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47 results for “Octopodidae”
FIGURE 4. Cistopus indicus. a in A new species of pouched octopus, Cistopus Gray, 1849 (Cephalopoda: Octopodidae) from the southwest coast of India
FIGURE 4. Cistopus indicus. a. whole animal dorsal view (male). b. whole animal ventral view (male). (DABFUK/MOL/ CEPH/30). Scale bars 1cm.
FIGURE 2. a in A field guide to distinguishing Octopus insularis and Octopus americanus (Octopoda: Octopodidae)
FIGURE 2. a.) Octopus insularis from Brazil (photo by Diogo Pagnoncelli/Projeto Cephalopoda). Arrow indicates the pattern of dark "patches" against the light background on the ventral arms that can be used to distinguish the species from b.) Octopus americanus from Brazil (photo by Fernando Moraes) with a uniform pattern on the ventral surface of the arms.
FIGURE 1 in A field guide to distinguishing Octopus insularis and Octopus americanus (Octopoda: Octopodidae)
FIGURE 1. The geographic ranges of Octopus insularis and O. americanus. The currently-recognized range of O. americanus is indicated in blue (from Avendano et al. 2020a), the currently-recognized range of O. insularis in orange (from Lima et al. 2017) and the proposed range extensions for O. insularis are indicated in green (this publication).
FIGURE 4 in A field guide to distinguishing Octopus insularis and Octopus americanus (Octopoda: Octopodidae)
FIGURE 4. Representative photographs of O. insularis from regions north of its currently-recognized range. a.) In the Turks and Caicos Islands, showing dark patches on the ventral arms taken in <2 m of water at approximately 27°C (photo by CEO). b.) In south Florida, showing the dark patches on the ventral arms and deimatic display with the light ring around the eye and dark eye bar taken in 24 m of water at 29°C (photo by Mark Kosarin) c.) In the Bahamas, showing a deimatic display with the light ring around the eye and dark eye bar taken in 8 m of water at approximately 28°C (photo by Shane Gross). d.) In Bermuda, showing darks patches on ventral arms and captured in 1 m of water (photo by Nesta Wellman at the Bermuda Aquarium, Museum and Zoo).
FIGURE 1 in Octopus djinda (Cephalopoda: Octopodidae): a new member of the Octopus vulgaris group from southwest Australia
FIGURE 1. Geographic distribution of Octopus djinda, sp. nov. along the southwest Australian coast, from Shark Bay (north) to Cape Le Grand (southeast). Sampling localities are shown with white triangles: Ge, Geraldton; Ma, Mandurah; Es, Esperance. The distribution of O. tetricus is also shown along the east coast of Australia and northern New Zealand. Scale, 1,000 km.
FIGURE 5 in Octopus djinda (Cephalopoda: Octopodidae): a new member of the Octopus vulgaris group from southwest Australia
FIGURE 5. Octopus djinda, sp. nov. upper (A) and lower (B) beak. SEM image of the radula is shown under 25 times magnification (C). Scale, 10 mm (A, B), 1 mm (C).
FIGURE 4 in Octopus djinda (Cephalopoda: Octopodidae): a new member of the Octopus vulgaris group from southwest Australia
FIGURE 4. Digestive tract of a male Octopus djinda, sp. nov. specimen: Ad, dorsal aorta; BM, buccal mass; Cae, caecum; Cr, crop; DG, digestive gland; I, intestine; Oe, oesophagus; SGa, anterior salivary gland; SGp, posterior salivary gland; S, stomach; R, rectum. Scale, 20 mm.
FIGURE 3 in Octopus djinda (Cephalopoda: Octopodidae): a new member of the Octopus vulgaris group from southwest Australia
FIGURE 3. Male Octopus djinda, sp. nov. holotype specimen (WAM S.89010) from Esperance Bay, Australia. Scale, 30 mm.
FIGURE 6 in Octopus djinda (Cephalopoda: Octopodidae): a new member of the Octopus vulgaris group from southwest Australia
FIGURE 6. Octopus djinda, sp. nov. male reproductive tract shown in original orientation (A), and after rearrangement (B, C): AG, accessory gland; D, diverticulum; MG, mucilaginous gland; SG, spermatophore gland; SS, spermatophore sac; T, testis; TO, terminal organ. Female reproductive tract is also shown (D): Ov, ovary; Od, distal oviduct; OG, oviductal gland; Op, proximal oviduct. Scale, 10 mm.
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 3 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 3. Maximum likelihood tree depicting the phylogenetic relationship of 14 species (15 individuals) of Octopodidae. The analysis employed a portion of the mitochondrial gene, 12S rDNA. Bayesian posterior probability support values are indicated below the nodes and maximum likelihood bootstrap values with 50% support or greater are indicated above the nodes.
FIGURE 2 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 2. Maximum likelihood tree depicting the phylogenetic relationship of 13 species (14 individuals) of Octopodidae. The analysis employed a portion of four mitochondrial genes (12S rDNA, 16S rDNA, COIII, cyt b) and a portion of the nuclear gene rhodopsin. Bayesian posterior probability support values are indicated below the nodes and maximum likelihood bootstrap values with 50% support or greater are indicated above the nodes.
FIGURE 1 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 1. The Manus Vent octopus specimen (FMNH 310455) in situ near a hydrothermal vent in the Manus Basin off Papua New Guinea, 1500 m depth.
Figure 1. A in The den ecology and the effects of fishing pressure on the distribution of Octopus cyanea (Octopodidae: Mollusca) in Rodrigues lagoon, Rodrigues, Mauritius
Figure 1. A map of the geographical location of the island of Rodrigues showing the four protected areas in the north and north west (solid lines) and the approximate area of Ile aux Fous (nonprotected, dotted line).
Figure 3. A in The den ecology and the effects of fishing pressure on the distribution of Octopus cyanea (Octopodidae: Mollusca) in Rodrigues lagoon, Rodrigues, Mauritius
Figure 3. A schematic diagram of a transect set-up and the search path that was used for recording the octopus dens and the invertebrate benthos. The blue circle indicates the position of the painted rock, a marker to allow a second transect within 100 m of the first one to be measured. The dashed lines show the position of the outer tape measures which marked out the sample area, the small arrows show the direction each surveyor looked either side of the inner belt transect (2 m either side), the red lines show the position of the inner three transects that were used for recording, the long arrows show the direction each surveyor swam along each transect and the small numbers show the distance along the bottom tape measure that the three inner transects were placed.
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International Brain Laboratory public data
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OpenNeuro
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