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62 results for “Marine fish parasite”
Fig. 3 in New Record of a Marine Fish Parasite Nerocila trichiura (Crustacea: Isopoda: Cymothoidae) from Japan, with its Confirmed Distribution in the Western North Pacific Ocean
Fig. 3. Map showing the localities where Nerocila trichiura was collected in the previous (circles) and present (star) studies. 1, 31°N, 76°W (Schioedte and Meinert 1881); 2, the West Indies (Trilles 1979); 3, Dakar Harbor, Senegal (Bruce and Harrison-Nelson 1988); 4, Banana and an unknown locality, Congo (Nierstrasz 1918; Monod 1931); 5, Durban, South Africa (Barnard 1955; Kensley 1978); 6, Comoro Islands (Kensley 2001); 7, Mauritius (type locality, Mier 1877; Bruce and Harrison-Nelson 1988); 8, 10°20′S, 70°00′E (Bruce and Harrison-Nelson 1988); 9, Great Chagos (Stebbing 1910); 10, Tamil Nadu coast, India (Trilles et al. 2013; Rameshkumar et al. 2013); 11, Zamboanga, Philippines (Schioedte and Meinert 1881); and 12, Kowaura Bay, Japan (this paper).
Fig. 2 in Morphology and Sequence Data of Mexican Populations of the Ciliate Parasite of Marine Fishes Trichodina rectuncinata (Ciliophora: Trichodinidae)
Fig. 2. Photomicrographs of silver-impregnated adhesive discs and diagrammatic drawings of the denticles of respective morphotypes studied in the present paper; a and a'. From Enneanectes reticulatus, San Carlos, Sonora. b and b'. From Enneanectes reticulatus, San Carlos, Sonora. c and c'. From Tomicodon zebra, Zihuatanejo, Guerrero. d and d'. From Tomicodon zebra, Cuatunalco, Oaxaca.
Fig. 3 in Morphology and Sequence Data of Mexican Populations of the Ciliate Parasite of Marine Fishes Trichodina rectuncinata (Ciliophora: Trichodinidae)
Fig. 3. Bayesian inference tree of sequences of the 18S gene of trichodinid species of the genus Trichodina and Trichodinella, emphasizing on Trichodina rectuncinata. Numbers near internal nodes show the support value. Codes: ♦ Cuatunalco; * Zihuatanejo; ● San Carlos.
Fig. 1 in Morphology and Sequence Data of Mexican Populations of the Ciliate Parasite of Marine Fishes Trichodina rectuncinata (Ciliophora: Trichodinidae)
Fig. 1. Map showing the location of Mexico, and localities where populations of Trichodina rectuncinata were obtained.
Fig. 3 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)
Fig. 3. Phylogenetic identification of Haemogregarina bigemina from the UK based on 18S rDNA sequences. (a) Maximum parsimony and (b) Maximum likelihood reconstructions revealing the unique position of UK H. bigemina samples outside of the adeleorine groups. For both phylogenies nodal support was calculated using 1000 bootstrap replicates with only values> 50% presented.
Fig. 1 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)
Fig. 1. Photograph of the fish host Lipophrys pholis, one of the type hosts of Haemogregarina bigemina, screened in this study.
Fig. 2 in Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, Haemogregarina bigemina (Adeleorina: Haemogregarinidae)
Fig. 2. Stages of Haemogregarina bigemina from Giemsa-stained blood films of Lipophrys pholis from the UK. (a) trophozoite, (b) meront, (c–e) dividing meronts, and (f) paired gamonts. Scale bar = 10 μm.
Fig. 3 in New records of Colobomatus mylionus Fukui, 1965 and Clavellisa chinensis (Yü, 1933) (Crustacea: Copepoda) parasitic on marine fish of Korea
Fig. 3. Clavellisa chinensis (Yü, 1933), adult female. A. habitus, dorsal view. B. habitus, lateral view. C. antennule. D. antenna. E. mandible. F. maxillule. G. maxilliped. Scale bars: A, B = 500 μm; C, D, G = 200 μm; E, F = 100 μm.
