Fish parasites (special issue)

Dezfuli, Bahram Sayyaf; Scholz, Tomáš

doi:10.1017/s0031182022001433

Cited by 5 publications

(1 citation statement)

References 16 publications

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“…Fish are the most species-rich group of vertebrates on Earth and inhabit the majority of aquatic habitats globally. They are one of the key sources of proteins for human consumption and fisheries through aquaculture represent an important part of food security (1). Diseases in fish, especially those caused by parasites, can cause a decrease in the quality of fish and health problems in humans (2).…”

Section: Introductionmentioning

confidence: 99%

Comparison of Ectoparasites infestation for fresh and saltwater Fishes from Euphrates, and Razzaza Lake, Iraq

JAWAD,

ALALİ,

AL‑KHATEEB

et al. 2023

Bozok Veterinary Sciences

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Parasitic infestations represent one of the main challenges to fresh water and marine fish all areas of the world. The infections are commonly found on the skin and gills of fish and can cause dangerous problems, as mortality, in heavily parasitized infections. This study was conducted to detect of ectoparasite types in Fishes, 200 of Coptodon zillii from Euphrates and 120 Cyprinus carpio from Razzaza Lake, were used for this study in aquatic environment. The specimens were purchased at 2022 in different periods from market and selected. The collection of fish using gill nets. The collected of fish samples was carried out in lab and used macroscopic inspection, gross viscera, microscopic exam-wet mount of fins, skin, gills and eyes. The results of the both infected fishes revealed the presence of several clinical signs. The prevalence was 65.6%, in Coptodon zillii was 30% and Cyprinus carpio was 100%. Indeed, we observed the appearance of necrotic areas, ulcerations and hemorrhage on the gills. On others body parts, we found Protozoa and Monogeneans parasites. The identification of ectoparasite were obtained in fins, skin, and gills and no infection in eyes. There are 4 types of ectoparasites were infect to Coptodon zillii, that is Trichodina sp., Ichthyophthirius multifiliis sp., Dactylogyrus sp., and Gyrodactylus sp. While, Cyprinus carpio that is I. multifiliis and Gyrodactylus sp. Significantly of results at P≤0.05 of fish type with weight and long but not significant for genders in both types. In future studies should be focusing on modern tools to identification of parasites species in different environments.

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Section: Introductionmentioning

confidence: 99%

Comparison of Ectoparasites infestation for fresh and saltwater Fishes from Euphrates, and Razzaza Lake, Iraq

JAWAD,

ALALİ,

AL‑KHATEEB

et al. 2023

Bozok Veterinary Sciences

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BASELINE SURVEY ON ENDOPARASITIC FAUNNA OF THE SILVER CATFISH (Chrysichthys nigrodigitatus) FROM ESCRAVOS ESTUARY, DELTA STATE NIGERIA, AND ITS ZOONOTIC IMPLICATION FOR FISH CONSUMER’S HEALTH

Michael,

Eyo,

Eriegha

2024

FJS

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The Silver Catfish (Chrysichthys nigrodigitatus) is one of the important food fishes for the inhabitants of the Escravos Estuary. Due to lack of information on the parasites of fish species in the Escarvos Estuary, including C. nigrodigitatus, fish eaters from the Escravos Estuary are at grave danger of contracting zoonotic diseases. The purpose of this study was to determine the prevalence of endoparasites in the Silver Catfish (Chrysichthys nigrodigitatus) from the Escravos Estuary, Nigeria. A total of 180 samples of C. nigrodigitatus were collected from September 2023 to February 2024 from fish landing sites in Okerenkoko community. The fish samples were transported to Fisheries and Aquaculture Laboratory, Nigeria Maritime University, Okerenkoko for examination and endoparasites identification. Two genera of endoparasites were found that infect C. nigrodigitatus from the Escravos Estuary, namely Procamallanus laevionchus and Pomphorhynchus laevis belonging to nematode and acanthocephalan. Only 6 samples were infected with 12 endoparasites with a total prevalence of 3.33 %. More hosts were infested with more parasites in the rainy season than dry season with a rainy season prevalence of 4.17 % and 1.17 % for dry season. Prevalence (6.25 %) of endoparasites was higher in 40.0 – 49.9 cm size class than other length classes with 20.0 – 29.9 cm size class recording the least prevalence (1.67%). More female hosts (66.67%) were infested than male hosts (33.33 %). Parasites were only found in the intestine and stomach of C. nigrodigitatus with no parasite in the fillet, liver, heart, and kidney. In conclusion,...

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Parasitism with Protozoa and Monogeneans in Fish from the Natural Waters of Romania

Dărăbuș,

Ujvari,

Imre

2024

Microorganisms

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Parasitism by protozoa and monogenean flatworms in freshwater fish from Romania was studied by collecting and examining samples from two major river systems there: 183 fish from 17 species from the Olt River and its tributaries; and 155 fish from 16 species from the Mureș River and its tributary, Târnava Mare. The average rates of parasitism in the samples from the two rivers and their tributaries were as follows: Ichthyiophthirius multifiliis (2%), Trichodina spp. (21%), Apiosoma spp. (18%), Mixobolus spp. (8%), Dactylogyrus spp. (9%), and Gyrodactylus spp. (10%). The number of parasite species varied from one river to another. I. multifiliis was found in only 3 fish species, Trichodina spp. in 13 species, Glosatella spp. in 6 species, and Mixobollus spp., Dactylogyrus spp., and Gyrodactylus spp. in 7 different species each. The highest number of parasite species (six) were identified in the European chub (Squalius cephalus) and schneider (Alburnoides bipunctatus), which seem more susceptible to parasitic infections. The aquatic environment of these rivers may represent a source of parasites for fish from neighboring countries through which these rivers pass.

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Fish parasites (special issue)

Cited by 5 publications

References 16 publications

Comparison of Ectoparasites infestation for fresh and saltwater Fishes from Euphrates, and Razzaza Lake, Iraq

Comparison of Ectoparasites infestation for fresh and saltwater Fishes from Euphrates, and Razzaza Lake, Iraq

BASELINE SURVEY ON ENDOPARASITIC FAUNNA OF THE SILVER CATFISH (Chrysichthys nigrodigitatus) FROM ESCRAVOS ESTUARY, DELTA STATE NIGERIA, AND ITS ZOONOTIC IMPLICATION FOR FISH CONSUMER’S HEALTH

Parasitism with Protozoa and Monogeneans in Fish from the Natural Waters of Romania

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