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158 results for “parasitic copepods”
FIGURES 32 – 39 in Parasitic copepods infesting the olfactory sacs of skates from the southwestern Atlantic with the description of a new species of Kroeyerina Wilson, 1932
FIGURES 32 – 39. Kroeyerina sudamericana sp. nov. SEM micrographs (adult female). 32, general habitus, ventral; 33, caudal rami; 34, detail of distal armature of caudal ramus; 35, fifth leg; 36, rostral processes; 37, mouth tube and maxillules; 38, maxilla; 39, maxilliped. Scale bars: 32 = 500 µm; 33, 37, 39 = 50 µm; 34 – 36 = 10 µm; 38 = 20 µm.
FIGURES 48 – 56. Brianella corniger Wilson, 1915 in Parasitic copepods infesting the olfactory sacs of skates from the southwestern Atlantic with the description of a new species of Kroeyerina Wilson, 1932
FIGURES 48 – 56. Brianella corniger Wilson, 1915. SEM micrographs (female). 48, tip of cephalothorax (oral region), ventral; 49, tip of antennule; 50, antenna (arrows indicate the three naked setae); 51, maxillule; 52, mouth tube, with tips of mandibles inside, 53; fused tip of maxillae and origin of the two processes of the attachment organ (distal portion of maxillae); 54, detail of vestigial bulla; 55, attachment organ; 56, attachment organ (dissected from base) showing asymmetric branching. Scale bars: 48, 54 = 50 µm; 49, 52 = 10 µm; 50 – 51 = 20 µm; 53 = 200 µm; 55 – 56 = 1 mm.
FIGURES 40 – 47 in Parasitic copepods infesting the olfactory sacs of skates from the southwestern Atlantic with the description of a new species of Kroeyerina Wilson, 1932
FIGURES 40 – 47. Kroeyerina sudamericana sp. nov. SEM micrographs (adult male). 40, general habitus, ventral; 41, caudal rami; 42, detail of distal armature of caudal rami; 43, spinulation in lateral fields of genital complex; 44, rostral processes; 45, antenna; 46, mouth tube and maxilla; 47, maxilliped. Scale bars: 40 = 200 µm; 41 = 50 µm; 42 – 44 = 10 µm; 45 – 47 = 20 µm.
Fig. 3 in A New Species of the Enigmatic Copepod Genus Lernaeascus (Cyclopoida: Philichthyidae), Parasitic on Angelfishes (Actinopterygii: Pomacanthidae) from the Ryukyu Islands, Japan
Fig. 3. Lernaeascus kabuto sp. nov., adult female, allotype (NSMT-Cr 24278) (A–D, F, G) and paratype (NSMT–Cr 24279) (E, H). A, Habitus, dorsal; B, anterior part of body, dorsal; C, posterior part of trunk, dorsal with, arrowhead indicating position of copulatory pores; D, same, lateral; E, caudal rami, dorsal; F, head region, ventral; G, right antennule, posterior; H, right antenna, posterior. Scale bars: 400 µm for A; 100 µm for B–D, F; 30 µm for E; 20 µm for G, H.
Fig. 4 in A New Species of the Enigmatic Copepod Genus Lernaeascus (Cyclopoida: Philichthyidae), Parasitic on Angelfishes (Actinopterygii: Pomacanthidae) from the Ryukyu Islands, Japan
Fig. 4. Lernaeascus kabuto sp. nov., adult female, allotype (NSMT-Cr 24278). A, Mouth parts (lbr, labrum; mn, right mandible; m2, right maxilla), ventral; B, right leg 1, anterior; C, right leg 2, anterior; D, right leg 3, anterior. Scale bars: 20 µm for A; 10 µm for B–D.
Fig. 2 in A New Species of the Enigmatic Copepod Genus Lernaeascus (Cyclopoida: Philichthyidae), Parasitic on Angelfishes (Actinopterygii: Pomacanthidae) from the Ryukyu Islands, Japan
Fig. 2. Lernaeascus kabuto sp. nov., adult male, holotype (NSMT-Cr 24277). A, Mouth parts (mn, right mandible; m1, right maxillule; m2, right maxilla), ventral; B, right leg 1, anterior; C, exopod of right leg 1, posterior; D, right leg 2, anterior; E, exopod of right leg 2, posterior; F, right leg 3, ventral. Scale bars: 40 µm for A; 50 µm for B, D; 30 µm for C, E, F.
