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312 results for “marine nematode”
Table 1 in New species and new records of camallanid nematodes (Nematoda, Camallanidae) from marine fishes and sea snakes in New Caledonia
<p><b>Table 1.</b> Comparison of measurements of <i>Camallanus carangis</i> males from marine fishes in New Caledonia.</p><table><tbody><tr><th>Host</th><th><i>Atule mate</i></th><th><i>Carangoides fulvoguttatus</i></th><th><i>Cephalopholis sonnerati</i></th><th><i>Epinephelus retouti</i></th></tr></tbody><tbody><tr><th>No. of specimens</th><td>2</td><td>1</td><td>3</td><td>1</td></tr><tr><th>Body length (in mm)</th><td>12.17–13.67</td><td>6.90</td><td>9.93–11.32</td><td>frag. 5.40</td></tr><tr><th>Body width</th><td>299–354</td><td>218</td><td>258–326</td><td>258</td></tr><tr><th>Buccal capsule – length</th><td>165–189</td><td>162</td><td>183–186</td><td>159</td></tr><tr><th>Buccal capsule – width</th><td>159–189</td><td>156</td><td>156–183</td><td>165</td></tr><tr><th>No. of ridges</th><td>33–35</td><td>38</td><td>34–35</td><td>40</td></tr><tr><th>Basal ring – length</th><td>21–24</td><td>27</td><td>27–33</td><td>27</td></tr><tr><th>Basal ring – width</th><td>90–105</td><td>90</td><td>96–102</td><td>93</td></tr><tr><th>Length of tridents</th><td>150</td><td>150</td><td>171–219</td><td>153</td></tr><tr><th>Oesoph. cup – length</th><td>21–30</td><td>30</td><td>30–36</td><td>36</td></tr><tr><th>Oesoph. cup – width</th><td>24–33</td><td>39</td><td>36–39</td><td>30</td></tr><tr><th>Musc. oesoph. – length</th><td>1183–1414</td><td>1020</td><td>1333–1170</td><td>1102</td></tr><tr><th>Musc. oesoph. – width</th><td>122–136</td><td>81</td><td>122–136</td><td>84</td></tr><tr><th>Gland. oesoph. – length</th><td>1156–1333</td><td>857</td><td>1034–1238</td><td>1673</td></tr><tr><th>Gland. oesoph. – width</th><td>136</td><td>96</td><td>122–136</td><td>90</td></tr><tr><th>Musc./gland. oesoph. length ratio</th><td>1:0.94–0.98</td><td>1:084</td><td>1:0.88–0.93</td><td>1:0.79</td></tr><tr><th>% of buc. c. and oesoph. of body</th><td>21</td><td>30</td><td>23–24</td><td>–</td></tr><tr><th>Excretory pore</th><td>1047–1387</td><td>?</td><td>1115–1251</td><td>?</td></tr><tr><th>Right spicule</th><td>306–309</td><td>300</td><td>294–312</td><td>–</td></tr><tr><th>Tail</th><td>75–81</td><td>102</td><td>84–117</td><td>–</td></tr></tbody></table>
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>
Marine mammal recovery is associated with the resurgence of a nematode parasite
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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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FIGURE 4 in A new free-living marine nematode, Polkepsilonema arabicensis sp. n. (Desmodorida: Epsilonematidae), from Lakshadweep, India
FIGURE 4. Polkepsilonema arabicensis sp. n. photomicrographs of the cephalic capsule of a) holotype, b) paratype (WN2693), c) paratype (WN2694); d) paratype (WN2695); e) & f) paratype male (WN2691) at different focus. Scale bar: a–f = 10 µm.
FIGURE 1 in A new free-living marine nematode, Polkepsilonema arabicensis sp. n. (Desmodorida: Epsilonematidae), from Lakshadweep, India
FIGURE 1. Polkepsilonema arabicensis sp. n. collection site (marked in triangle) at Agatti island, Lakshadweep, India.
FIGURE 3 in A new free-living marine nematode, Polkepsilonema arabicensis sp. n. (Desmodorida: Epsilonematidae), from Lakshadweep, India
FIGURE 3. Polkepsilonema arabicensis sp. n. photomicrographs of a) holotype male, b) paratype female (WN2692), c) paratype female (WN2693); holotype d) spicule & e) gubernaculum (lateral view); f) cuticular anastomoses; g) cuticular structure and spines at body curvatures of holotype; h) straight ambulatory setae marked with arrows of holotype; i) copulatory thorns of paratype male (WN2691); j) dorsal and ventrosublateral teeth of paratype (WN2694); k) hyaline outer layer as spiny projections at curvature level of paratype (WN2695); l) straight ambulatory setae of paratype (WN2695); m) copulatory thorns of holotype; n) bisinous ambulatory setae of paratype (WN2693). Scale bar: a & b = 50 µm, c = 20 µm, d–n = 10 µm.
FIGURE 2 in A new free-living marine nematode, Polkepsilonema arabicensis sp. n. (Desmodorida: Epsilonematidae), from Lakshadweep, India
FIGURE 2. Polkepsilonema arabicensis sp. n. habitus of a) holotype male (WN2690) and b) paratype female (WN2692). Anterior end of c) holotype, d) paratype female (WN2692) and e) juvenile paratype (WN2694). f) spicule, gubernaculum (lateral view) and tail of holotype, g) copulatory thorns of holotype, h) & i) fine setae at 1st and 2nd body curvatures, j) vulval morphology. ppv: pars proximalis vaginae, prv: pars refringens vaginae. Scale bar: a & b = 50 µm, c–j = 10 µm.
