Cyprinidae - Science topic

Fish species diversity and richness are influenced by ecological niches, environmental stress, and the tolerance range of species traits. The Baya River, which flows between the Ganga River basin and the Burhi Gandak River basin, has been a significant site for ichthyofaunal studies. A total of 56 fish species were previously reported near Koiria N...

The conservation of fish diversity is crucial for protecting endemic species, maintaining ecosystem balance, and preserving habitats. As bioindicators, their diversity reflects the health of aquatic ecosystems. The study, conducted at three sampling sites of Watawala Ella Falls, Ratnapura District, Sri Lanka, in November 2024 over 15 days, aimed to...

In this study, the feeding habits of seven pelagic forage fish species inhabiting the Adriatic Sea, were evaluated by applying the stomach content analysis. Each month from June 2023 till September 2024 all biological samples were collected along the eastern Adriatic by commercial purse seiner “srdelara”. A total of 742 stomach samples were analyse...

This study investigates the impacts of hydrological regime alterations on fish community structure and ecological types in the Yibin section of the Yangtze River. Utilizing eDNA metabarcoding data from 2021, combined with historical records, the study offers a comprehensive analysis of fish community structure, structural evolution, and shifts in d...

The commercial demand for small pelagic fish, such as Atlantic chub mackerel (Scomber colias), renders them susceptible to provenance fraud. Scomber colias specimens intestinal tract bacteriome from five distinct fishing areas along the Portuguese Atlantic coastline were analyzed by 4th-generation sequencing. Bacteria diversity indices and differen...

Winter involves long periods of low water temperatures, with the activities and movements of many temperate fish species being reduced compared with summer. In very cold periods, individuals can become winter quiescent. The extent to which the activities and movements of many fish species reduce in winter is unknown, including how these decrease in...

The present study examines the fatty acid (FA) profiles of the Atlantic chub mackerel (Scomber colias) and the Mediterranean horse mackerel (Trachurus mediterraneus), from the NW Mediterranean, focusing on FA distribution across maturity stages in three lipid fractions: reserve lipids, membrane lipids, and free fatty acids (FFAs). Results show that...

In Japan, Argulus coregoni Thorell, 1864 is usually regarded as a parasite of salmoniform fishes, such as those belonging to two families (Salmonidae and Plecoglossidae), but this parasite has also been reported from several fish species of other taxonomic groups. In this study, A. coregoni is briefly described based on specimens collected from the...

Background: The bacterial load in fresh and frozen fish is a major public health concern. Aim: This study aimed to determine the prevalence of human pathogenic foodborne bacteria and their antibioticresistance profiles in fresh and frozen chub mackerel (Scomber japonicus) fish. Methods: A total of 60 samples of fresh and imported frozen chub macker...

In this paper, we analyzed the mitochondrial genome data of Acheilognathus mengyangensis and used the multi-gene tandem method to elucidate its taxonomic status. The total length of the mitochondrial genome is 16,779 bp, including 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and D-loop region. Overall, there was strong AT bias and anti-G b...

Alterations in the acoustic environment owing to anthropogenic sound are recognised as global pollution and strengthening studies in freshwater. This study focuses on the impact of lake seismic surveys on fish. First, we measured individual stress responses, i.e. cortisol levels and oxidative stress, morphological parameters, and stomach contents o...

Freshwater fishes are among the most threatened taxa in the world. A major challenge for the conservation and management of threatened fishes is scarce information regarding life history, habitat requirements, and the drivers of declines. Species distribution models (SDMs) that leverage existing occurrence records and geospatial data have aided in...

This study evaluated the effects of polyethylene microplastics (PE-MPs) on the biochemical and oxidative stress parameters in Benni fish (Barbus sharpeyi). Fingerlings (average weight: 10 ± 2 g, length: 6 ± 1 cm) were exposed to PE-MP concentrations of 0, 200, 400, 800, and 1600 mg/L for 21 days under controlled laboratory conditions. Biochemical a...

Feeding habits and dietary preferences of wels catfish (Silurus glanis) were investigated in Sıddıklı Dam Lake through the examination of 200 individuals. The results revealed that the species predominantly exhibited piscivorous feeding characteristics, with Tinca tinca (IRI% = 78.93) identified as the primary food source. The food items in the sto...

Modularity and integration are key developmental properties and have remained central in evo‐devo research because of how they relate to evolvability. While modularity and integration have commonly been assessed with landmark‐based geometric morphometrics (GMM), other methods such as anatomical network analysis (AnNA) are increasingly being explore...

