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1,133 results for “Copepods”
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.
FIG. 4 in New extension range of the diaptomid copepod Prionodiaptomus colombiensis Thiébaud, 1912 (Copepoda, Calanoida) with complementary description of this species
FIG. 4. — Prionodiaptomus colombiensis Thiébaud, 1912, adult male; A, habitus dorsal view; B, fifth legs, posterior view, showing coxal spines; C, fifth leg second right exopod, showing aculeus; D, right fifth leg, showing endopod; E, antennule. Scale bars: A, 100 µm; B, 13.3 µm; C, 20 µm; D, 6.6 µm; E, 7 µm.
FIG. 1 in New extension range of the diaptomid copepod Prionodiaptomus colombiensis Thiébaud, 1912 (Copepoda, Calanoida) with complementary description of this species
FIG. 1. — Prionodiaptomus colombiensis Thiébaud, 1912; A, habitus dorsal, female; B, antennule, female; C, habitus dorsal, male; D, right antennule, male; E, right antennule, segments 8-13 (only spines are illustrated), male. Scale bars: A, C, 0.5 mm; B, D, 0.17 mm; E, 0.12 mm.
Figs 1–5 in A New Finding Of The Non-Native Copepod Sinodiaptomus Sarsi (Copepoda, Calanoida, Diaptomidae) In Ukraine
Figs 1–5. Sinodiaptomus sarsi: 1 — habitus of female (A) and male (B); 2 — last prosomal somite and urosome of female; 3 — leg 5, female; 4 — right antennule, male; 5 — leg 5, male.
Fig. 1 in The Seasonal Population Dynamics Of The Cyclopoid Copepods (Cyclopoida, Cyclopidae) In Ponds Of Kyiv Region (Ukraine)
Fig. 1. Seasonal population dynamics of the cyclopids in the pond near the village Khotov: 1 — abundance of cyclopids; 2 — water temperature of pond near the village Khotov during the period of the study.
Food deprivation exposes sex-specific trade-offs between stress tolerance and lifespan in the copepod Tigriopus californicus
<p>Long life is standardly assumed to be associated with high stress tolerance. Previous work shows that the copepod <em>Tigriopus californicus</em> breaks this rule, with longer lifespan under benign conditions found in males, the sex with lower stress tolerance. Here we extended this previous work, raising animals from the same families in food-replete conditions until adulthood and then transferring them to food-limited conditions until all animals perished. As in previous work, survivorship under food-replete conditions favored males. However, under food deprivation lifespan strongly favored females in all crosses. Compared to benign conditions, average lifespan under nutritional stress was reduced by 47% in males but only 32% in females. Further, the sex-specific mitonuclear effects previously found under benign conditions were erased under food limited conditions. Results thus demonstrate that sex-specific lifespan, including mitonuclear interactions, are highly dependent on nutritional environment.</p>
Fig. 6 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 6. Dentodiaptomus orientalis, new species, female: A, habitus, dorsal view; B, pediger 4–5 and urosome, dorsal view; C, P5, posterior view; D, left P5 Exp-2–3, posterior view; E, P5, frontal view.
Fig. 3 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 3. Dentodiaptomus orientalis, new species, male: A, habitus, dorsal view; B, urosome, dorsal view; C, urosome, ventral view; D, right antennule (segments I–XXII).
Fig. 8 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 8. Dentodiaptomus javanus (A–F) and Phyllodiaptomus (Ctenodiaptomus) praedictus (G–H), male: A, habitus, dorsal view; B, C, G, P5, posterior view; D, right P5 basis and Exp-1, posterior view; E, right P5 Exp-2, posterior view; F, left P5 basis, Exp (white arrow points to a denticle on the inner margin of the Exp-2), and Enp, frontal view; H, intercoxal sclerite and left P5, posterior view.
Fig. 4 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 4. Dentodiaptomus orientalis, new species, male: A, left antennule; B, antenna; C, mandible; D, maxillule; E, maxilla; F, maxilliped.
Fig. 1. A in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 1. A map showing the distribution of Dentodiaptomus orientalis, new species, from Thailand and Cambodia. Legend: black triangle = sampling location, black circle = city name.
Fig. 2 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 2. Dentodiaptomus orientalis, new species, male: A, habitus, dorsal view; B, P5, posterior view; C, P5, frontal view; D, left P5 Enp and Exp, posterior view.
Fig. 7 in A new species of copepod (Copepoda: Calanoida) from the floodplain of the lower Mekong River Basin in Thailand and Cambodia, with an amended diagnosis of the genus Dentodiaptomus Shen & Tai, 1964
Fig. 7. Dentodiaptomus orientalis, new species, female: A, pediger 5 and genital double-somite, dorsal view; B, P5, posterior view; C, P5, frontal view.
Fig. 6 in Spatio-temporal variation of the invasive copepod Oithona davisae in the zooplankton community of Kavala harbour Abstract
Fig. 6: (Α) Cluster Analysis and (Β) Non-metric Multi-dimensional Scaling configuration (NMDS) on copepod's abundance data (50 μm net). The groups were delineated at a 60% similarity level (dashed line).
Fig. 2 in Spatio-temporal variation of the invasive copepod Oithona davisae in the zooplankton community of Kavala harbour Abstract
Fig. 2: Oithona davisae collected from Kavala's harbour A) dorsal view, B) side view, C) maxillule (scale 50 μm).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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