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1,669 results for “Isopod”
Figure 5 in Redescription of the fish-parasitic isopod Cymothoa ianuarii Schioedte & Meinert, 1884 and further records of C. excisa Perty, 1833 and C. oestrum (Linnaeus, 1758) (Isopoda: Cymothoida: Cymothoidae) from Brazil
Figure 5. Cymothoa oestrum (Linnaeus, 1758) (MCP 2999): (A) habitus dorsal view; (B) habitus ventral view; (C) habitus lateral view; (D) cephalon frontal view. Scale bar: A-C = 5 mm; D = 2.5 mm.
Figure 3 in Redescription of the fish-parasitic isopod Cymothoa ianuarii Schioedte & Meinert, 1884 and further records of C. excisa Perty, 1833 and C. oestrum (Linnaeus, 1758) (Isopoda: Cymothoida: Cymothoidae) from Brazil
Figure 3. Cymothoa ianuarii Schioedte & Meinert, 1884: (A) antennule (UFRGS 6516); (B) apical article of antennule (UFRGS 6516); (C) antenna (UFRGS 6516); (D) mandible (UFRGS 6515); (E) maxilulle (UFRGS 6520); (F) apex of maxillula (UFRGS 6520); (G) maxilla (UFRGS 6515); (H) maxilla distal portion (UFRGS 6515); (I) maxilliped with oostegite (UFRGS 6515); (J) maxilliped articles 2 and 3 (UFRGS 6515). Scale bar: A, C and D = 0.5 mm; E and G = 0.3 mm; B = 0.125 mm; F, H and J = 0.1 mm; I = 1 mm.
Figure 4 in Redescription of the fish-parasitic isopod Cymothoa ianuarii Schioedte & Meinert, 1884 and further records of C. excisa Perty, 1833 and C. oestrum (Linnaeus, 1758) (Isopoda: Cymothoida: Cymothoidae) from Brazil
Figure 4. Cymothoa ianuarii Schioedte & Meinert, 1884 (UFRGS 6516): (A-G) pereopods 1-7; (H-J) pleopods 1-5 dorsal view; (M) uropod. Scale bar: E-G = 2 mm; A-D, H-J = 1 mm; D = 2.5 mm; M = 0.5 mm.
Figure 2 in Redescription of the fish-parasitic isopod Cymothoa ianuarii Schioedte & Meinert, 1884 and further records of C. excisa Perty, 1833 and C. oestrum (Linnaeus, 1758) (Isopoda: Cymothoida: Cymothoidae) from Brazil
Figure 2. Cymothoa ianuarii Schioedte & Meinert, 1884 (UFRGS 6516): (A) habitus dorsal view (UFRGS 6516); (B) habitus ventral view (UFRGS 6516); (C) habitus lateral view (UFRGS 6516); (D) cephalon frontal view (UFRGS 6516); (E) pleotelson dorsal view (UFRGS 6520). Scale bar: A-C = 5 mm; D = 2.5 mm; E = 1 mm.
Figure 1. Cymothoa excisa Perty, 1833 in Redescription of the fish-parasitic isopod Cymothoa ianuarii Schioedte & Meinert, 1884 and further records of C. excisa Perty, 1833 and C. oestrum (Linnaeus, 1758) (Isopoda: Cymothoida: Cymothoidae) from Brazil
Figure 1. Cymothoa excisa Perty, 1833 (MCP 2996): (A) habitus dorsal view; (B) habitus ventral view; (C) habitus lateral view; (D) cephalon frontal view. Scale bar: A-C = 5 mm; D = 2.5 mm.
Effects of leaf litter traits on terrestrial isopod and millipede consumption, assimilation and growth
<ol> <li>Nutrient cycling through leaf litter consumption is an essential ecological function performed by macrodetritivorous invertebrates such as isopods and millipedes. Leaf litter consumption rates can vary greatly depending on the environment, consumer identity, and litter traits, but generalizations about the effects of plant traits on macrodetritivore leaf litter consumption, assimilation and growth are not well established and mostly indirectly inferred.</li> <li>We conducted a systematic search of the global literature and obtained 456 standardized measures from laboratory experiments of relative consumption (RCR), assimilation (RAR) and growth (RGR) rates of terrestrial isopods and millipedes, extracted from 56 different articles. We investigated if commonly measured leaf traits, plant functional groups, prior microbial conditioning of leaves, and climatic conditions affected these rates. We obtained data on commonly measured leaf traits from the TRY global plant trait database, inferred plant functional groups from taxonomic groupings, and obtained climatic data from information reported within articles.</li> <li>RCR, RAR and RGR varied greatly among macrodetritivore and plant species, but overall, there were no differences between isopods and millipedes. Microbial conditioning of litter greatly increased RCR. Plant functional group was an important predictor of RCR, with eudicot trees and forbs being consumed in greater quantities than magnoliid trees and grasses. Fresh leaf N:P ratio had a positive effect on RAR, and leaf N and C:N ratio had positive and negative effects on RGR respectively, while climatic variables had weak effects on the three rates.</li> <li>Our work shows that plant traits (both those associated with plant functional groups and commonly measured leaf traits) exert strong effects on resource processing rates by terrestrial macrodetritivores. Further, prior microbial conditioning of leaf litter has a large and globally consistent positive effect on macrodetritivore litter consumption, suggesting that they may consume little, if any, freshly senesced leaf material when microbially conditioned litter is available. Our results suggest that, where extremes of temperature or precipitation do not occur, variables reflective of food quality (leaf traits and microbe conditioning) are more important drivers of macrodetritivore leaf litter consumption than are extrinsic climatic variables.</li> </ol>
Recent speciation and hybridization in Icelandic deep-sea isopods: An integrative approach using genomics and proteomics.