Fig. 3 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 3. Map of Hokkaido Island and the southern Kuril Islands, showing the collection localities of Salmincola edwardsii in the previous (closed triangles, Shedko and Shedko, 2002) and present (closed circles) studies. Open circles show no copepod infection on southern Asian Dolly Varden. 1, Olya Inlet (Prostor Bay), Iturup Island; 2, Kuibyshev Bay, Iturup Island; 3, Petrova River, Kunashir Island; 4, a nameless creek, Kunashir Island; 5, Rusha River; 6, Rausu River; 7, Shari River; 8, Shibetsu River; 9, Saru River; 10, Yoichi River; 11, Shiribetsu River; 12, Notto River; 13, Chihase River.
Fig. 2 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 2. Female of Salmincola edwardsii attached to the base of gill filament of southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from the Shari River, Hokkaido Island. Formalinfixed and later ethanol-preserved specimen, lateral view. Abbreviations: c, cephalothorax; es, egg sac; ga, gill arch; gf, gill filament; mx2, second maxilla; mxp, maxilliped; t, trunk. Scale bar: 1 mm. Note most portions of the infected gill filament lost, and a bulbous swelling (*) enveloping the bulla.
Fig. 1 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 1. Salmincola edwardsii, female, from southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from the Shari River, Hokkaido Island. A, habitus, anterolateral view; B, second antenna, lateral view; C, mandible, lateral view; D, first maxilla, lateral view; E, maxilliped, lateral view. Abbreviations: ant2, second antenna; b, bulla; c, cephalothorax; es, egg sac; ex, exopod; h1, hook 1; mx2, second maxilla; mxp, maxilliped; p, palp; p4, process 4; p5, process 5; s2, spine 2; sy, sympod; t, trunk. Scale bars: A, 1 mm; B, 50 µm; C, 20 µm; D, 100 µm; E, 200 µm.
Linked collectors and determiners for: Parasitic copepods of the family Lernanthropidae Kabata, 1979 (Copepoda: Siphonostomatoida) from Australian fishes, with descriptions of seven new species.
Natural history specimen data linked to collectors and determiners held within, "Parasitic copepods of the family Lernanthropidae Kabata, 1979 (Copepoda: Siphonostomatoida) from Australian fishes, with descriptions of seven new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c76ec731-0dc9-4fc4-8ea4-d90d90da9438">https://bionomia.net/dataset/c76ec731-0dc9-4fc4-8ea4-d90d90da9438</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c76ec731-0dc9-4fc4-8ea4-d90d90da9438">https://gbif.org/dataset/c76ec731-0dc9-4fc4-8ea4-d90d90da9438</a>. Formatted as a Frictionless Data package.
Supplementary Data for The salmon louse genome: copepod features and parasitic adaptations.