FIGURE 6 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 6. Amphimonhystera molloyensis sp. n., paratype male 2. (A) entire; (B) esophageal region; (C) cephalic end; (D) tail region; (E) spicule. Scale bars: (A) 100 µ m; (B) & (D) 50 µm; (C) & (E) 10 µ m.
FIGURE 4 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 4. Amphimonhystera molloyensis sp. n., details. (A) male 1 (holotype), cephalic end; (B) female 1 (paratype), cephalic end; (C) female 1 (paratype), tail tip; (D) male 1 (holotype), copulatory apparatus; (E) female 2 (paratype), posterior uterus, vagina and vulvar glands. Scale bars: (A)–(E) 10 µ m.
FIGURE 3 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 3. Amphimonhystera marisalbi sp. n. (A) male 2 (paratype), entire; (B) female 1 (paratype), entire; (C) male 1 (holotype), cephalic end; (D) female 1 (paratype), cephalic end; (E) male 2 (paratype), posterior body; (F) male 1 (holotype), spicules; (G) male 2 (paratype), spicules; (H) female 1 (paratype), tail tip. Scale bars: (A) & (B) 100 µ m; (C)–(H) 10 µ m.
FIGURE 2. Amphimonhystera galea Fadeeva, 1984 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 2. Amphimonhystera galea Fadeeva, 1984. (A) male 1, cephalic end; (B) male 1, entire; (C) male 1, tail region; (D) and (E) spicules of males 1 and 2. Scale bars: (A) 100 µ m; (B) 10 µ m; (C) 20 µm; (D) & (E) 10 µ m.
FIGURE 1 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 1. Pictorial key to Amphimonhystera species: A A. anechma; B A. circula; C A. molloyensis; D A. galea; E A. marisalbi; F A. pallida. Male, anterior and posterior body region.
FIGURE 7 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 7. Amphimonhystera pallida. (A) male 1 (holotype), entire; (B) male 1 (holotype), esophageal region; (C) male 1 (holotype), cephalic end; (D) male 2 (paratype), tail; (E) male 1 (holotype), spicule; (F) female 1 (paratype), entire; (G) female 1 (paratype), anterior end. Scale bars: (A), (B), (D) & (F) 100 µ m; (C), (E) & (G) 10 µ m.
FIGURE 5 in A review of the enus Amphimonhystera Allgén, 1929 (Monhysterida: Xyalidae, Marine Freeliving Nematodes) with description of three new species
FIGURE 5. Amphimonhystera molloyensis sp. n., further details. (A) male 1 (holotype), entire; (B) female 2 (paratype), entire; (C) male 1 (holotype), posterior body region; (D) female 2 (paratype), genital branch. Scale bars: (A), (B), (D) 100 µ m; (C) 50 µ m.
FIGURE 5 in Four new species of free-living marine nematodes of the family Comesomatidae (Nematoda: Araeolaimida) from coast of Vietnam
FIGURE 5. Dorylaimopsis brevispiculata sp. n. A: Entire male; B: Entire female; C: Male head; D: Cardial region of male; E: Spicular apparatus; F: Male tail; G: Female tail. Scale bars: A, B—150 µm; D—70 µm; G—50 µm; F—40 µm; C—15 µm.
FIGURE 2 in Four new species of free-living marine nematodes of the family Comesomatidae (Nematoda: Araeolaimida) from coast of Vietnam
FIGURE 2. Setosabatieria orientalis sp. n. A: Entire male; B: Entire female; C: Male head; D: Vulva region; E: Cardial region of male; F: Male tail; G: Female tail; H: Spicular apparatus. Scale bars: A, B—100 µm; D, G—50 µm; E, F—30 µm; H—20 µm; C—10 µm.
FIGURE 4 in Four new species of free-living marine nematodes of the family Comesomatidae (Nematoda: Araeolaimida) from coast of Vietnam
FIGURE 4. Dorylaimopsis intermedia sp. n. A: Entire male; B: Entire female; C: Male head; D: Cardial region of male; E; Spicular apparatus; F: Male tail; G: Female tail. Scale bars: A, B—100 µm; D–G—50 µm; C—15 µm.
FIGURE 1 in Four new species of free-living marine nematodes of the family Comesomatidae (Nematoda: Araeolaimida) from coast of Vietnam
FIGURE 1. Sabatieria curvispiculata sp. n. A: Entire male; B: Entire female; C: Male head; D: Cardial region of male; E: Spicular apparatus; F: Vulva region; G: Male tail; H: Female tail. Scale bars; A,B —250 µm; D, E, F, H—50 µm; G – 40 µm; C—15 µm.
FIGURE 7 in Two new species of free-living marine nematodes (Nematoda: Oncholaimida: Enchelidiidae) from Maemul Island, Korea
FIGURE 7. Ledovitia brevis sp. nov. A, male head, showing buccal cavity, holotype; B, male head, showing amphidial fovea, holotype; C, male precloacal supplements, holotype; D, male tail, showing spicules, gubernaculum, precloacal setae and terminal setae, holotype; E, female vulva, paratype. Scale bars: 10 µm (A–C) and 50 µm (D, E).
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.