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533 results for “Cephalopoda”
Figure 1 in First record of the whip-lash squid, Mastigoteuthis agassizii Verrill, 1881 (Mollusca: Cephalopoda: Mastigoteuthidae) in the Subarctic Atlantic, with notes on its morphology and biology
Figure 1. Distribution of Mastigoteuthis agassizii in the North Atlantic. (a) Known range (based on Lu and Clarke 1975; Santos et al. 2001a, 2001b; Vecchione and Pohle 2002; Roper and Jereb 2010; Vecchione et al. 2010; Vecchione and Young 2014c); (b) location of our samples; (c) supposed real northernmost border of the range.
Figure 2 in First record of the whip-lash squid, Mastigoteuthis agassizii Verrill, 1881 (Mollusca: Cephalopoda: Mastigoteuthidae) in the Subarctic Atlantic, with notes on its morphology and biology
Figure 2. Morphology of the Subarctic specimens of Mastigoteuthis agassizii. (a, b) Dorsal and ventral views of male; (c, d) dorsal and ventral views of female; (e) integument of male; (f) funnel of female; (g) funnel-locking cartilage of male; (h) mantle-locking cartilage of male; (i) funnel-locking cartilage of female; (j) mantle-locking cartilage of female; (k, l) lower and upper beak of female. Abbreviations: atr, antitragus; ch, chromatophores; flc, funnel-locking cartilage; fp, funnel pocket; ph, photophores; r, rostrum; tr, tragus. Scale bars: a–d = 10 mm; e = 0.5 mm; f = 5 mm; g–l = 1 mm.
Figure 5 in First record of the whip-lash squid, Mastigoteuthis agassizii Verrill, 1881 (Mollusca: Cephalopoda: Mastigoteuthidae) in the Subarctic Atlantic, with notes on its morphology and biology
Figure 5. Morphology of the male reproductive system of the Subarctic specimen of Mastigoteuthis agassizii. (a, b) Ventral view of spermatophoric complex; (c) dorsal view of spermatophoric complex; (d) ventral view of enlarged distal part of penis. Abbreviations: ep, enlarged distal part of penis; p, penis; sc I–sc VI, spermatophoric complex parts I–VI; sd, sperm duct; ss, spermatophoric sac. Scale bars: a–c = 1 mm; d = 0.2 mm.
Figure 1 in In situ observations on behaviour of the ommastrephid squid genus Illex (Cephalopoda: Ommastrephidae) in the northwestern Atlantic
Figure 1. Component accumulation curves. (A) Chromatic component accumulation curve; (B) postural component accumulation curve; (C) locomotor component accumulation curve.
Figure 4 in In situ observations on behaviour of the ommastrephid squid genus Illex (Cephalopoda: Ommastrephidae) in the northwestern Atlantic
Figure 4. Compilation of data on vertical distribution from these videotaped observations. Filled circles: observations from the Gulf of Mexico; open circles: from other areas. Top: Depth of observation versus local time; bottom: distance above the bottom versus local time. Some circles represent overlapping records. Range bars indicate changes in submersible depth with squid continuously in sight.
Figure 6 in Structure of the reproductive system and hectocotylus in males of lesser flying squid Todaropsis eblanae (Cephalopoda: Ommastrephidae)
Figure 6. The hectocotylus Todaropsis eblanae from (A) the shelf of Namibia [mantle length (ML) 7.6 cm, V1 maturity stage], and (B, C) the Barents Sea (ML 9.2 cm, V1 maturity stage). Scale bars: 5 mm (A, B), 1 mm (C).
Figure 5 in Structure of the reproductive system and hectocotylus in males of lesser flying squid Todaropsis eblanae (Cephalopoda: Ommastrephidae)
Figure 5. Ontogenetic variability of spermatophore length in Todaropsis eblanae (V2 maturity stage) from (A) the shelf of Mauritania [mantle length (ML) 12.1 cm, 113 spermatophores]; and (B) the shelf of Angola (ML 13.5 cm, 79 spermatophores). 1, spermatophores from the anterior part of the spermatophoric sac; 2, from the main part; 3, from the posterior part; 4, all spermatophores.
Figure 4 in Structure of the reproductive system and hectocotylus in males of lesser flying squid Todaropsis eblanae (Cephalopoda: Ommastrephidae)
Figure 4. The spermatophores of Todaropsis eblanae from (A, B) the shelf of Mauritania [mantle length (ML) 12.1 cm, V2 maturity stage]; (C, D) the Mascarene ridge (ML 14.2 cm, V2 maturity stage); and (E–G) the Barents Sea (ML 9.2 cm, V1 maturity stage). B, D, F, anterior part of cement body; G, tentative spermatophore. Scale bars: 1 mm (A, C, E), 0.5 mm (B, D, F, G).
Figure 3 in Structure of the reproductive system and hectocotylus in males of lesser flying squid Todaropsis eblanae (Cephalopoda: Ommastrephidae)
Figure 3. The spermatophoric complex of organs of Todaropsis eblanae from (A) the Barents Sea [mantle length (ML) 9.2 cm, V1 maturity stage]; (B) the shelf of Morocco (ML 11.4 cm, IV maturity stage); (C) the shelf of Namibia (ML 7.6 cm, V1 maturity stage); and (D) the Mascarene ridge (ML 14.2 cm, V2 maturity stage). Parts of SCO: sd, sperm duct; sg I–VI, spermatophoric gland parts; ss, spermatophoric sac; p(to), penis (terminal organ); f, fundus. Scale bars: 5 mm.