<p>The crustacean marine isopod species <i>Haploniscus bicuspis</i> (G.O. Sars, 1877) shows circum-Icelandic distribution in a wide range of environmental conditions and along well-known geographic barriers, such as the Greenland-Iceland-Faroe (GIF) Ridge. We wanted to explore population genetics, phylogeography and cryptic speciation as well as to investigate whether previously described, but unaccepted subspecies have any merit. Using the same set of specimens, we combined mitochondrial COI sequences, thousands of nuclear loci (ddRAD), and proteomic profiles, plus selected morphological characters using Confocal Laser Scanning Microscopy (CLSM). Five divergent genetic lineages were identified by COI and ddRAD, two south and three north of the GIF Ridge. Assignment of populations to the three northern lineages varied and detailed analyses revealed hybridization and gene flow between them, suggesting a single northern species with a complex phylogeographic history. No apparent hybridization was observed among lineages south of the Ridge, inferring the existence of two more species. Differences in proteomic profiles between the three putative species were minimal, implying an ongoing or recent speciation process. Population differentiation was high, even among closely associated populations, and higher in mitochondrial COI than nuclear ddRAD loci. Gene flow is apparently male-biased, leading to hybrid zones and instances of complete exchange of the local nuclear genome through immigrating males. This study did not confirm the existence of subspecies defined by male characters, which probably characterize different male developmental stages.</p>
Figure 10 in Four new valviferan isopods from diverse tropical Australian habitats (Crustacea: Isopoda: Holognathidae and Idoteidae)
Figure 10. Synidotea karumba sp. nov. Limbs from holotype male.
Figure 5 in Four new valviferan isopods from diverse tropical Australian habitats (Crustacea: Isopoda: Holognathidae and Idoteidae)
Figure 5. Synidotea innatans sp. nov. Holotype male top, paratype female below.
Figure 1 in Four new valviferan isopods from diverse tropical Australian habitats (Crustacea: Isopoda: Holognathidae and Idoteidae)
Figure 1. Cleantioides carpentaria sp. nov. Holotype.
Figure 4 in Four new valviferan isopods from diverse tropical Australian habitats (Crustacea: Isopoda: Holognathidae and Idoteidae)
Figure 4. Zenobianopsis cidaris sp. nov. Right limbs from holotype; detail of p6 untwisted.
Figure 7 in Four new valviferan isopods from diverse tropical Australian habitats (Crustacea: Isopoda: Holognathidae and Idoteidae)
Figure 7. Synidotea innatans sp. nov. Limbs from holotype male.
Figure 26 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 26. Koremosphaera colonus sp. nov. A–E, pleopods 1–5; F, uropod.
Figure 21 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 21. Exosphaeroma alveola sp. nov. A–E, pleopods 1–5.
Figure 17 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 17. Exosphaeroma agmokara sp. nov. A–E, pleopods 1–5; F, uropod.
Figure 11 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 11. Cassidias australiensis sp. nov. A–E, pleopods 1–5; F, coupling hooks, pleopod 1.
Figure 30 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 30. Margueritta sandyi sp. nov. Female paratype. A, pleopod 1; B, pleopod 2; C, pleopod 3.
Figure 41 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 41. Pedinura mokari sp. nov. Male paratype NMV J39721. A–C, pereopods 1, 2 and 7.
Figure 3 in New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters
Figure 3. Austrasphaera berentsae sp. nov. A–D, pereopods 2, 3, 6 and 7; E–I, pleopods 1–5.
Fig. 4 in Review of marine alien isopods in Türkiye with two new records: of Paracerceis sculpta and Paranthura japonica Abstract
Fig. 4: Side view of Paranthura japonica from the Dardanelles Strait (Scale bar: 1 mm).
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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)
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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.