiency of 96.26%. The cox1 gene copy number was estimated at 6017 ± 2794 copies per cell. The assay specifically detected M. avidus (cox1 genotypes 1-4) without cross-reacting with Cryptocaryon irritans or Uronema elegans, identifying as few as two M. avidus cells in 1 L of seawater with 100% accuracy (Ct value: 31.95 ± 0.78). The noninvasive seawater sampling demonstrates higher sensitivity than invasive tissue sampling. A high density of M. avidus (57.81 cells/10 L) was detected in tanks housing olive flounder with clinical signs of infection, and sporadic detection occurred in both inflow and effluent seawater. The developed real-time PCR assay provides a sensitive, specific and noninvasive method for detecting and quantifying M. avidus, enabling improved disease prevention and management in fish farms.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14134"},"PeriodicalIF":2.2,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143986077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Viral Nervous Necrosis due to Betanodavirus: A Case Study in Pot-Bellied Seahorses (Hippocampus abdominals). 贝塔诺达病毒引起的病毒性神经坏死:以大肚海马为例。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-23 DOI: 10.1111/jfd.14131
Stephen M Pefanis, Graeme Knowles, Peter G Mohr, Kate Swift, Jemma Bergfeld, Teresa K Wilson, Marianne Douglas, Rachelle Hawkins, John Hoad, Adam Costin, Jacqueline Morris, David Cummins, Nicholas J G Moody
{"title":"Viral Nervous Necrosis due to Betanodavirus: A Case Study in Pot-Bellied Seahorses (Hippocampus abdominals).","authors":"Stephen M Pefanis, Graeme Knowles, Peter G Mohr, Kate Swift, Jemma Bergfeld, Teresa K Wilson, Marianne Douglas, Rachelle Hawkins, John Hoad, Adam Costin, Jacqueline Morris, David Cummins, Nicholas J G Moody","doi":"10.1111/jfd.14131","DOIUrl":"https://doi.org/10.1111/jfd.14131","url":null,"abstract":"<p><p>Betanodaviruses, members of the Nodaviridae family, are the causative agents of viral nervous necrosis in fish, resulting in great economic losses worldwide. This is the first case study describing the detection and confirmation of viral nervous necrosis in pot-bellied seahorses (Hippocampus abdominalis) in Australia. Clinical signs of this infection in the seahorses included whirling, floating and cessation of feeding. Histopathological findings included prominent vacuolation in the grey matter of the brain and in the retina of the eye. Betanodavirus infection was initially detected by betanodavirus reverse transcriptase quantitative PCR and nested PCR. Sequencing confirmed the red-spotted grouper nervous necrosis virus (RGNNV) genotype of betanodavirus. The RGNNV genotype of betanodavirus has previously been detected in Australia in fish, including barramundi (Lates calcarifer) and striped trumpeter (Latris lineata). Immunohistochemistry using antibodies directed against the capsid protein of betanodavirus demonstrated intralesional virus antigen. Betanodavirus targeted the brain, spinal cord and retina, causing intracytoplasmic vacuolation of neuronal processes and neuronal necrosis.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14131"},"PeriodicalIF":2.2,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144021758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trends in Abundance of Sea Lice Lepeophtheirus salmonis and Caligus clemensi on Juvenile Wild Pacific Salmon Unchanged Following Cessation of Salmon Aquaculture in Coastal British Columbia. 在不列颠哥伦比亚省沿海停止鲑鱼养殖后,野生太平洋鲑鱼幼鱼身上的海虱和克莱门鲑数量变化趋势不变。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-22 DOI: 10.1111/jfd.14136
Simon R M Jones, Crawford W Revie, Lance Stewardson
{"title":"Trends in Abundance of Sea Lice Lepeophtheirus salmonis and Caligus clemensi on Juvenile Wild Pacific Salmon Unchanged Following Cessation of Salmon Aquaculture in Coastal British Columbia.","authors":"Simon R M Jones, Crawford W Revie, Lance Stewardson","doi":"10.1111/jfd.14136","DOIUrl":"https://doi.org/10.1111/jfd.14136","url":null,"abstract":"","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14136"},"PeriodicalIF":2.2,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Establishment of a New Endothelial Cell Line of Japanese Eel and Its Application to the Investigation of Temperature Preference of Japanese Eel Endothelial Cells-Infecting Virus. 日本鳗鲡内皮细胞系的建立及其在日本鳗鲡内皮细胞侵染病毒温度偏好研究中的应用
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-20 DOI: 10.1111/jfd.14135