<p>This dataset contains supporting data for the manuscript: Skern-Mauritzen <em>et al. </em>The salmon louse genome: copepod features and parasitic adaptations.</p> <p>Copepods encompass a range of ecological roles from parasites to phytoplankton grazers linking primary producers to higher trophic levels. Despite these important roles, copepod genome assemblies are scarce. <em>Lepeophtheirus salmonis</em> is an economically and ecologically important ectoparasitic copepod found on salmonid fish. We present the 695.4 Mbp <em>L. salmonis</em> genome assembly containing ≈60% repetitive regions and 13081 annotated protein-coding genes. The genome comprises 14 autosomes and a ZZ-ZW sex chromosome system. Assembly assessment identified 92.4% of the expected arthropod genes. Transcriptomics supported annotation and indicated a marked shift in gene expression after host attachment, including down-regulation of genes related to circadian rhythm coinciding with abandoning diurnal migration. The genome shows evolutionary signatures including loss of genes needed for peroxisome biogenesis, presence of numerous FNII domains, and an incomplete heme homeostasis pathway suggesting heme proteins to be obtained from the host. Despite large capacity to develop resistance against chemical treatments <em>L. salmonis</em> exhibits low numbers of many genes involved in detoxification.</p> <ul> <li>Supplementary data is explained in detail and referenced in the manuscript and the file Supplementary Material 30062021 REVISED.pdf</li> <li>BUSCO-V5-results-species-comparison.tar.gz contains the raw output and results of all BUSCO V 5.0.0 runs on the genomes in Table 1 of the manuscript and Supplementary_Table_GenomeStats.xlsx </li> <li>GCA_000181255.2_ASM18125v2_genomic.fna.RepMasker.o ..., GCA_001005205.1_lsal_atl_canada_female_v1_genomic. ..., GCA_001005235.1_lsal_atl_canada_male_v1_genomic.fn ... and TableS4-1-LSalAtl2s.fasta.RepMasker.out.gz contain original output from RepeatMasker</li> <li>Lsalmonis-RepeatModeler-families.fa.gz and Lsalmonis-RepeatModeler-families.stk.gz contain all repeat families as original output from RepeatModeler</li> </ul> <p> </p> <p> </p>
Figure 1 in Marine protozoan epibionts on the copepod Lepeophtheirus salmonis, parasite of the Atlantic salmon
Figure 1. Ephelota gemmipara. (a) Schematic diagram of the body. ct, capitate tentacles; pt, prehensile tentacles; cv, contractile vacuole; ls, longitudinal striations; Ma, macronucleus; Mi, micronucleus; s, stalk; ts, tranversal striations. (b) Schematic diagram of a bud of Ephelota gemmipara. rcf, right ciliar field; lcf, left ciliar field; Ma, macronucleus.
Figures 2–7 in Marine protozoan epibionts on the copepod Lepeophtheirus salmonis, parasite of the Atlantic salmon
Figures 2–7. (2) A specimen of the copepod Lepeophtheirus salmonis showing the suctoria attached to its surface (×11). (3) Two individuals of Ephelota gemmipara showing the lobulate macronucleus, the tentacles and the stalk (×112). (4) Ephelota gemmipara. SEM photomicrography showing buds (×224). (5) Ephelota gemmipara. SEM photomicrography showing the distal part of the stalk and the body (×224). (6) Ephelota gigantea. General view of the body (×108). (7) Ephelota gigantea. Aspect of the anterior area of the body (×149).
Figure 8 in Marine protozoan epibionts on the copepod Lepeophtheirus salmonis, parasite of the Atlantic salmon
Figure 8. Ephelota gigantea. (a) Schematic diagram of the body. pt, prehensile tentacles; ct, capitate tentacles; cv, contractile vacuole; Ma, macronucleus; Mi, micronucleus; ls, longitudinal striations; s, stalk. (b) Schematic diagram of the fibrillar bands of the suprastylar area of the stalk. afb, anterior fibrillar band; ifb, intermediate fibrillar band; pfb, posterior fibrillar band.
Fig. 3 in Two Copepods Salmincola edwardsii and Salmincola markewitschi (Lernaeopodidae) Parasitic on Chars (Salvelinus spp.) Reared in a Salmon Museum, Northern Japan
Fig. 3. Salmincola markewitschi, female, NSMT-Cr 28446, from whitespotted char, Salvelinus leucomaenis, reared in the Sapporo Salmon Museum, Hokkaido, Japan. Formalin-fixed and preserved specimen. A, Habitus, ventrolateral view; B, second antenna, distal half, ventral view; C, mandible, lateral view; D, first maxilla, lateral view; E, maxilliped, lateral view; F, palp of maxilliped. Abbreviations: ex, exopod; h1, hook 1; p, palp; pap, papilla; p4, process 4; p5, process 5; s2, spine 2; t3, tubercle 3. Scale bars: A, 1 mm; B, 50 µm; C, 20 µm; D, 30 µm; E, 100 µm; F, 20 µm.