Figure 2 in Structure of the reproductive system and hectocotylus in males of lesser flying squid Todaropsis eblanae (Cephalopoda: Ommastrephidae)
Figure 2. Scheme of measuring of (A) hectocotylus and (B) spermatophore. Length of: 1. hectocotylized arm; 2. modified proximal part; 3. hectocotylized distal part; 4. spermatophore; 5. tread; 6. head; 7. ejaculatory tube; 8. cement body; 9. seminal reservoir; 10. posterior empty part. Width of: 11. modified proximal part; 12. coarse crests; 13. ventral membrane of distal part; 14. leaf-like plates; 15. seminal reservoir; 16. spermatophore; 17. diameter of sucker.
Figure 6 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 6. The phylogenetic tree based on cytochrome c oxidase type I (COI) gene data. Numbers in bold face above branches are maximum likelihood/neighbour joining/maximum parsimony bootstrap support values (1000 replicates). Asterisk indicates bootstrap values less than 50%. Sepioteuthis lessoniana was used as distant outgroup species.
Figure 2 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 2. Cistopus chinensis sp. nov. (A) Funnel organ, OUC-XKS021, male, 57.3 mm DML, scale bar 1 mm; (B) radula, OUC-XKS013, male, 75.6 mm DML, scale bar 100 µm; (C) distal end of hectocotylized arm, lateral view, OUC-XKS024, male, 43.2 mm DML, scale bar 1 mm; (D) stylet, OUC-XKS016, female, 56.3 mm DML, scale bar 5 mm; (E) digestive system, OUC-XKS021, male, 57.3 mm DML, scale bar 50 mm. Abbreviations: a, anus; asg, anterior salivary gland; bm, buccal mass; c, caecum; cd, crop diverticulum; cr, crop; dg, digestive gland; i, intestine; is, ink sac; o, oesophagus; psg, posterior salivary gland; s, stomach.
Figure 5 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 5. Cistopus chinensis sp. nov.. (A,C) OUC-XKS-WH001, 71.8 mm DML male; (B) OUC-XKS015, 59.2 mm DML female. (D,E) obtained from hatching pond indoors. (A) Male reproductive tract, scale bar 10 mm; (B) reproductive system of female, scale bar 10 mm; (C) spermatophore, scale bar 5 mm; (D) egg cluster; (E) single laid egg (length = 13.0 mm). Abbreviations: ag, accessory gland; do, distal oviduct; ea, ejaculatory apparatus; f, filament; mg, mucilaginous gland; o, ovary; og, oviducal gland; sr, sperm reservoir; ss, spermatophore storage sac; t, testis; to, terminal organ; vd, vas deferens.
Figure 1 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 1. Cistopus chinensis sp. nov. Dorsal (left) and ventral view (right) of whole animal, holotype (CMRC-XKS-0908026, male, 96 mm DML).
Figure 4 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 4. Cistopus chinensis sp. nov. (A–C) OUC-XKS-WH002, male (mature), 83.0 mm DML, scale bar 5 mm: (A) upper beak, lateral view; (B) lower beak, top view; (C) lower beak, lateral view. (D,E) Scanning electron micrographs of the radula, scale bar 100 µm: (D) OUC-XKS014, female, 63.2 mm DML; (E) OUC-XKS013, male, 76.5 mm DML.
Figure 3 in A new species of Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the East and South China Seas and phylogenetic analysis based on the mitochondrial COI gene
Figure 3. Cistopus chinensis sp. nov. (A) Hectocotylus, lateral view, OUC-XKS024, male, 43.2 mm DML, scale bar 1 mm; (B) enlarged suckers (see arrows), OUC-XKS007, male, 56.5 mm DML, scale bar 10 mm, (C) mucous pouch (see arrows), OUC-XS020, female, 49.8 mm DML, scale bar 10 mm; (D) mucous pouch (see arrows), OUC-XKS021, male, 57.3 mm DML, scale bar 10 mm; (E) live animal just caught from Putian, Fujian Province.
Figure 2 in Solitary spawning revealed - an in situ observation of spawning behaviour of Doryteuthis (Amerigo) gahi (d'Orbigny, 1835 in 1834-1847) (Cephalopoda: Loliginidae) in the Falkland Islands
Figure 2. Doryteuthis gahi: (A) before spawning, with egg capsule showing; (B) laying egg capsule; (C) showing habitat where egg mass was laid.
Figure 1. Location map showing study sites, O in Solitary spawning revealed - an in situ observation of spawning behaviour of Doryteuthis (Amerigo) gahi (d'Orbigny, 1835 in 1834-1847) (Cephalopoda: Loliginidae) in the Falkland Islands
Figure 1. Location map showing study sites, O = no egg clusters observed, ⊕ = Doryteuthis gahi egg clusters observed, arrow indicates location of observed D. gahi spawning.
FIG. 4 in Larval anisakid nematodes from four species of squid (Cephalopoda: Teuthoidea) from the central and western North Paci®c Ocean
FIG. 4. Lappetascaris sp. Type B third-stage larva from the squid Ommastrephes bartramii. (A) Anterior part of body; (B) cephalic end; (C) caudal end; (D) general view of larva. Scale bars in mm.
FIG. 2. Anisakis spp. third-stage larvae from the squid Onychoteuthis borealijaponic a in Larval anisakid nematodes from four species of squid (Cephalopoda: Teuthoidea) from the central and western North Paci®c Ocean
FIG. 2. Anisakis spp. third-stage larvae from the squid Onychoteuthis borealijaponic a. (A±D) A. simplex: (A) anterior part of body; (B) cephalic end; (C) caudal end; (D) tip of tail. (E±H) A. physeteris: (E) cephalic end; (F) anterior part of body; (G) caudal end; (H) tip of tail. Scale bars in 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)
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.