The Pliocene site of Camp dels Ninots (Caldes de Malavella, NE Spain) is considered a Konservat-Lagerstätte due to the remarkable preservation of its macro and microvertebrate record, along with floral remains such as leaf imprints and seeds. Its lacustrine deposits, dated from the early Pliocene, have provided a number of semi-articulated and isol...

Extracellular vesicles (EVs) are celebrated for their pivotal roles in cellular communication and their potential in disease diagnosis and therapeutic applications. However, their inherent heterogeneity acts as a double‐edged sword, complicating the isolation of specific EV subpopulations. Conventional EV isolation methods often fall short, relying...

Labeo niariensis sp. nov., a small‐sized Labeo species, is described from the Kouilou‐Niari River system in the Lower Guinean ichthyofaunal province. The species is a member of the newly erected Labeo annectens species group. Morphologically, it is distinguished from all congeners by the presence of a deeply bifurcate posterior process of the kinet...

Hybridization - the successful reproductive cross between individuals from different species - is increasingly recognized as a relatively common phenomenon in nature, mostly due to the increasing availability of genomic data for many organisms and the development of sophisticated methods to detect past gene flow. As a result, evidence of past gene...

Chub mackerel (Scomber japonicus) is a typical small pelagic fish in the high seas of the Northwest Pacific Ocean (NPO), with great ecological and economic values. It is crucial to understand the spatio-temporal distribution and the population dynamics of chub mackerel for commercial fishing and fishery management. In this study, we analyzed the po...

Background: Parasitic infections in aquarium fish, similar to those in other animal species, can lead to significant economic losses for the industry and hobby breeders. This study aimed to determine the prevalence of parasitic infections in aquarium fish in Konya province by assessing various fish species collected from different aquariums. Method...

Leuciscus chuanchicus, a fish distributed in the upstream regions of the Yellow River, was the focus of this study, which aimed to depict the structural characteristics of its mitochondrial genome and clarify its phylogenetic relationship within Leuciscus. High-throughput sequencing technology was used to obtain the complete mitochondrial genome of...

Citation: Linløkken, A.N.; Grimsgaard, A.B.; Eloranta, A.P. Long-Term Changes in Fish Community Composition of a Coregonid Dominated Oligotrophic Lake. Hydrobiology 2025, 4, 10. Abstract: Cold-water lakes in high-latitude regions are experiencing rapid changes in community structure and functioning associated with local and global stressors (e.g.,...

The present study was conducted to assess the diversity of fish fauna in four freshwater bodies of Chhattisgarh, Central India and its association with some water quality parameters. Four freshwater bodies viz; Khutaghat dam (D1), Kori dam(D2), Minimata dam (D3) and Khudia dam(D4) of Chhattisgarh were sampled for assessment of fish faunal diversity...

Najnovija istraživanja na polju ihtiologije, zasnovana na molekularnogenetičkim istraživanja dovela su do promjene u shvatanju sistematike mnogih riba. Tako klijen više ne pripada familiji Cyprinidae, već familiji Leuciscidae o čemu će biti govora u nastavku. Ovo istraživanje nije imalo za cilj provjeru valjanosti pomenutih shvatanja, nego da prate...

During an ichthyoparasitological survey in northeast Thailand in 2015, four species of acanthocephalans were found in four species of freshwater fishes. Adult stages of Pallisentis rexus Wongkham & Whitfield, 1999 and Raosentis sp. (Eoacanthocephala, Quadrigyridae) were collected from Channa striata (Anabantiformes, Channidae) and Mystus mysticetus...

Discogobio is a genus of small, economically important freshwater fishes that are widely distributed in Southwestern China. The species of the genus are morphologically very similar, which makes their taxonomic identification quite challenging. DNA barcoding technology can identify species at the molecular level, thus overcoming the limitations of...

The objective of the paper is to sum-marise the scientific findings on the maximum lengths and weight of freshwater fishes in trophy catches of Ukrainian anglers based on the au-thor's materials. Methodology. As a result of many years of studies and observations (2000-2021), the data on the maximum lengths and weights of 18 species of freshwater fi...

Environmental DNA (eDNA) metabarcoding was utilized to compare the fish species composition, diversity, and their relationships with environmental factors in four medium-sized drinking water reservoirs (Tongjiqiao, Andi, Shafan, and Jinlan) within the Qiantang River Basin during both wet and dry seasons. A total of 44 fish species belonging to 6 or...

Mouth morphology plays a crucial role in determining the trophic ecology of fish and sometimes underpins important lineage diversification. Freshwater teleost fish species belonging to the genus Labeobarbus, commonly found in Africa, exhibit intra‐ and interspecific variation and differences in the lower jaw occurring within and between species, re...