Fig. 2 in Two Copepods Salmincola edwardsii and Salmincola markewitschi (Lernaeopodidae) Parasitic on Chars (Salvelinus spp.) Reared in a Salmon Museum, Northern Japan
Fig. 2. Salmincola edwardsii, female, NSMT-Cr 28445, from southern Asian Dolly Varden, Salvelinus malma krascheninnikova, reared in the Sapporo Salmon Museum, Hokkaido, Japan. Formalin-fixed and preserved specimen. A, Habitus, lateral view; B, second antenna, distal half, ventral view; C, mandible, lateral view; D, first maxilla, lateral view; E, maxilliped, lateral view; F, palp of maxilliped. Abbreviations: ex, exopod; h1, hook 1; p, palp; pap, papilla; p4, process 4; p5, process 5; s2, spine 2. Scale bars: A, 1 mm; B, 50 µm; C, 20 µm; D, 50 µm; E, 100 µm; F, 20 µm.
Fig. 1 in Two Copepods Salmincola edwardsii and Salmincola markewitschi (Lernaeopodidae) Parasitic on Chars (Salvelinus spp.) Reared in a Salmon Museum, Northern Japan
Fig. 1. Salmincola edwardsii (A), female, NSMT-Cr 28445, and Salmincola markewitschi (B–D), females, NSMT-Cr 28446–28448, from chars reared in the Sapporo Salmon Museum, Hokkaido, Japan. Formalin-fixed and preserved specimens (A–C) and ethanol-fixed and preserved specimen (D), lateral views. A, From southern Asian Dolly Varden, Salvelinus malma krascheninnikova; B, from whitespotted char, Salvelinus leucomaenis; C, from Nikko char, Salvelinus leucomaenis pluvius; D, from brook trout, Salvelinus fontinalis. Scale bars: A, D, 1 mm; B, C, 2 mm.
Fig. 2 in Saging Cebuana, A New Genus And Species Of Taeniacanthid Copepod (Cyclopoida) Parasitic On A Filefish (Actinopterygii: Monacanthidae) Collected From Cebu Island, The Philippines
Fig. 2. Saging cebuana, new genus, new species, holotype female (ZRC 2013.0516) (A–G) and paratype female (ZRC 2013.0518) (H). A, right maxilla, anterior; B, left maxilliped, anterior; C, left leg 1, anterior; D, right leg 2, anterior; E, right leg 3, anterior; F, left leg 4 with enlarged view of tip of distal exopodal segment, anterior; G, right leg 5 and leg 6, dorsal; H, left egg sac, dorsal. Scale bars = 20 μm (A, B), 30 μm (C), 50 μm (D, E); 40 μm (F, G), 100 μm (H).
Fig. 3 in Saging Cebuana, A New Genus And Species Of Taeniacanthid Copepod (Cyclopoida) Parasitic On A Filefish (Actinopterygii: Monacanthidae) Collected From Cebu Island, The Philippines
Fig. 3. Saging cebuana, new genus, new species, allotype male (ZRC 2013.0517). A, habitus, dorsal; B, habitus, lateral; C, fifth pediger and genital complex, ventral; D, first and second segments of right antennule, ventral; E, right maxilliped, posterior; F, right leg 1, anterior; G, endopod of left leg 2, anterior; H, endopod of left leg 3, anterior. Scale bars = 100 μm (A, B), 30 μm (C, G, H), 20 μm (D–F).
Fig. 1 in Saging Cebuana, A New Genus And Species Of Taeniacanthid Copepod (Cyclopoida) Parasitic On A Filefish (Actinopterygii: Monacanthidae) Collected From Cebu Island, The Philippines
Fig. 1. Saging cebuana, new genus, new species, holotype female (ZRC 2013.0516). A, habitus, dorsal; B, habitus, lateral; C, right caudal ramus, dorsal; D, left antennule, ventral; E, right antenna, posterior; F, postantennal area, ventral; G, labrum; H, right mandible, anterior; I, right paragnath; J, right maxillule, anterior. Scale bars = 200 μm (A, B), 20 μm (C, E–H, J), 50 μm (D), 10 μm (I).
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