Dietary nano iron enhanced the intestinal physical barrier, antioxidant capacity and immune function of juvenile largemouth bass (Micropterus salmoides)
Available online 23 August 2025
Nano-additives can improve the absorption and utilization of feed nutrients. In this study, we reported the effects of supplementary nano iron (0, 30, 60, 120, 240 and 480 mg/kg) on intestinal tract...
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Commercial product-derived microplastics based on polypropylene and polylactic acid and their harmful effects on the sea urchin Paracentrotus lividus (Lmk) embryos: Morphological and gene expression analysis
Available online 21 August 2025
Plastics provide a range of benefits in our society, even if waste plastics are representing a worrying issue for the environment. In addition, various additives, i.e., chemical substances added to...
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Ichthyofauna of the Paraopeba river: Richness, endemism, and conservation of a highly impacted basin
Available online 21 August 2025
The Paraopeba River, one of the largest tributaries of the São Francisco River basin, extends approximately 500 km and drains a densely populated region in Minas Gerais, Brazil. The aquatic ecosystems...
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Single nucleotide polymorphisms reveal the population genetics and evolutionary history of the Asian swamp eel across Asia
Available online 19 August 2025
The Asian swamp eel (putatively Monopterus albus) is recognized as one of the most economically significant specialty freshwater fishes in China. Nonetheless, there is a lack of systematic research...
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Single-cell transcriptomics unveils cellular adaptations to high-salinity stress in kidneys of GIFT tilapia
Available online 12 August 2025
Fish osmoregulation was characterized by modifications in both the structure and functionality of numerous osmoregulatory cells and organs. Single-cell resolution investigations are imperative for comprehending...
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Invasive mosquitofish (Gambusia holbrooki) have longer gill telomeres in polluted and mesohaline habitats
Available online 12 August 2025
Chemical pollution is a widespread stressor for wild organisms, but its effects on molecular damage and aging are still poorly understood. Telomere attrition has been used as an integrative biomarker...
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Evaluation of aquatic plant community diversity in an urban eutrophic lake—a combination of traditional survey and metabarcoding methods in Donghu Lake, Wuhan
Available online 11 August 2025
Aquatic vegetation plays a crucial role in wetland ecosystems but are sensitive to human activities, especially in urban lakes where the loss of aquatic plant diversity is pronounced. Recently, there...
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Spatiotemporal dynamics and interrelationships of fish assemblages and environment under stocking-based ecological fisheries practices: Insights from Qiandao Lake
Available online 5 August 2025
Qiandao Lake, a key drinking water reservoir and a national model for Stocking-based Ecological Fisheries (SEF) in China, has been intensively managed to balance fishery productivity with ecological...
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Fish carcass dynamics in a tropical river: insights for assessing damage in fish mortality events
Available online 5 August 2025
The absence of knowledge about carcass dynamics in fish mortality events hampers their detection, the quantification of biomass or number of dead fish, and accountability of the responsible agent. This...
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Conservation biogeography of the freshwater blenny (Salariopsis fluviatilis): Exploring an unusual distribution
Available online 5 August 2025
The freshwater blenny Salariopsis fluviatilis is fairly widespread across Mediterranean inland freshwaters but with an unusually patchy distribution. We investigated the species’ distribution patterns...
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Aquatic pollution from truck spills: Urgent action needed in Brazil and beyond
July 2025
On 29 January 2024, a truck accident spilled concentrated sulfonic acid into a river in Brazil's State of Santa Catarina. This disaster, which occurred in a protected area, killed various types of fish...
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Confronting the “knowledge-action gap” in invasive species prevention: A study of biosecurity behaviors among aquarium hobbyists in Illinois, USA
July 2025
Biological invasions threaten water resources worldwide owing to interrelated biological and anthropogenic drivers of change. Though the role of people in the (un)intentional spread of aquatic invasive...