Present study aimed at assessing the diversity of fishes from Panchganga River, Ichalkaranji. As Ichalkaranji is well known for cotton industry and due to that the river is polluted, even though during the study total 16 species of freshwater fishes belonging to 4 orders, 10 families and 17 genera were recorded from the sampling sites i.e. Ichalkar...

Pseudorasbora elongata is a unique small fish species endemic to China, distinguished by its striking body coloration resembling a “Chinese ink brush.” Due to environmental changes and anthropogenic factors, its wild populations have declined, and it has been listed multiple times as an endangered species. However, the absence of a chromosomal-leve...

Genus Ceratomyxa comprises coelozoic parasites of mainly marine and brackish water fish. This study describes a new Ceratomyxa species, Ceratomyxa schwanefeldii n. sp. which parasitizes the gall bladder of Barbonymus schwanefeldii collected from Sungai Tong in Setiu, Terengganu, Malaysia. The new species was described using morphological characteri...

• Ризик по екосистем рекe Јадар од арсена (As), бора (B) и литијума (Li) из подземних вода изведених без третмана из рудника јадарита [LiNaSiB3O7(OH)] у реку Јадар оцењен је као реалан и знатан. • У узорцима подземних вода из дубоких бушотина и пијезометара просечни садржај арсена је 271,5 g l-1, бора 3617,65 mg l-1 и литијума 735,75 65 mg l-1, •...

Catch-based methods are widely used in marine fisheries management, particularly for assessing fish stock status in data-limited fisheries. However, their reliability remains controversial, especially when only catch data are available. In fisheries with inadequate monitoring, Catch Per Unit Effort (CPUE) data are often unavailable, despite the pot...

Une détérioration alarmante des écosystèmes aquatiques est observée à l’échelle mondiale, entraînant une profonde altération des habitats et de la biodiversité. Cette problématique est abordée au du lac Saint-Pierre, un secteur du fleuve Saint-Laurent (Québec, Canada), en analysant les changements récents de sa communauté de poissons et en les asso...

The barbels of the subfamilies ´Poropuntinae´ and Smiliogastrinae within the family Cyprinidae play a significant role as a food source for fish in artisanal fisheries and are highly valued as ornamental fish in Thailand. In this study, we employed both conventional and molecular cytogenetics to analyze the karyotype of 15 fish species from two cyp...

During the Miocene, Türkiye was home to more than 400 vertebrate fossil localities. Despite this richness, hitherto, only 11 studies have specifically focused on fossil fishes, while a dozens of others provided only brief mentions of fossil fish evidence. This study offers a comprehensive review on the stratigraphy, geological ages, lithology, and...

The decline of pelagophil minnows is related to river fragmentation across the southern Great Plains landscape. Because we know little about pelagophil movement patterns and timing, we aimed to quantify the movements of the vulnerable Arkansas River shiner (ARS) during the winter (November–March) and prespawning (April–June) seasons. We tagged 4233...

The hybrid offspring of barbel chub Squaliobarbus curriculus and grass carp Ctenopharyngodon idella exhibit stronger resistance to the grass carp reovirus (GCRV) infection than grass carp. Toll-like receptors (TLRs) play indispensable roles in the antiviral immunity of fish. In this study, the structures and antiviral immune functions of barbel chu...

Herbivorous fish are generally considered to be diurnal feeders, but the disappearance of seaweeds at night has been observed in Japan. We conducted field experiments using an infra‐red time‐lapse camera to identify fish browsing on seaweed at night at two sites on Fukue Island, western Japan. At both sites, brown chub (Kyphosus bigibbus) were phot...

Increasing pollution of aquatic ecosystems due to anthropogenic activities underscores the urgent need for effective water quality monitoring. This study evaluates the use of fish scales from chub (Squalius cephalus) and nase (Chondrostoma nasus) as non-invasive bioindicators of trace and macroelement pollution in the Maros/Mureș River. We conducte...

Cryptic diversity, characterized by morphologically similar but genetically distinct species, poses significant challenges to traditional taxonomic methods. Within monogeneans parasitizing northwest African barbels, this complexity hampers species identification, limiting our understanding of diversity, distribution and evolutionary relationships....

Background The Prussian carp (Carassius gibelio) is an invasive fish species from Eurasia that was first found in North America in the Canadian province of Alberta in the early 2000s. In 2018, an established population of Prussian carp was discovered in the neighboring province of Saskatchewan, raising concern for additional spread in Canada and to...

The search for the ancestors of roundworms with zoonotic significance that cause diseases in humans has faced obstacles because nematodes have evolved multiple times over the course of evolution. Biogeographical evidence traces the drainage pathways of streams leading to the Tethys Ocean, which formed 65 million years ago, and as it receded over ti...

