Invasive species and trophic pathways: long-term shifts in food chain dynamics of a fragmented river's floodplain
July 2026
Impoundments within the Paraná River basin have significantly impacted the Upper Paraná River Floodplain (UPRF). The Itaipu Hydropower Plant, installed in 1982, removed a natural barrier, enabling fish...
APC receptor TLR22a-targeted antigen structure optimization enhances immune protection against grass carp reovirus II
July 2026
Grass carp (Ctenopharyngodon idella), a cornerstone of global freshwater aquaculture, face severe threats from grass carp reovirus II (GCRV-II), which causes massive mortality and economic losses. While...
The essential role of mTOR in promoting feeding behavior through regulating NPY and AgRP expression in mandarin fish (Siniperca chuatsi) larvae
July 2026
The success of initial feeding during the mouth-opening stage is crucial for the survival and growth of fish larvae. Carnivorous mandarin fish (Siniperca chuatsi) face unique challenges in capturing...
Single nucleotide polymorphisms reveal the population genetics and evolutionary history of the Asian swamp eel across Asia
July 2026
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...
Overexpression of amh/amhy using single-walled carbon nanotubes as delivery vehicles induces the masculinization of female mandarin fish
July 2026
Mandarin fish (Siniperca chuatsi) is an economically important fish in China, and females grow faster than males. Thus, it is critical to obtain neo-male individuals for breeding all-female mandarin...
Integrative genomics reveals PDE11A and SAAL are key regulators of growth in Pacific white shrimp (Penaeus vannamei)
July 2026
Pacific white shrimp (Penaeus vannamei) is a globally important aquaculture species, prized for its adaptability, high yield, and economic value. Growth traits are key determinants of aquaculture profitability,...
Single-cell transcriptomics unveils cellular adaptations to high-salinity stress in kidneys of GIFT tilapia
July 2026
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...
Zooplankton species indicate water quality and land use changes in Amazonian streams and ponds
July 2026
In the face of multiple, co-varying environmental threats, measuring anthropogenic impacts and species responses to them is essential for developing biomonitoring programs and for biodiversity conservation....
Genome-wide identification, expression analysis of toll-like receptors (TLRs) in black carp (Mylopharyngodon piceus), and the positive role of MpTLR1 against Aeromonas hydrophila infection
July 2026
As one of the world's “staple” freshwater fish species, black carp (Mylopharyngodon piceus) faces critical challenges from bacterial diseases. Toll-like receptors (TLRs), serving as frontline pathogen...
Hydraulic factors influencing tropical fish movement in hydropower plant tailraces
July 2026
Hydroelectricity is a significant source of electricity in many countries around the world. Blockage of fish migration routes is an environmental impact caused by hydroelectric power plants and schools...
Anthropogenic pressures reduce aquatic macroinvertebrate diversity through decreased physical habitat heterogeneity
July 2026
Habitat heterogeneity creates diverse habitats and resource distributions that affect community structure and dynamics. More environmentally heterogeneous areas are expected to support more diversified...
Evaluation of aquatic plant community diversity in an urban eutrophic lake—a combination of traditional survey and metabarcoding methods in Donghu Lake, Wuhan
July 2026
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...
Ichthyofauna of the Paraopeba river: Richness, endemism, and conservation of a highly impacted basin
July 2026
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...
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
July 2026
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...
Macroinvertebrate-based assessments in Brazilian freshwaters: A systematic review
July 2026
Freshwater ecosystems are increasingly threatened by different human stressors, thereby jeopardizing aquatic biota. Macroinvertebrates are one of the most common bioindicators used worldwide to assess...
Fish LASP1 promotes NBR1-mediated MAVS autophagic degradation to inhibit IFN production
July 2026
The mitochondrial antiviral signaling protein (MAVS) plays a pivotal role in the interferon (IFN) activation signaling pathway, which culminates in the production of IFN and the establishment of a positive...
Influence of light intensity on the toxicity of herbicides, alone or in mixture, to freshwater phytoplankton
July 2026
Light intensity directly affects phytoplankton and can alter the toxicity of phytotoxic pollutants present in natural water bodies. Light fluctuation in aquatic ecosystems often occurs as a function...
Invasive mosquitofish (Gambusia holbrooki) have longer gill telomeres in polluted and mesohaline habitats
July 2026
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...
Fishery trade and the spread of pathogens carried by aquatic life
July 2026
Fishery trade plays a significant role in the global food system, though some studies have found that this trade may increase the risk of spreading pathogens. However, research providing quantitative...
Genome-wide association study reveals the role of Lox4 in shell morphology of Mulinia lateralis
July 2026
The shell, a type of biological exoskeleton, is a critical feature of bivalves, serving key functions including protection, locomotion, and structural support. Although bivalve shell morphology exhibits...
Quantifying microbial and harmful algal bloom interactions dynamics through machine learning predictive frameworks
July 2026
Harmful algal bloom (HAB) mitigation using microorganisms faces challenges, like inconsistent algicidal efficacy, scalability issues, limited microbial diversity, and traditional modeling constraints....
Dietary nano iron enhanced the intestinal physical barrier, antioxidant capacity and immune function of juvenile largemouth bass (Micropterus salmoides)
July 2026
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...
The mycolic acids of Nocardia seriolae hijack Coronin-1A to inhibit autophagy for macrophage-derived foam cell formation
July 2026
Nocardia seriolae alters macrophages to a “foamy” phenotype characterized by the accumulation of lipid droplets during infection to create a habitat that is ideally suited to its requirements. However,...
Changes in water temperature alter the behavior and interaction between Japanese medaka and mosquitofish
July 2026
Climate change has been considered a major cause of the increase in the average water temperature of many water systems worldwide and has become a leading factor affecting various ecosystems. The rise...
Dam-induced connectivity loss shapes benthic communities through water quality alterations in the Yangtze River Basin
July 2026
Human activities, such as hydropower generation, irrigation, and flood control, have led to the extensive construction of dams, significantly impacting river ecosystems worldwide. These structures disrupt...