2026 July - 58 articles
While the impact of the environment on the fish microbiome remains under discussion, studies on the intestinal bacterial diversity of olive flounder are still limited. This study investigated the effects of three temperature conditions, 15 °C (Gr...
The reproductive contribution of river-resident (freshwater) Japanese eels (Anguilla japonica) remains poorly understood, particularly following recent paradigm shifts that emphasise the predominance of ocean-resident “sea eels.” To eluci...
To optimize spat stocking rates for Pacific calico scallop (PCS, Argopecten ventricosus) during nursery culture, two consecutive 8-week trials were conducted to evaluate growth in land-based downweller and upweller systems. Four stocking rates (60%,...
Understanding the upstream-attempt behavior of fish in high-flow environments is important for refining behavioral simulations, optimizing fish-passage design, and protecting aquatic ecosystems. This study investigates Schizothorax oconnori, an endem...
Fish schooling is a common phenomenon in nature, and offers valuable inspiration for the design of underwater biomimetic propulsors. To investigate the fluid interaction mechanisms among individuals in an oblique tandem arrangement, this study conduc...
Underwater fish detection (UFD) is pivotal for smart aquaculture and marine ecological monitoring. While recent detectors improve accuracy using stacked feature extractors or heavy attention modules, they often incur substantial computational overhea...
The accurate prediction of hydrodynamic characteristics and structural responses in underwater fishing gear is critical for optimizing design, ensuring operational safety, and minimizing environmental impact. To overcome the computational costs and s...
Seasonal variability and reproductive investment influence oxidative metabolism in fish; however, the relationship between reproductive dynamics and antioxidant responses in freshwater cyprinids remains insufficiently understood. This study investiga...
Background: This study was conducted to determine the effect of various fatty acid ratios added to diets of rainbow trout (Oncorhynchus mykiss, Walbaum) on some sperm parameters and parameters related to arginase activity. Methods: A total of 99 male...
The striped mullet (Mugil cephalus) and white mullet (Mugil curema) support artisanal fishing at the mouth of the Soto La Marina River, Gulf of Mexico, an area of great ecological value within the Laguna Madre and Rio Bravo Delta Protected Natural Ar...
As climate changes worldwide, aquaculture is increasingly exposed to stressors such as warming, altered ocean chemistry, increased CO2 “ocean acidification”, and reduced dissolved oxygen (DO) (i.e., hypoxia). Hypoxic events may also occur naturally d...
To characterize the fish community composition and seasonal variation in the coastal waters of Sanya, a tropical coastal region on Hainan Island in the northern South China Sea, and to evaluate the applicability of environmental DNA (eDNA) metabarcod...
Large-scale fishing bans are increasingly implemented to restore aquatic ecosystems, yet their effects on lower trophic levels remain poorly understood. As one of the world’s largest estuarine systems, the Yangtze River Estuary has been subject...
Small shelter structures may affect the spatial use, locomotor state, and group spatial relationships of juvenile black seabream (Acanthopagrus schlegelii), but behavioral responses induced by different structure types remain insufficiently examined...
Guide-net marine mammal bycatch reduction devices (BRDs) are intended to reduce protected species interactions in trawl fisheries, but their use may also cause catch loss of commercial fish and cephalopods. We restructured June and September 2024 sea...
Loop lines (also known as traplines) represent a recent innovation in pelagic longline fisheries, particularly targeting swordfish (Xiphias gladius). Originating in Japanese fisheries during the mid-2000s, their use has expanded across the Pacific, A...
The flatfish Citharichthys spilopterus is a common predatory species in the estuaries of the southwestern Gulf of Mexico. In general, factors controlling the foraging behavior of fish can be extrinsic (environmental conditions) or intrinsic (size-rel...
Common carp (Cyprinus carpio) fry were fed diets containing defatted Hermetia illucens (HI) larvae meal at three inclusion levels to investigate its effects on the nutriphysiological status, focusing on protein and fat digestibility (in vitro and in...
Understanding individual growth is essential for assessing exploitation status and supporting sustainable fishery management. For the southern Brazilian stock of the mullet Mugil liza, previous growth estimates were based on whole otolith readings an...
This study focused on Platypharodon extremus, a species endemic to the Qinghai–Tibet Plateau, and systematically analyzed its reproductive biology, sex steroid hormones, ovarian histology, and transcriptomic characteristics throughout its compl...
The swimming crab (Portunus trituberculatus) is a commercially important marine aquaculture species. After multiple generations of selective breeding, the third improved variety in China, “Huangxuan No 2” (HX2), was successfully developed...
Global warming and summer heatwaves increasingly threaten the survival of cultured Babylonia areolata, but the heat tolerance of different geographical populations and the potential for genetic improvement by hybridization remain poorly understood. I...
No-take Marine Protected Areas (MPAs) are widely used to conserve biodiversity and rebuild fish populations, but their ecological benefits can vary among locations and habitats. Cod Grounds Marine Park protects a key aggregation site for the critical...
Artificial feeds are considered a sustainable alternative to natural live feeds for mandarin fish (Siniperca chuatsi) aquaculture, but their impacts on hepatic metabolism and growth remain unclear. In this study, a total of 800 adult mandarin fish wi...
(1) Background: Vaccination is crucial for Ctenopharyngodon idella, yet the impact of delivery methods on welfare and immunity requires investigation. (2) Methods: This study compared manual (HI-V) and automated (AI-V) injections of inactivated Aerom...
