The curious case of Hypotrichidium bichromum n. sp., a new polymorphic and cannibalistic spirofilid ciliate (Ciliophora, Hypotrichia)
Available online 26 December 2024
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 the spiral cirral rows around whole...
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City bug, country bug: how do benthic macroinvertebrate assemblages respond to an urbanization gradient taxonomically and functionally?
Available online 24 December 2024
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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Confronting the “knowledge-action gap” in invasive species prevention: A study of biosecurity behaviors among aquarium hobbyists in Illinois, USA
Available online 20 December 2024
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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Ensuring Water Purity: Mitigating Environmental Risks and Safeguarding Human Health
Available online 20 December 2024
Water is an indispensable resource for sustaining life, ecosystems, and economic productivity. However, increasing contamination and pollution pose severe threats to global water purity, with significant...
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Underwater noise in the Xinluo Reserve: a potential stressor for the critically endangered Yangtze finless porpoise
Available online 20 December 2024
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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miR-144 targets Nrf2 affecting the intestinal oxidative damage induced by oxidized fish oil in Megalobrama amblycephala with emphasis on autophagy and apoptosis
Available online 19 December 2024
To explore the modulatory role of miR-144 in Nrf2 cascade reactions and assess its potential as a target for alleviating oxidative fish oil-induced intestinal damage in Megalobrama amblycephala, four...
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Genome size affects phytoplankton response to environmental factors: a preliminary exploration in 26 lakes in the region east of the Hu Huanyong Line
Available online 19 December 2024
Given their varied physiological and ecological attributes, phytoplankton frequently exhibit disparate responses to changes in environmental conditions. Therefore, when studying modifications in the...
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Identification and Functional Characterization of IGFBP Genes in Leopard Coral Grouper (Plectropomus leopardus): Insights into Growth Regulation and Stress Response
Available online 19 December 2024
The Insulin-like Growth Factor Binding Protein (IGFBP) family genes, which function as carrier proteins in the circulation, are integral to various physiological processes such as growth, metabolism,...
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Condition index for Cerrado springs: A simplified and efficient tool for conservation planning
Available online 16 December 2024
Springs are essential for water security in the Cerrado (Neotropical Savanna Biome), especially considering its prolonged dry periods. However, the protection of these environments is often compromised...
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The role of plin2a in glycolysis regulation in Sertoli cells and its cascading impact on spermatogonial development in black rockfish (Sebastes schlegelii)
Available online 13 December 2024
The black rockfish (Sebastes schlegelii) is a marine species that is economically important in aquaculture, and the efficiency of its spermatogenesis is vital for its success in the aquaculture industry....
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Do fish in an urban river system use a rehabilitated and reconnected stormwater pond during the summer?
Available online 13 December 2024
For mobile animals such as fish, different habitat types at various life stages are required to support a broad range of ecological requirements. However, in urban areas, access to suitable habitat...
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A computer vision and RFID fusion-based method for measuring individual feed intake and its application for detecting individual differences in feed efficiency of large yellow croaker (Larimichthys crocea)
Available online 9 December 2024
Estimating the individual feed intake (FI) for multiple consecutive meals of fish reared at commercial densities has long been a challenge and this difficulty has prevented the genetic improvement of...
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Density-dependent effects of zooplanktivorous Thin Sharpbelly (Toxabramis swinhonis) on plankton assemblages and water quality: Implications for lake rehabilitation
Available online 5 December 2024
Because of anthropogenic and natural factors, zooplanktivorous fish often dominate fish assemblages within lake ecosystems along the middle and lower reaches of the Yangtze River Basin (MLYRB), China....
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Passage efficiency and behavioral performance of Schizothorax davidi through different sections of a long vertical slot fishway
Available online 4 December 2024
Fish passage facilities are constructed worldwide to enable fish to pass anthropogenic obstacles (i.e., dams) and re-establish river connectivity. The construction of these facilities involves sophisticated...
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Effects of microplastics on larval ingestion, survival, and development of sea cucumber Holothuria leucospilota
Available online 3 December 2024
The presence of microplastics in the marine environment poses a potential threat to juvenile and adult sea cucumbers; however, the effects of microplastics on the early developmental stages of sea cucumbers...
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Organelle and transcriptomic genomes of a freshwater brown alga and further insights on the phylogenetic relationship of red secondary plastid-derived lineages
Available online 30 November 2024
Freshwater brown algae have been acknowledged as the least diverse of all groups of freshwater algae. Morphological and molecular investigation were conducted on a freshwater brown alga collected in...
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MicroRNA profiling yields immune response and metabolic changes in juvenile largemouth bass (Micropterus salmoides) infected with LMBV
Available online 29 November 2024
The largemouth bass virus (LMBV) exhibits high pathogenicity in both adult and juvenile largemouth bass, causing substantial economic losses within the aquaculture industry. MicroRNAs (miRNAs) are crucial...
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Licochalcone A alleviates the pathogenicity of Aeromonas hydrophila by affecting the function of aerolysin
Available online 27 November 2024
Proteins in aquatic products satisfy the increasing demand of high-quality proteins of humans, resulting in a rapid development of freshwater aquaculture. However, bacterial diseases in aquatic animals...
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The lake cod Gadus morhua kildinensis in the context of conservation biology
Available online 26 November 2024
Atlantic cod, Gadus morhua, is a marine fish, but there are several Arctic lakes, where it also occurs. Mogilnoye Lake on Kildin Island in the Barents Sea is especially famous for them. It is a salinity...
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Muscle metabolism in response to oxidized fish oil feed in juvenile Nile tilapia
Available online 22 November 2024
To investigate the effect of oxidized fish oil on fish muscle metabolic responses and flesh quality, Nile tilapia (Oreochromis niloticus) weighing 13.73 ± 0.31 g were fed two diets for 12 weeks:...
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Understanding the mechanisms of hypoxia-induced tissue damage in fish: The role of GasderminEa/b in Larimichthys crocea
Available online 22 November 2024
Hypoxia is one of the major environmental stressors, frequently resulting in serious yield losses for maricultured large yellow croaker (Larimichthys crocea). We know that pyroptosis contributes to...
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Single-cell RNA sequencing of zebrafish olfactory epithelium reveals cellular heterogeneity and responses to a conspecific alarm substance
Available online 22 November 2024
Olfaction, the sense of smell, is vital for the survival of many species and serves as an excellent system for investigating the molecular basis of behavior. Fishes possess a well-developed olfactory...
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CRISPR/Cas9 mutagenesis reveals an essential role of PI4KB in promoting growth and resisting hemorrhagic disease caused by GCRV-II infection in juvenile grass carp
Available online 21 November 2024
Few studies have reported obtaining grass carp resistant to hemorrhagic disease via gene editing in commercial fish. Here, we demonstrate that the expression and activity of grass carp PI4KB (gcPI4KB)...
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Distinct ecological processes shape micro-eukaryotic generalists and specialists in a canal-disturbed wetland, Lake Weishan, China
Available online 15 November 2024
Micro-eukaryotic communities are highly sensitive to environmental changes, and their structure offers crucial insights into the impact of human activities on aquatic habitats. Despite their significance,...
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Eggshell waste as a promising adsorbent for phosphorus recovery from wastewater: A review
Available online 1 November 2024
Phosphorus is a plant nutrient that is the main driving force of eutrophication, a serious type of water pollution. Various techniques and materials have been used to identify cost-effective, environmentally...
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