Kousuke Umeda, Tomokazu Takano, Norio Iinuma, Masayuki Yoshikawa, Natsuki Morimoto, Tomomasa Matsuyama
{"title":"Establishment of a New Endothelial Cell Line of Japanese Eel and Its Application to the Investigation of Temperature Preference of Japanese Eel Endothelial Cells-Infecting Virus.","authors":"Kousuke Umeda, Tomokazu Takano, Norio Iinuma, Masayuki Yoshikawa, Natsuki Morimoto, Tomomasa Matsuyama","doi":"10.1111/jfd.14135","DOIUrl":"https://doi.org/10.1111/jfd.14135","url":null,"abstract":"<p><p>Japanese eel endothelial cells-infecting virus (JEECV) is the causative agent of viral endothelial cell necrosis of eel (VECNE), which adversely affects eel aquaculture in East Asian countries. The virus primarily infects vascular endothelial cells and causes the enlargement of cell nuclei. Notably, high water temperatures (approximately 35°C) reduce the mortality from VECNE, but the temperature preference of this virus is not known. In this study, we established a cell line, designated JEE-2, from the bulbus arteriosus of the Japanese eel (Anguilla japonica). JEE-2 was considered endothelial because of its morphology and cholesterol uptake activity. JEECV was successfully cultured in the cells. In vitro-cultured JEECV caused cytopathic effects, such as enlarged nuclei in JEE-2 and VECNE symptoms in vivo. We examined the temperature preferences of the cells and the virus in vitro. JEE-2 cells showed the highest growth at 25°C-30°C, relatively slower growth at 35°C, and slight growth at 37°C. JEECV grew at 25°C-32.5°C, but the growth was considerably limited at 35°C. These results explain the lower mortality of Japanese eels with VECNE at high temperatures. This study will help further understand the infection mechanism of JEECV and develop control measures against it.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14135"},"PeriodicalIF":2.2,"publicationDate":"2025-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143999701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Description and Patterns of Hyperostosis in Plata Pompano, Trachinotus marginatus Cuvier, 1832. 庞帕诺高原骨质增生的描述和模式,居维叶,1832。
IF 2.2 3区 农林科学
Journal of fish diseases Pub Date : 2025-04-17 DOI: 10.1111/jfd.14129
Alice Miranda Cardoso de Sá, Márcia Carolina Salomão, Helena Passeri Lavrado, Wilson Thadeu Valle Machado, Ana Paula de Castro Rodrigues, Fernando Augusto Pereira Tuna
{"title":"Description and Patterns of Hyperostosis in Plata Pompano, Trachinotus marginatus Cuvier, 1832.","authors":"Alice Miranda Cardoso de Sá, Márcia Carolina Salomão, Helena Passeri Lavrado, Wilson Thadeu Valle Machado, Ana Paula de Castro Rodrigues, Fernando Augusto Pereira Tuna","doi":"10.1111/jfd.14129","DOIUrl":"https://doi.org/10.1111/jfd.14129","url":null,"abstract":"<p><p>This study describes the occurrence of hyperostosis, to the best of our knowledge, for the first time in Trachinotus marginatus Cuvier 1832 and examines its patterns in 21 specimens from Rio de Janeiro, Brazil. Radiographic images revealed the presence of the condition in 76.2% of the individuals, affecting five distinct bone regions: supraoccipital (76.2%), dorsal-fin pterygiophore (52.3%), anal-fin pterygiophore (9.5%), rib (4.8%) and hemal spine (4.8%). Hyperostosis was consistently observed in the first dorsal pterygiophore and was not found in the other dorsal pterygiophores. A directional linearity was noted in the growth of the supraoccipital crest in the cranial region as the sexual maturation of individuals progressed, demonstrating a tendency for bone expansion. Although hyperostosis is a species-specific condition, the studied species did not exhibit a clear relationship between specific bone region patterns and the total length of the individual, suggesting no progression in the same affected regions as the animal grows. Longitudinal histological sections of the supraoccipital and ribs revealed high bone porosity caused by hyperostosis, with the presence of several vascular channels. This study represents the first report of the condition of this species, which is an important resource for artisanal fishing in southern Brazilian waters.</p>","PeriodicalId":15849,"journal":{"name":"Journal of fish diseases","volume":" ","pages":"e14129"},"PeriodicalIF":2.2,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143967664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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