Ichthyoplankton communities provide important information on spawning dynamics and early life-history processes of fish populations. This study investigated the species composition and seasonal occurrence of fish eggs and larvae in Yeongil Bay, in th...
Praziquantel (PZQ) is a widely used antiparasitic drug in aquaculture; however, data on its environmental fate, tissue distribution, and metabolite kinetics in fish following bath treatment remain limited, particularly with respect to its metabolites...
The study aimed to determine the habitat preferences of the round goby (Neogobius melanostomus), European flounder (Platichthys flesus), and three-spined stickleback (Gasterosteus aculeatus). Two types of substrate were included in the experiment&mda...
Marine sport fishing is an increasingly important socioeconomic activity in Mediterranean coastal regions, although its ecological implications and interactions with vulnerable taxa remain poorly understood. This study analyses shore-based marine spo...
Dolphinfish are highly valued pelagic fish for both commercial and recreational fisheries. In Mexico, the species is reserved exclusively for sportfishing within 50 nautical miles of the coastline, making the country unique in enforcing such a rule....
The sea cucumber Apostichopus japonicus is of great economic value and is mainly cultivated in China. The application of formulated feeds has been widely used in massive sea cucumber aquaculture in recent years. With the attempt to investigate and ev...
The replacement of fishmeal with plant-based ingredients in aquafeeds, while economically and environmentally advantageous, can impair lipid metabolism and liver function in fish due to the lack of specific bioactive compounds such as bile acids (BAs...
Piscirickettsia salmonis is one of the most significant pathogens affecting salmon farming. Besides liver, head kidney and spleen, skeletal muscle has shown transcriptional immune responses to these bacteria, but the contribution of non-coding RNAs r...
Hepcidin is a multifunctional peptide involved in innate immunity and iron homeostasis, yet its earliest developmental regulation in sturgeons remains poorly understood. Here, we investigated maternal loading and embryonic expression patterns of hepc...
An 8-week feeding trial was conducted to investigate the regulatory effects of dietary chitosan oligosaccharide (COS), chlorogenic acid (CGA), and thymopeptide (TH) on the growth performance, antioxidant capacity, and metabolism of juvenile Rhinogobi...
This study investigated the effects of choline on endogenous phospholipid synthesis in Chinese mitten crab (Eriocheir sinensis). Chinese mitten crabs (0.40 ± 0.03 g) were fed diets supplemented with 0%, 0.2% or 0.4% choline under low phospholi...
Cynoscion jamaicensis is an important demersal species in the Southeastern Brazilian Bight (SEBB), yet information on its population dynamics in this region is limited and out of date. This study provides the first assessment of the species’ ag...
Crayfish with cyan soft-carapace and red hard-carapace differ considerably in market value. To investigate the causes underlying this difference in shell color, we selected 120 healthy Procambarus clarkii of similar size (9–10 cm), equally divi...
Chemical euthanasia protocols are routinely applied across zebrafish developmental stages, but the effects of formulation, time exposure, and developmental stage remain unclear and could introduce variability in transcriptional results and interfere...
Oysters, as sessile organisms, are highly influenced by environmental conditions affecting their growth and reproduction. Therefore, unfavorable conditions can directly compromise the effectiveness of oyster reef restoration efforts. The study applie...
Sustainable management of intensive aquaculture areas requires a profound understanding of the feeding interactions between cultured species and their environment. This study compared the seasonal feeding performance of the Pacific oyster Magallana g...
Beyond their role as fishmeal replacements in aquafeeds, insects may enhance fish resistance to microbial diseases and improve feed shelf life through the presence of antibacterial compounds. This study evaluated the antibacterial activity of extract...
Ovarian maturity in live female mud crabs (Scylla paramamosain) strongly affects harvest decisions and market value. Current ovarian maturity assessment relies mainly on expert-dependent methods that are subjective and destructive. Therefore, this st...
This study evaluated the effects of partial replacement of fishmeal with 11% defatted Hermetia illucens meal (corresponding to approximately 35% replacement of the fishmeal-derived animal protein fraction) on growth performance, fillet proximate comp...
The intensification of largemouth bass (Micropterus salmoides) aquaculture has increased the incidence of infectious diseases and metabolic disorders, raising concerns about antimicrobial resistance. Nutritional immunology offers a sustainable preven...
To address the common challenges in fish recognition tasks under complex backgrounds, such as target overlap, occlusion, and chaotic spatial distribution, an improved YOLOv11 recognition model based on the Vision Transformer (ViT) is proposed. Tradit...
The rice-field eel (Monopterus albus) is an important economic aquaculture species in China. Aeromonas veronii is one of the most common pathogens, which has a high infection and mortality rate in rice-field eel culture. In this study, a strain of A....
The goal of this study is to assess how dietary Atractylodes lancea ultrafine powder (AUP) affects crucian carp (Carassius auratus) growth, body composition, and hypoxia tolerance. A total of 630 crucian carp (13.21 ± 0.17 g) were fed diets co...
The present study investigated the association between single-nucleotide polymorphisms (SNPs) and resistance to Micropterus salmoides rhabdovirus (MSRV) in largemouth bass. Candidate SNPs were first screened from transcriptome sequencing data and sub...
Accurate prediction of the potential habitat distribution of Scomber japonicus, an important target species in China’s distant-water fisheries, is essential for fishing ground forecasting. Using catch data for S. japonicus collected from Chines...
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