Riassunto. Si presenta uno studio preliminare, eseguito nel 2021, sulla qualità dell'acqua della rete idrografica delle sorgenti del comune di Isola Vicentina (VI), secondo il metodo "Indice di Biodiversità Acquatico (IBA)" di WBA Onlus e sull'indice di Funzionalità di Risorgiva (IFR). Sono state svolte 15 uscite diurne da metà marzo a inizio lugli...

Crucian carp (Carassius carassius), a member of the carp family (Cyprinidae), is known for its remarkable anoxia tolerance. The physiological responses and adaptations to anoxia are well documented, but there is a need for better understanding of the molecular regulation and evolutionary mechanisms behind these adaptations. Here we present a high-q...

Discogobio is an important small freshwater economic fish in Southwestern China. In this study, we determined the complete mitochondrial genome (mitogenome) sequences of six Discogobio species by conventional overlapping PCR and Sanger sequencing. The mitogenomes were 16,591–16,605 bp in length and contained 13 protein‐coding genes, 22 transfer RNA...

Garra rufa, commonly known as doctor fish, is a small freshwater cyprinid fish recognized for its high-temperature tolerance. G. rufa is primarily known for its role in ichthyotherapy, in which it helps remove keratinized skin from human hands and feet. However, in recent years, its high-temperature tolerance has attracted attention owing to its po...

In this article, we describe the faunal remains found in a 15th-/first half-16th-century deposit from the kitchen of Park Abbey, a Norbertine abbey that owned large farms and estates since the 12th century. The bone material , combined with information from the abbey's archives allows documenting the provisioning of animal food. Except for the mari...

The genus Cyprinus encompasses economically vital freshwater fish species; yet the phylogenetic relationships and evolutionary history of many taxa within this genus remain unresolved. To address this knowledge gap, we reconstructed the molecular phylogenetic and estimated divergence times using complete mitochondrial cytochrome b (CYTB) sequences...

Both fat minnow Rhynchocypris lagowskii steindachneri (Sauvage, 1883) (Leuciscidae) and dark chub Nipponocypris temminckii (Temminck and Schlegel, 1846) (Xenocyprididae) were recently reported as hosts of Argulus coregoni Thorell, 1864 from the Kushiko River, a tributary of the Hasu River, in Fukui Prefecture, central Japan. However, more recently,...

The ornamental fish trade is a multibillion-dollar sector that involves more than 125 countries, including Sri Lanka. Formalin, 37% formaldehyde, is widely used in the ornamental fish industry as a prophylactic measure or therapeutic purposes. It is usually used to treat ectoparasites that reside on the body surface or gills of fish, and it is also...

Larval fish and aquatic macroinvertebrates are believed to be at greater predation risk by visual riverine predators during periods of higher lunar illumination. Predation rates may also be affected by the taxonomic composition and relative abundance of alternative co-distributed prey. We experimentally tested whether differences in larval lake stu...

Burhi Gandak River is a left-bank tributary of River Ganga and a major riverine ecosystem in North Bihar. The river is home to different freshwater fish species, gastropods, bivalves, and other aquatic animals. The fish diversity and Water quality parameters data were collected in six sampling locations from the period of August 2020 to June 2021....

12, 02000, м. Київ Prichepa1987@ukr.net Дослідження іхтіофауни річки Горенка, правої притоки річки Ірпінь, проведені в 2023-2024 роках на п'яти станціях. Проведено первинну оцінку дослідних станцій за гідроекологічними показниками. Вміст кисню коливався від 4,9 до 7,6 мгО/дм 3 , рН від 7,3 до 8,1, мінералізація від 160 до 290. Ширина русла становил...

Acrossocheilus Oshima, 1919, a cyprinid genus of Cyprinidae in southern China and currently comprises 26 valid species. In this study, we describe Acrossocheilus dabieensis sp. nov. from the Dabie Mountains, China. This new species differs from its congeners by the following combination of characters: The second primary vertical bar (PB2) is situat...

The article deals with the ambivalent situation of tench (Tinca tinca) in German carp pond farms in the past and present.

This study presents the findings from three seasonal field surveys conducted in the Lepenc River and its tributaries during 2023. The surveys were carried out on May, July, and October, focusing on six sampling sites: Prevallë, Lepenc (Kaçanik), Hani i Elezit, Jezerc, Gerlicë, and Nerodime (Kaçanik). Standardized electrofishing technique was applie...

