The effects of nutrient level on periphyton–macrophyte interactions in freshwater ecosystems
April 2026
Periphyton are one of the key primary producers in aquatic ecosystems, particularly in oligotrophic shallow lakes. Submerged macrophytes are capable of competing with periphyton for nutrients and light,...
The silent spread of the rosette agent Sphaerothecum destruens: first report in Italy and new freshwater fish hosts
April 2026
Sphaerothecum destruens, an emerging aquatic pathogen, presents significant threats to biodiversity conservation and aquaculture sustainability due to its broad host range and close association with...
Exploring the potential of interview-based sighting history to estimate the abundance of a coastal dolphin
April 2026
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...
Amh/Amhr2 homologs: The predominant recurrent sex determining genes in teleosts
April 2026
Teleosts, the most diverse vertebrate group comprising over 30,000 species, exhibit the most complex sex determination systems and mechanisms among vertebrates. With the increasing availability of sequenced...
Nutrient-driven shifts in zooplankton structural-functional dynamics across different types of freshwater systems
April 2026
Nutrient enrichment, predominantly due to human activities, significantly compromises the ecological integrity of aquatic ecosystems, particularly in freshwater systems. As an essential component of...
Nitrate, water temperature, conductivity, and transparency drive littoral phytoplankton species composition and biovolume in two reservoirs in the Xingu river
April 2026
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...
Spatiotemporal dynamics and interrelationships of fish assemblages and environment under stocking-based ecological fisheries practices: Insights from Qiandao Lake
April 2026
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...
Comparative analysis of antibiotic resistance gene (ARG) profiles and microbial communities in the Xiangjiang River highlights fish gut opportunistic pathogens as potential reservoir of high-risk ARGs
April 2026
The dissemination of antibiotic resistance genes (ARGs) has emerged as a global public health concern. However, the distribution and driving factors of ARGs, especially high-risk ARGs, in the fish gut...
Complex seafloor topography promotes ciliate population expansion but maintains high community similarity and stability in the deep sea
April 2026
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...
The role of ecohydraulics in addressing the freshwater biodiversity crisis
April 2026
Ecohydraulics is a scholarly discipline and community of practice that represents the intersection of ecology and hydraulics/fluid dynamics. Although understanding the intersection of ecology and hydraulics...
Deficiency of SSTR2a promotes body growth by activating the GH/IGF axis in Nile tilapia Oreochromis niloticus
April 2026
Somatostatin (SST), named for its ability to inhibit pituitary growth hormone (GH) secretion, is involved in multiple physiological processes though somatostatin receptors (SSTRs). Both in vitro and...
Fish carcass dynamics in a tropical river: insights for assessing damage in fish mortality events
April 2026
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...
Macroinvertebrate responses to stream water quality and the proposed biological monitoring working party index for the Philippines
April 2026
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...
Microbial community structure and congruence responses to multiple environmental stressors: insights from a mesocosm experiment
April 2026
Multiple stressors present a significant challenge to global freshwater ecosystems, particularly affecting microbial dynamics. The response of microbial communities at the water and sediment interface...
Establishment of inter-order transplantation of primordial germ cells for the protogynous hermaphroditic rice field eel, Monopterus albus
April 2026
The rice field eel, Monopterus albus, is an economically valuable aquaculture fish. However, the shortage of rice field eel fry, which mainly rely on fishing in the wild, is the main bottleneck in the...
The effects of Picria fel-terrae Lour. on ameliorating hepatic metaflammation while modulating mucosal immunity in fish
April 2026
This study examined the effects of Picria fel-terrae Lour. (PFL) on soybean meal-induced enteritis in zebrafish (Danio rerio) and evaluated whether its increased resistance to Aeromonas hydrophila using...
Lemna minor as a phytoremediator of cobalt nanoparticles: Insights into toxicity and remediation
April 2026
The extensive use of cobalt nanoparticles (CoNPs) in industrial and biomedical applications has raised environmental concerns, necessitating effective mitigation strategies. This study examines the...
Ferritin-based self-assembling nanovaccines induces durable and effective immune responses against LMBV in largemouth bass (Micropterus salmoides)
April 2026
Largemouth bass ranavirus (LMBV) is a double-stranded DNA virus that poses a serious threat to the bass farming industry. Given the significant economic losses caused by LMBV outbreaks, the development...
Conservation biogeography of the freshwater blenny (Salariopsis fluviatilis): Exploring an unusual distribution
April 2026
The freshwater blenny Salariopsis fluviatilis is fairly widespread across Mediterranean inland freshwaters but with an unusually patchy distribution. We investigated the species’ distribution patterns...
The cross-talk of lysine succinylation and acetylation at the K14 site of the Fur protein in regulating antibiotic resistance in Aeromonas hydrophila
April 2026
The pathogenic bacterium Aeromonas hydrophila presents significant threats in aquaculture due to its increasing antibiotic resistance. Prior studies identified lysine acetylation (Kac) and succinylation...
The DEAD-box RNA helicase CrhB exhibits pleiotropic functions in the cyanobacterium Anabaena PCC 7120
April 2026
DEAD-box RNA helicases play critical roles in regulating RNA metabolism and gene expression in both prokaryotes and eukaryotes. In the filamentous, heterocyst-forming cyanobacterium Anabaena PCC 7120,...
Deciphering phage-host dynamics: cyanophage A-4(L) infection of Nostoc sp. PCC 7120 in freshwater ecosystems
April 2026
Cyanobacteria, as essential photosynthetic microorganisms, play a pivotal role in aquatic ecosystems by contributing to primary production and nitrogen fixation. However, they can also lead to harmful...
Unraveling combined toxicity of microplastics and antibiotics on aquatic ecosystems: A case study in the Beiluo river, China
April 2026
Microplastics (MPs) can adsorb antibiotics to form complex pollutants that seriously threaten the health of freshwater ecosystems. However, few studies have examined the combined ecotoxicity of MPs...