A Monogenean Gill Parasite within the Genus Haliotrema (Ancyrocephalidae) Infecting Argyrops filamentosus Fish: Morphology and Molecular Studies

Abdel‐Gaber, Rewaida; Alghamdi, Masheil; Quraishy, Saleh Al; Al-Shaebi, Esam M.; El‐Khadragy, Manal F.; El‐Ashram, Saeed; Dkhil, Mohamed A.

doi:10.3390/ani13061010

Cited by 3 publications

(1 citation statement)

References 32 publications

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“…The ectoparasites types was found in barramundi as the host taken from floating net cages in this study includes Trichodina sp, Cryptocaryon sp, Benedenia sp,and Diplectanum sp (Figure 1), while the endoparasites found only the species of Camallanus sp. Compare to ectoparasites attacking marine aquaculture in Indonesia include parasites from the genera Benedenia, Neobedenia, Diplectanum, Pseudorhabdosynochus, and Trichodina, while the genus of ectoparasite often found on barramundi is Halioterma, which attacks the gills [20][21] [22].…”

Section: Presence Of Parasitesmentioning

confidence: 99%

Parasites Infestation on Cultured Barramundi (Lates calcarifer) and the Impact of Fish Health

Pattipeiluhu,

Rijoly,

Sahetapy

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Barramundi Lates calcarifer is one of the leading marine aquaculture commodities in Indonesia, therefore fish health should be observed. This study was conducted to determine the type and number of parasites present in barramundi, the prevalence, mean intensity and mean abundance of parasite and the number of leukocytes in each individual, based on the level of infestation. This study used a quantitative descriptive method, using a total of 30 fish with two different sizes of host of ± 20 cm (large) and ±5 cm (small) each as many as 15 individuals. The results showed that size of host samples influenced the number of parasites infested with the prevalence of 40%, while ectoparasite 20%. This may due to differences in the living environment as well as the larger host provides more space to the parasites. The ectoparasites found in barramundi, namely Trichodina sp, Cryptocaryon sp, Benedenia sp, Diplectanum sp and endoparasites, namely Camallanus sp. Ectoparasites Trichodina sp. has the highest mean intensity of 20%. The highest mean abundance on large fish was 3.2 ind/fish on ectoparasite and endoparasites was 0.07 ind/fish. The lowest leukocytes were 179.82 103/μl (19.6 cm) and the highest in sample number three was 218 103/μl (20 cm), all exceeded the normal amount of leucocytes cells for fish was uninfected.

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Section: Presence Of Parasitesmentioning

confidence: 99%

Parasites Infestation on Cultured Barramundi (Lates calcarifer) and the Impact of Fish Health

Pattipeiluhu,

Rijoly,

Sahetapy

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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A new species of Kannaphallus (Polyopisthocotylea: Heteraxinidae) parasitic on the twobar seabream Acanthopagrus bifasciatus (Sparidae, Teleostei) in Saudi Arabia

Alojayri,

Abdel‐Gaber,

Mohammed

et al. 2024

Invertebrate Biology

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Monogeneans are highly host‐specific parasites infecting marine and freshwater fish. However, little information is available about the parasitic taxa within Heteraxinidae. An integrative study was performed to understand the taxonomic status of an unconfirmed heteraxinid marine species parasitizing the gill region of Acanthopagrus bifasciatus (Sparidae) from the Arabian Gulf (Saudi Arabia). Based on the morphological study, this parasite has all the generic features of the genus Kannaphallus (Heteraxinidae, Mazocraeidea). Distinct criteria that discriminated this species from other taxa of the same genus are the presence of genital spines (26–29), a short sclerotized duct in the male copulatory organ, the number of testes (mean 40, range 30–50), and clamps in the haptoral structure (45–50 in a long row and 19–22 in a short row). DNA of parasite species reported in the present study was amplified and sequenced for the nuclear large subunit of the ribosomal RNA (28S rRNA) gene and the mitochondrial cytochrome c oxidase subunit I (COI) gene. Results indicate that sequences obtained from both genes are unique and different from related sequences from the genus Kannaphallus. Morphological as well as molecular data indicate that our specimens are from a new species, and the name Kannaphallus acanthopagrusi n. sp. is suggested. This is the first report of a heteraxinid parasitizing marine sparid fish from Saudi Arabia, with unique morphological and molecular features.

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Morphological identification tools of Pseudodiscocotyla opakapaka and Kannaphallus raphidium (Monogenea: Polyopisthocotylea) from Acanthopagrus bifasciatus (Spariformes: Sparidae)

Alojayri,

Al-Shaebi,

Al-Quraishy

et al. 2024

Arq. Bras. Med. Vet. Zootec.

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Fish is considered one of the nutritive protein sources affected by various parameters including parasitism. Monogeneans are an ectoparasitic species infecting fish’s skin, fins, and gills. During the present investigation, a total of 40 fish samples of the twobar seabream, Acanthopagrus bifasciatus (Perciformes: Sparidae) were collected from the coastal region along the Arabian Gulf (Saudi Arabia). The collected fish samples were dissected and examined for the presence of monogenetic parasites. The recovered parasite species were collected and identified by applying light microscopic examinations. Five out of 40 (12.5%) fish samples were found to be naturally infected with 2 monogenetic species belonging to two families within Polyopisthocotylea (order Mazocraeidea). They recorded two parasite species, namely, Pseudodiscocotyla opakapaka Yamaguti, 1965 and Kannaphallus raphidium Kritsky and Martin, 2023 belonging to families Discocotylidae and Heteraxinidae, respectively. Morphological and morphometric characterizations revealed some differences between the present species and others detected previously. The present findings of P. opakapaka and K. raphidium in A. bifasciatus (fish host) of the Arabian Gulf represent a new host and geographical record for these parasites. Furthermore, more studies are required to include the advanced molecular tools for these monogenetic species and their associated histopathological effects on the infection site.

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A Monogenean Gill Parasite within the Genus Haliotrema (Ancyrocephalidae) Infecting Argyrops filamentosus Fish: Morphology and Molecular Studies

Cited by 3 publications

References 32 publications

Parasites Infestation on Cultured Barramundi (Lates calcarifer) and the Impact of Fish Health

Parasites Infestation on Cultured Barramundi (Lates calcarifer) and the Impact of Fish Health

A new species of Kannaphallus (Polyopisthocotylea: Heteraxinidae) parasitic on the twobar seabream Acanthopagrus bifasciatus (Sparidae, Teleostei) in Saudi Arabia

Morphological identification tools of Pseudodiscocotyla opakapaka and Kannaphallus raphidium (Monogenea: Polyopisthocotylea) from Acanthopagrus bifasciatus (Spariformes: Sparidae)

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