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1,133 results for “Copepods”
Fig. 17. Asterocheres scutellatus n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 17. Asterocheres scutellatus n. sp., female. A, rostrum; B, leg 1; C, leg 2; D, endopod of leg 3; E, leg 4; F, exopod of leg 5; G, left side of genital double-somite, dorsal. Scale bars: 0.02 mm.
Fig. 4. Asterocheres siphonatus Giesbrecht, 1897, female. A in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 4. Asterocheres siphonatus Giesbrecht, 1897, female. A, habitus, dorsal; B, urosome, dorsal; C, left caudal ramus, ventral; D, rostrum; E, antennule; F, antennal; G, oral siphon; H, mandible; I, maxillule; J, maxilla. Scale bars: A, 0.2 mm; B, G, 0.1 mm; C, F, 0.02 mm; D, E, H-J, 0.05 mm.
Fig. 6. Asterocheres geminus n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 6. Asterocheres geminus n. sp., female. A, habitus, dorsal; B, urosome, dorsal; C, left caudal ramus, ventral; D, rostrum; E, antennule; F, antenna; G, oral siphon; H, mandible; I, distal part of mandibular stylet; J, maxillule; K, maxilla; L, maxilliped. Scale bars: A, 0.1 mm; B, G, H, 0.05 mm; C, I, 0.01 mm; D-F, J-L, 0.02 mm.
Fig. 3 in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 3. Asterocheres aesthetes Ho, 1984, male. A, habitus, dorsal; B, urosome, ventral; C, antennule; D, maxilliped; E, second and third segments of leg 2 endopod; F, third segment of leg 3 endopod; G, exopod of leg 5; H, leg 6. Scale bars: A. 0.1 mm; B, C, 0.05 mm; D-H, 0.02 mm.
Fig. 12. Asterocheres culicis n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 12. Asterocheres culicis n. sp., female. A, rostrum; B, leg 1; C, leg 2; D, endopod of leg 3; E, leg 4; F, leg 5; G, left side of genital double-somite, dorsal. Scale bars: A, 0.05 mm; B-G, 0.02 mm.
Fig. 2 in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 2. Asterocheres aesthetes Ho, 1984, female. A, leg 1; B, leg 2; C, endopod of leg 3; D, leg 4; E, exopod of leg 5; F, left side of genital double-somite, dorsal. Scale bars: A-D, 0.05 mm; E, F, 0.02 mm.
Fig. 11. Asterocheres culicis n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 11. Asterocheres culicis n. sp., female. A, habitus, dorsal; B, urosome, dorsal; C, caudal rami, dorsal; D, antennule; E, antenna; F, oral siphon; G, mandible; H, maxillule; I, maxilla; J, maxilliped. Scale bars: A, 0.1 mm; B, F, G, 0.05 mm; C-E, H-J, 0.02 mm.
Fig. 16. Asterocheres scutellatus n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 16. Asterocheres scutellatus n. sp., female. A, habitus, dorsal; B, urosome, dorsal; C, right caudal ramus, ventral; D, antennule; E, antenna; F, oral siphon; G, mandible; H, maxillule; I, maxilla; J, maxilliped. Scale bars: A, 0.1 mm; B, 0.05 mm; C-J, 0.02 mm.
Fig. 15. Asterocheres eurychelatus n in Copepods of the genus Asterocheres Boeck, 1859 (Siphonostomatoida: Asterocheridae) from Korean waters
Fig. 15. Asterocheres eurychelatus n. sp., female. A, maxilliped; B, leg 1; C, leg 2; D, endopod of leg 3; E, leg 4; F, exopod of leg 5; G, left side of genital double-somite, dorsal. Scale bars: 0.02 mm.
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.
Linked collectors and determiners for: Mesoparasitic copepods (Copepoda: Cyclopoida) associated with polychaete worms in European seas.
Natural history specimen data linked to collectors and determiners held within, "Mesoparasitic copepods (Copepoda: Cyclopoida) associated with polychaete worms in European seas". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/a72a13f8-f366-41db-835b-4b42169fd25b">https://bionomia.net/dataset/a72a13f8-f366-41db-835b-4b42169fd25b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/a72a13f8-f366-41db-835b-4b42169fd25b">https://gbif.org/dataset/a72a13f8-f366-41db-835b-4b42169fd25b</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Planktonic, benthic and sympagic copepods collected in the desalination unit during the XXXIVth Expedition of the Italian National Antarctic Program (PNRA).
Natural history specimen data linked to collectors and determiners held within, "Planktonic, benthic and sympagic copepods collected in the desalination unit during the XXXIVth Expedition of the Italian National Antarctic Program (PNRA)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/081daea5-fe6a-4303-bcc3-126b65d0adeb">https://bionomia.net/dataset/081daea5-fe6a-4303-bcc3-126b65d0adeb</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/081daea5-fe6a-4303-bcc3-126b65d0adeb">https://gbif.org/dataset/081daea5-fe6a-4303-bcc3-126b65d0adeb</a>. Formatted as a Frictionless Data package.
TABLE 1 in New extension range of the diaptomid copepod Prionodiaptomus colombiensis Thiébaud, 1912 (Copepoda, Calanoida) with complementary description of this species
<p>TABLE 1. — Comparison of some morphological features described by different authors for <i>P. colombiensis</i> in the Americas. Abbreviations: <b>Ri</b>, inner ramus; <b>Re</b>, external ramus; <b>P5</b>, fifth leg.</p><table><tbody><tr><th><b>Features</b></th><th><b>Gaviria (1989)</b></th><th><b>Wilson & Yeatman (1959)</b></th><th><b>Kiefer (1956)</b></th><th><b>Dussart & Defaye (1995)</b></th><th><b>Specimens from Tabasco</b></th></tr></tbody><tbody><tr><th>Female: urosomites</th><td>2 or 3</td><td>not reported</td><td>2</td><td>2</td><td>2 or 3</td></tr><tr><th>Female P5: endopod</th><td>2-segmented</td><td>1-segmented</td><td>1-segmented</td><td>1-segmented</td><td>2-segmented</td></tr><tr><th>Female P5: Re 1/Ri</th><td>2.07</td><td>1.85</td><td>1.88</td><td>1.88</td><td>2.03</td></tr><tr><th>Female P5: spine on Re3/Re2 + end claw</th><td>3.1</td><td>2.6</td><td>3.0</td><td>3.0</td><td>2.1</td></tr><tr><th>Female P5: Re2 + end claw/Re 1</th><td>1.0</td><td>1.0</td><td>0.82</td><td>0.82</td><td>0.6-0.75</td></tr><tr><th>Male P5 basipod: inner margin processes</th><td>single, subtriangular</td><td>single, rounded, on midlength</td><td>double, one rounded, proximal and one on midlength</td><td>double, one rounded, proximal and one on midlength</td><td>single, rounded, on midlength</td></tr><tr><th>Male right P5: Re 1 inner margin</th><td>smooth</td><td>smooth</td><td>lamella ends in subtriangular process</td><td>lamella ends in subtriangular process</td><td>lamella ends in subtriangular process</td></tr><tr><th>Male right P5: Re 1 distal margin</th><td>smooth</td><td>smooth</td><td>with one rounded</td><td>with one rounded process</td><td>with two rounded</td></tr><tr><td></td><td></td><td>process</td><td></td><td>processes</td></tr><tr><th>Male right P5: number of teeth on aculeus</th><td>5</td><td>6-8</td><td>5</td><td>5</td><td>4-5</td></tr></tbody></table>
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.
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