The Bridle Shiner, Notropis bifrenatus (Cope, 1867), Family Leuciscidae, is a small minnow species that ranges in Atlantic coastal river drainages of eastern North America from the St. Lawrence in Canada southward to the Santee River basin of South Carolina. Over several decades notable declines throughout its range have been observed and multiple...

The Na + / K +-ATPase of cell membranes is one of the first to provide the formation of a primary response to the action of factors and initiates the mechanisms of formation of long-term adaptation. That is why the purpose of the study was to study the activity of Na-K pump in embryos and caviar of perch, roach, and ruffe under the action of differ...

In this Letter, we propose an ultralong twisted optical needle array, derived from a circular hyperbolic umbilic beam (CHUB) array. When propagating within a parabolic potential, the CHUBs periodically focus on optical needles. By extending the Heisenberg equation from quantum mechanics to optics, we theoretically demonstrate that introducing a lin...

Fish are generally rich sources of n-3 polyunsaturated fatty acids such as EPA and DHA, and although the edible part (fillet) has been analyzed in many species, less is known about the composition of fish by-products. The analysis of these materials allows them to be evaluated as raw sources of EPA and DHA, thus contributing to sustainable practice...

This study describes a new species, Sinocyclocheilus xingrenensissp. nov., collected from a cave near Xingren City, Guizhou Province, China. Morphologically, the new species can be distinguished from the 80 species currently assigned to the genus Sinocyclocheilus by a combination of the following characteristics: absence of horn-like structures and...

Barbodes klapanunggalensissp. nov. is described on the basis of two specimens collected from the subterranean cave system of Klapanunggal karst area, Bogor Regency, West Java Province, Java Island, Indonesia. The new species is unique among its congeners in completely lacking eyes, its ocular vestige being marked by an orbital concavity fully cover...

Fishes of the genus Puntius under the family Cyprinidae and related species is a complex group in terms of taxonomy and evolutionary relationships. The genus has been revised multiple times yet the taxonomic status of many of these species is still obscure. The use of molecular markers provided new insights and a more accurate resolution of puntid...

Rivers across the world are increasingly fragmented due to anthropogenic barriers, with the restoration of connectivity often using fish passes. Fish passes are, however, usually designed for anadromous species, despite ecologically important non-anadromous species being present in the communities impacted by fragmentation. To assess the outcomes f...

Tench (Tinca tinca) is a warm-temperate, freshwater benthic fish with often unpleasant odors and flavors which result from its natural habitat. These characteristics may deter consumers; therefore, their removal would enhance the fish’s palatability and market appeal. Thus, tench were grown in an aquaculture center and subjected to a clean water de...

West Africa is crossed by several major rivers, including Niger, Senegal, Volta, and Gambia. These rivers, along with their tributaries and deltas, and the coastal zone form a complex fluvial network that supports a variety of aquatic habitats and significant biodiversity. The aquatic ecosystems of West Africa are characterized by high biodiversity...

In order to deeply analyze the individual biological characteristics of unique fish in China, lay a solid foundation for the effective protection of its germplasm resources, and further enrich and consolidate the basic biological data system of endemic fish in the world. According to the ethical norms and fishing licenses, 5 samples of Diptychus ma...

This paper performs a revision of teleost fish and squamate reptile material from the Early Pliocene sites of Berești and Mălușteni (eastern Romania), found in old collections, but never described in detail. The fish assemblage includes a few cyprinid species (Rutilus robustus, Rutilus cf. R. frisii, Scardinius ponticus, Barbus sp., Tinca sp.), Sil...

Exploring the intricate dynamics of aquatic ecosystems present study investigates the spatio-temporal variations in the ecological parameters of the fish community within the Vaishav stream, Kashmir Himalayas. Monthly field investigations were conducted at three distinct sites (SI, SII & SIII) throughout the four seasons (winter, spring, summer, au...

Chromosome rearrangements significantly influence speciation, but the role of chromosome fission is paradoxical due to its link with unbalanced segregation. The kinetochore reproduction theory suggests that fissions from kinetochore duplication should allow normal segregation, though empirical support remains scarce. In the Opsariichthyini tribe (A...

This study discloses a remarkable and rarely documented behavior among two cyprinid species—the common bleak (Alburnus alburnus) and the common roach (Rutilus rutilus)—and one percid species, the European perch (Perca fluviatilis). The primary aim was to reevaluate this distinct behavior, termed “headstand”, and explore its potential implications f...

Fish mass mortality events (FMMEs) represent an escalating ecological crisis, significantly threatening aquatic biodiversity, particularly in North African freshwater ecosystems. Addressing a critical knowledge gap in this region, our study presents the first comprehensive assessment of FMMEs in Moroccan aquatic ecosystems, including freshwater sys...