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Neuroprotective Kunitz-like peptides identified from the octopus coral Galaxea fascicularis through transcriptomic analysis
July 2025
Parkinson's disease (PD) is the second most common neurodegenerative disease. Potassium voltage-gated channels are potential targets for the treatment of PD. The aim of this study is to identify novel...
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An updated range-wide assessment of Neophocaena: Threats and priorities for research and conservation
July 2025
The genus Neophocaena includes two species, the Indo-Pacific finless porpoise (N. phocaenoides) and the Narrow-ridged finless porpoise (N. asiaeorientalis). The Indo-Pacific species is found in coastal...
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Key environmental factors determining life history strategies of river fishes and their historical changes in the Yangtze River
July 2025
Life history theory predicts that species-specific life history traits are shaped by variations in environmental conditions. Understanding the key environmental factors determining life history strategies...
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The dual nature of water hyacinth (Pontederia crassipes): Environmental threats and sustainable solutions
July 2025
The invasive aquatic plant Pontederia crassipes (water hyacinth) presents significant ecological and economic challenges worldwide due to its rapid proliferation and dominance in freshwater ecosystems....
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Effects of water stratification on bacterial communities in scallop farming waters of the North Yellow Sea in China
July 2025
Water stratification is a prominent oceanographic phenomenon in the North Yellow Sea, a vital region for mollusk aquaculture in northern China. Understanding the influences of water stratification on...
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Prey adopt similar adaptive strategies with different molecular response mechanisms: How do ciliates respond to different predation risk cues?
July 2025
The adaptive strategies of prey against predation risk have been pivotal in non-consumptive effects. However, the adaptive strategies of prey and the response mechanisms to various predation risk cues...
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Comparative study and morphological plasticity of an Italian and a Chinese population of the protist ciliate Pseudokeronopsis erythrina (Hypotrichia, Kentrurostylida) with a mitochondrial genome analysis
July 2025
Two populations of the kentrurostylid ciliate Pseudokeronopsis erythrina Chen et al., 2011 were isolated from a brackish wastewater treatment plant, Pisa, Italy and from a nutrient-rich freshwater body,...
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A temperature-induced sex reversal mechanism in ricefield eels
July 2025
The ricefield eel (Monopterus albus), a protogynous hermaphrodite, is an important aquaculture freshwater fish in China. Intensive studies have focused on the sex reversal of this species, but the underlying...
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Sex-biased miR-456 targeting spire1/sox11 provides insights into the ceRNA-network of sexual regulation in fish
July 2025
Competing endogenous RNAs (ceRNAs) are a novel epigenetic regulatory mechanism implicated in sex determination and differentiation in teleosts, which exhibit a diversity of sex-determining mechanisms....
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Underwater noise in the Xinluo reserve: A potential stressor for the critically endangered Yangtze finless porpoise
July 2025
Nature reserves in the Yangtze River, China, are crucial for protecting the Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) and their habitats. Despite a 10-year fishing ban along...
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The curious case of Hypotrichidium bichromum n. sp., a new polymorphic and cannibalistic spirofilid ciliate (Ciliophora, Hypotrichia)
July 2025
Members of the genus Hypotrichidium are adapted to a planktonic lifestyle and are characterized among hypotrichs by their unique pyriform body with pointed tail and spiral cirral rows around the whole...
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City bug, country bug: How do benthic macroinvertebrate assemblages respond to an urbanization gradient taxonomically and functionally?
July 2025
Lotic ecosystems are especially vulnerable to the adverse effects of urbanization because of their close connectivity with the surrounding terrestrial ecosystems. There is, however, a knowledge gap...
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Combined intestinal transcriptome and microbiome profiling highlights microbiota involved in growth and immunity of the Reeves’ turtle (Mauremys reevesii)
July 2025
The intestine serves as the primary digestive and essential mucosal immune organ, harboring diverse microbiota that play crucial roles in digestion, absorption, and host immunity. However, the association...
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