It's a wormy world: Meta-analysis reveals several decades of change in the global abundance of the parasitic nematodes Anisakis spp. and Pseudoterranova spp. in marine fishes and invertebrates
<p>The Anthropocene has brought substantial change to ocean ecosystems, but whether this age will bring more or less marine disease is unknown. In recent years, the accelerating tempo of epizootic and zoonotic disease events has made it seem as if disease is on the rise. Is this apparent increase in disease due to increased observation and sampling effort, or to an actual rise in the abundance of parasites and pathogens? We examined the literature to track long-term change in the abundance of two parasitic nematode genera with zoonotic potential: <em>Anisakis</em> spp. and <em>Pseudoterranova</em> spp. These anisakid nematodes cause the disease anisakidosis and are transmitted to humans in undercooked and raw marine seafood. A total of 123 papers published between 1967 and 2017 met our criteria for inclusion, from which we extracted 755 host–parasite–location–year combinations. Of these, 69.7% concerned <em>Anisakis</em> spp. and 30.3% focused on <em>Pseudoterranova</em> spp. Meta-regression revealed an increase in <em>Anisakis</em> spp. abundance (average number of worms/ fish) over a 53 year period from 1962 to 2015 and no significant change in <em>Pseudoterranova</em> spp. abundance over a 37 year period from 1978 to 2015. Standardizing changes to the period of 1978–2015, so that results are comparable between genera, we detected a significant 283-fold increase in <em>Anisakis</em> spp. abundance and no change in the abundance of <em>Pseudoterranova</em> spp. This increase in <em>Anisakis</em> spp. abundance may have implications for human health, marine mammal health, and fisheries profitability.</p>
It's a wormy world: Meta-analysis reveals several decades of change in the global abundance of the parasitic nematodes Anisakis spp. and Pseudoterranova spp. in marine fishes and invertebrates
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Testing for deterministic succession in metazoan parasite communities of marine fish
Parasite communities are similar to free-living communities; decay of similarity over geographic distance, theory of island biogeography, species-area relationships and nestedness have been documented in both communities. Ecological succession has been studied in free-living communities but has rarely been examined in parasite communities. We use seriation with replication to test the hypothesis that succession of parasite community structure is deterministic, thus developing throughout consecutive changes along the fish ontogeny, via a seriated pattern. 12,306 marine fishes (95 species) were studied. In 40 species, a seriated pattern was detected; 25 had a tendency toward a seriated pattern, and for 31 species, succession was at random. Age-classes for each host species explained deterministic successional patterns for whole parasite communities and ectoparasites. Richness and number of age-classes explained this pattern for endoparasites. Seriated successional community pattern was evident for parasite communities of long-lived marine fish, indicating that parasite communities follow sequential changes over time, like many free-living communities.
FIGURE 2. A in A checklist of parasitic helminths reported from sixtyfive species of marine fish from Turkey including two new records of monogeneans
FIGURE 2. A photograph of Pyragraphorus pyragraphorus (Mac Callum and Mac Callum, 1913). Scale bar 1.1mm.
FIGURES 9–16. Parancylodiscoides peruensis n in Dactylogyrids (Monogenea) parasitic on marine fish from Peru including the description of a new species of Haliotrema Johnston & Tiegs, 1922 and two new species of Parancylodiscoides Caballero & C. & Bravo-Hollis, 1961
FIGURES 9–16. Parancylodiscoides peruensis n. sp. 9. Whole Worm (Ventral). 10. Ventral anchor. 11. Dorsal anchor. 12. Ventral bar. 13. Dorsal bar. 14. Hook. 15. Male copulatory organ. 16. Egg.
FIGURES 17–24. Parancylodiscoides signiferi n in Dactylogyrids (Monogenea) parasitic on marine fish from Peru including the description of a new species of Haliotrema Johnston & Tiegs, 1922 and two new species of Parancylodiscoides Caballero & C. & Bravo-Hollis, 1961
FIGURES 17–24. Parancylodiscoides signiferi n. sp. 17. Whole Worm (Ventral). 18. Ventral anchor. 19. Dorsal anchor. 20. Ventral bar. 21. Dorsal bar. 22. Hook. 23. Male copulatory organ. 24. Egg.
