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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Macroinvertebrate responses to stream water quality and the proposed biological monitoring working party index for the Philippines
Available online 31 July 2025
Water quality is a key driver of aquatic ecosystem health and strongly influences macroinvertebrate assemblages. In the Philippines, the relationship between macroinvertebrates and water quality remains...
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Functional and phylogenetic clustering of fish assemblages in subtropical Chinese reservoirs ensure their resistance against eutrophication
Available online 31 July 2025
Dam construction and other anthropogenic disturbances are recognized to degrade lake habitat heterogeneity and consequently diminish fish biodiversity. To elucidate the changes in fish assemblages resulting...
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From the perspective of modulating antibacterial immune responses and vaccine adjuvants application in teleost fishes: Exploring the prospects of chemokines in aquaculture
Available online 30 July 2025
Aquatic environments expose fishes to a wide range of pathogens, emphasizing the crucial role of their immune system. Chemokines are key mediators that bridge innate and adaptive immunity by regulating...
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In Memoriam: Professor Robert Mason Hughes
Available online 21 July 2025
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Complex seafloor topography promotes ciliate population expansion but maintains high community similarity and stability in the deep sea
Available online 18 July 2025
Environmental selection and neutral processes drive diversification and evolution, thereby influencing the biodiversity and biogeography of the microbiome. The deep sea, with its vast and complex geological...
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Exploring the potential of interview-based sighting history to estimate the abundance of a coastal dolphin
Available online 18 July 2025
Estimating the population abundance of marine wildlife is fundamental for developing evidence-based management strategies. However, standard field-based methods for estimating marine animal abundance...
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Nitrate, water temperature, conductivity, and transparency drive littoral phytoplankton species composition and biovolume in two reservoirs in the Xingu river
Available online 18 July 2025
Ecological interactions in the littoral zone maintain water quality, biodiversity, and ecological services in freshwater ecosystems. Phytoplankton occupy a central position in the ecosystem due to their...
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