Aquatic eDNA outperforms sedimentary eDNA for the detection of estuarine fish communities in subtropical coastal vegetated ecosystems [0.03%]
亚热带沿海植被生态系统中鱼类群落的环境DNA监测：水体eDNA优于沉积物eDNA
Emma Isabelle Rossouw,Sophie von der Heyden,Nasreen Peer
Emma Isabelle Rossouw
In South Africa, mangrove forests and seagrass meadows often co-occur in estuarine systems and in combination host rich, often endemic biodiversity. There is an urgent need to explore community diversity in coastal vegetated ecosystems, giv...
Biochemical characterization and modulation by abscisic acid of aminopeptidase-N activity in the digestive tract of Dentudo Oligosarcus jenynsii from Mar Chiquita coastal lagoon (Buenos Aires, Argentina) [0.03%]
阿根廷布宜诺斯艾利斯省奇克塔海岸咸水湖名贵鱼种奥氏平齿脂鲤肠道氨基肽酶-N的生化特征及脱落酸调节作用
Ivan Ascazuri,Juan Cruz Toraño,Camila Albanesi et al.
Ivan Ascazuri et al.
The determination of the existence and level of activity of specific digestive enzymes is commonly used as a tool to understand the functioning of the digestive machinery. The aim of this study was to determine the existence and biochemical...
Freshwater fish condition responses to hydrological disturbance are species- and scale dependent [0.03%]
鱼类对水文干扰的响应因物种和尺度而异
Maxwell C Mallett,Jason D Thiem,Gavin L Butler et al.
Maxwell C Mallett et al.
Modification of river flows is a major cause of freshwater fish population declines in many parts of the world. Identifying the precise mechanisms of these declines represents a significant challenge, as a range of stressors can simultaneou...
Contrasting thermal and hypoxic responses of species from blackwater and whitewater rivers [0.03%]
来自黑水河和清水河的物种的热响应和低氧响应对比分析
Susana Braz-Mota,Rafael M Duarte,Adalberto L Val
Susana Braz-Mota
In the Amazon basin, climate change is increasing water temperatures and CO₂ concentrations, which intensify environmental stressors for fish by increasing natural thermal regimes, reducing dissolved oxygen and pH levels. Extreme droughts,...
Improving eel pass efficiency: The role of crest shape and water flow in facilitating upstream juvenile eel migration [0.03%]
改进莺莺传效率：顶形和水流在促进上游鱼类迁徙中的作用
Michael J Williamson,Bryony E Allen,Jack A Brand et al.
Michael J Williamson et al.
River connectivity is crucial for the European eel (Anguilla anguilla) to complete its complex life cycle, which is vital for upstream recruitment to the declining population of this critically endangered catadromous fish. Eel passes, or la...
Insight into the biology, ecology and population trends of the brown skate, Raja miraletus Linnaeus, 1758, in the Balearic Islands [0.03%]
关于斑竹鲨（Raja miraletus）在巴利阿里群岛的生物学、生态学和种群动态的新见解
Francesca Ferragut-Perello,Maria Valls,Sergio Ramírez-Amaro et al.
Francesca Ferragut-Perello et al.
We studied the life-history traits of the brown skate (Raja miraletus) population off the Balearic Islands, which is a species commonly caught as bycatch by the bottom trawl fishery in the Western Mediterranean. Samples and data were collec...
Effect of heterozygosity, ploidy and incubation temperature on post-cranial axial skeletal meristics and deformities in Atlantic salmon (Salmo salar) [0.03%]
杂合子、倍性和孵化温度对大西洋鲑鱼（Salmo salar）后颅轴向骨骼计量学和畸形的影响
Murugesan Sankar,Thomas W K Fraser,Harald Kryvi et al.
Murugesan Sankar et al.
The teleostean post-cranial axial skeleton is a highly specialized structure for an aquatic mode of life. However, there is limited knowledge regarding parental contributions, early-life environmental impacts on its meristic variation and i...
A new species of Characidium (Characiformes: Crenuchidae) from the Iguaçu National Park, Rio Iguaçu basin, Paraná, Brazil [0.03%]
巴西巴拉那州伊瓜苏国家公园伊瓜苏河流域的新穐鰕虎鱼属一种（鲤形目：冠鲤科）
Bruno H M Stabile,Renan B Dos Reis,Alessandra V de Oliveira et al.
Bruno H M Stabile et al.
A new species of Characidium is described from the Iguaçu National Park, Brazil. The new species can be diagnosed from the congeners by the absence of conspicuous vertical bars, blotches and spots along the sides of the body, the presence ...
Testing non-lethal techniques for endoparasite detection and sex determination in pumpkinseed sunfish (Lepomis gibbosus) [0.03%]
检测 Pumpkinseed Sunfish（学名：Lepomis gibbosus）内寄生虫及性别鉴定的非致命方法试验
Matthew Archambault,Claire Vergneau-Grosset,Carolyn Gara-Boivin et al.
Matthew Archambault et al.
Developing non-lethal techniques to estimate parasite infection is critical for studying disease ecology in wild animals. We tested the effectiveness of coelomic ultrasonographic examination and plasma enzyme markers to detect liver infecti...
Stable isotopic differences (δ13C and δ15N) between muscle and fin ray tissues from juvenile Atlantic goliath grouper Epinephelus itajara (Lichtenstein, 1822) using non-lethal sampling [0.03%]
亚热带无须杀鱼取样的生幼年Atlantic goliath grouperEpinephelus itajara(Lichtenstein，1822)的肌肉和鳍条组织之间的稳定同位素差异（δ13C和δ15N）
Ester F Barbosa,Rodrigo F Bastos,Lorena L Almeida et al.
Ester F Barbosa et al.
The Atlantic goliath grouper (Epinephelus itajara) is the largest species of grouper in the Atlantic Ocean and is classified as critically endangered in Brazil. This study compared the isotopic ratios of carbon (δ13C) and nitrogen (δ15N) ...