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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Deficiency of SSTR2a promotes body growth by activating the GH/IGF axis in Nile tilapia Oreochromis niloticus
Available online 30 June 2025
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...
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Establishment of inter-order transplantation of primordial germ cells for the protogynous hermaphroditic rice field eel, Monopterus albus
Available online 26 June 2025
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...
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Microbial community structure and congruence responses to multiple environmental stressors: insights from a mesocosm experiment
Available online 21 June 2025
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...
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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
Available online 20 June 2025
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...
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Effects of substitution of dietary fishmeal with protein blend and stocking density on growth performance, stress response, and protein utilization of gibel carp (Carassius gibelio, CAS V)
Available online 18 June 2025
Stocking density and feed protein sources are critical in aquaculture. This study investigated their effects on growth, stress response, and protein utilization in gibel carp. Fishmeal served as the...
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Lemna minor as a phytoremediator of cobalt nanoparticles: Insights into toxicity and remediation
Available online 18 June 2025
The extensive use of cobalt nanoparticles (CoNPs) in industrial and biomedical applications has raised environmental concerns, necessitating effective mitigation strategies. This study examines the...
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Trophic adaptation strategies of deep-Sea fish in cold seep environments
Available online 17 June 2025
The diversity of marine habitats influences fish trophic niches and adaptation strategies. This study investigated fish trophic niches in cold seep and adjacent areas of the South China Sea in August...
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Haemolymph of blue crab (Callinectes sapidus) as a reservoir of bacteria potentially pathogenic to humans: public health implications
Available online 14 June 2025
This study investigates bacterial species with potential human health implications isolated from blue crab (Callinectes sapidus) in the Northern Adriatic Sea (Italy). The primary objectives include...
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Metabolomics analysis identifies hypoxia-induced ferroptosis in the liver of silver carp (Hypophthalmichthys molitrix)
Available online 4 June 2025
Silver carp (Hypophthalmichthys molitrix) is one of the four major Chinese carps and is widely distributed throughout the country. Notably, silver carp feeds on plankton and plays an important role...
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Illuminating the conservation darkness: Unveiling the neglected interactions between odontocetes and the light falling-net fishery in the South China Sea
Available online 4 June 2025
The Anthropocene era is characterized by the far-reaching impacts of human activities on the biosphere, making it a critical time for ecological conservation and management. One of the most direct and...
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