FIGURES 1–8. Haliotrema sanchezae n in Dactylogyrids (Monogenea) parasitic on marine fish from Peru including the description of a new species of Haliotrema Johnston & Tiegs, 1922 and two new species of Parancylodiscoides Caballero & C. & Bravo-Hollis, 1961
FIGURES 1–8. Haliotrema sanchezae n. sp. 1. Whole Worm (Ventral). 2. Half-moon-shaped sclerotIzed pIece. 3. Ventral anchor. 4. Dorsal anchor. 5. Ventral bar. 6. Dorsal bar. 7. Hook. 8. Male copulatory organ.
Fig. 12. Agarna malayi Tiwari 1952 in Agarna malayi Tiwari 1952 (Crustacea: Isopoda: Cymothoidae) Parasitising the Marine Fish, Tenualosa toli (Clupeidae) from India: Re-description/description of Parasite Life Cycle and Patterns of Occurrence
Fig. 12. Agarna malayi Tiwari 1952 ex Tenualosa toli (Valenciennes), manca I, (A) dorsal view; (B) antennule; (C) antenna; (D) mandible palp; (E) maxillule; (F) maxilla; (G) maxilliped; (H) pereopod 1; (I) pleopod 2; (J) pleotelson and uropods. © 2018 Academia Sinica, Taiwan
Fig. 13 in Agarna malayi Tiwari 1952 (Crustacea: Isopoda: Cymothoidae) Parasitising the Marine Fish, Tenualosa toli (Clupeidae) from India: Re-description/description of Parasite Life Cycle and Patterns of Occurrence
Fig. 13. Schematic representation of the life cycle of Agarna malayi Tiwari 1952 ex Tenualosa toli (Valenciennes); Abbreviations: Manca II (F), manca II at free living stage; Manca II (I), manca II at infective stage; ES, embryonic stage; Fs, female stage. © 2018 Academia Sinica, Taiwan
Fig. 9. Agarna malayi Tiwari 1952 in Agarna malayi Tiwari 1952 (Crustacea: Isopoda: Cymothoidae) Parasitising the Marine Fish, Tenualosa toli (Clupeidae) from India: Re-description/description of Parasite Life Cycle and Patterns of Occurrence
Fig. 9. Agarna malayi Tiwari 1952 ex Tenualosa toli (Valenciennes) juvenile, (A-G) pereopods 1-7; (H) pleopod 2; (I) pleopod 4; (J) uropod; (K) pleotelson and uropods. © 2018 Academia Sinica, Taiwan
Fig. 11. Agarna malayi Tiwari 1952 in Agarna malayi Tiwari 1952 (Crustacea: Isopoda: Cymothoidae) Parasitising the Marine Fish, Tenualosa toli (Clupeidae) from India: Re-description/description of Parasite Life Cycle and Patterns of Occurrence
Fig. 11. Agarna malayi Tiwari 1952 ex Tenualosa toli (Valenciennes) manca II, (A-C) pereopods 1-3; (D-E) pereopod 5-6; (F) pleopod 1; (G) pleopod 5; (H) uropod; (I) pleotelson and uropods.
Fig. 10. Agarna malayi Tiwari 1952 in Agarna malayi Tiwari 1952 (Crustacea: Isopoda: Cymothoidae) Parasitising the Marine Fish, Tenualosa toli (Clupeidae) from India: Re-description/description of Parasite Life Cycle and Patterns of Occurrence
Fig. 10. Agarna malayi Tiwari 1952 ex Tenualosa toli (Valenciennes) manca II, (A) dorsal view; (B) antennule; (C) antenna; (D) mandible; (E) maxillule; (F) maxilla; (G) maxilliped. © 2018 Academia Sinica, Taiwan
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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