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80 results for “Prey capture”
Prey Capture by Carnivorous Plants Worldwide 1923-2007
Available phylogenetic data illustrate that in all carnivorous lineages, the ancestral trap type is a sticky, flypaper-type trap (Ellison and Gotelli, 2001). In the Caryophyllales, pitfall traps (Nepenthes) and snap traps (Dionaea and Aldrovanda) are derived relative to the sticky pads of Drosera. Similarly, in the Lamiales, the sticky-leaved Pinguicula is ancestral to Genlisea with its eel (or lobster-pot) traps and Utricularia with its vacuum traps. In the Ericales, the Sarraceniaceae with its pitfall traps are derived relative to Roridula, another species with flypaper traps. Muller et al. (2004) hypothesed that carnivorous genera with rapidly evolving genomes (Genlisea and Utricularia) have more predictable and frequent captures of prey than do genera with more slowly evolving genomes; by extension it could be hypothesized that in general, carnivorous plants with more complex traps should have more predictable and frequent captures of prey than do those with relatively simple traps. Increases in predictability and frequency of prey capture could be achieved by evolving more elaborate mechanisms for attracting prey, by specializing on particular types of prey, or, as Darwin suggested, by specializing on particular (large) sizes of prey. In all cases, one would expect that prey actually captured would not be a random sample of the available prey. Furthermore, when multiple species of carnivorous plants co-occur, one would predict, again following Darwin that interspecific competition would lead to specialization on particular kinds of prey. Because the traps of carnivorous plants accumulate identifiable remains of prey, analysis of trap contents can provide an aggregate record of the prey that have been successfully "sampled" by the plant. Such samples could be used to begin to test the hypothesis that carnivorous plant genera differ in prey composition and to look for evidence of specialization in prey capture. Over the past 80 years, numerous ecologists have gat
Sarracenia Purpurea Prey Capture at Harvard Forest 2008
We experimentally demonstrate that nectar, not color, is the primary attractant of prey to carnivorous pitcher plants in their native habitats. Prey capture (either all taxa summed or individual common taxa considered separately) was not associated with total red area or patterning on pitchers of living pitcher plants. We separated effects of nectar availability and coloration using painted "pseudopitchers", half of which were coated with sugar solution. Unsugared pseudopitchers captured virtually no prey, whereas pseudopitchers with sugar solution captured the same amount of prey as living pitchers. In contrast to a recent study that associated red coloration with prey capture but that lacked appropriate controls for nectar availability, we conclude that nectar, not color, is the primary means by which pitcher plants attract prey.
Dataset for: Owner-ascribed personality profiles distinguish domestic cats that capture and bring home wild animal prey
<p>Dataset allowing repetition of the analyses in the above paper, comprising personality scores and predation data, with details of cat characteristics. See readme.txt file.</p>
Figure 10. Spheniopsis brasiliensis. A in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 10. Spheniopsis brasiliensis. A transverse section through the heart. AM, Amoebocyte; AU, auricle; PE, pericardium; PEG, pericardial gland; R, rectum; SM, suspensory membrane; V, ventricle.
Figure 3. Spheniopsis brasiliensis. A in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 3. Spheniopsis brasiliensis. A ventral view of the septum, foot and mouth. BG, Byssal groove; F, foot; F(T), 'toe' of foot; M, mouth; SE, septum; SEM, margin of septal membrane; SEP(1),(2),(3),(4), septal pores.
Figure 1 in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 1. Spheniopsis brasiliensis. SEM views of the siphonal apparatus. (A) Posterior view of the exhalant and inhalant siphons, with three and four siphonal papillae, respectively. (B) Higher magnification view of a single siphonal papilla with a terminal array of sensory cilia. CI, Cilia; ES, exhalant siphon; IS, Inhalant siphon; SP, sensory papilla; SPB, base of sensory papillae.
Figure 9. Spheniopsis brasiliensis. A in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 9. Spheniopsis brasiliensis. A transverse section through the pedal ganglia and the statocysts. PEGA, Pedal ganglia; STAT, statocyst; STL, statolith.
Figure 5 in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 5. Spheniopsis brasiliensis. Transverse sections through the (A) oesophagous; (B) crystalline style sac; (C) mid gut; (D) hind gut; and (E) rectum, all drawn to the same scale. CC, Collagen coat; CS, crystalline style.
Figure 8. Spheniopsis brasiliensis. A transverse section through a in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 8. Spheniopsis brasiliensis. A transverse section through a single digestive tubule. AM, Amoebocyte; CRC, crypt cell; DC, digestive cell.
Figure 4. Spheniopsis brasiliensis. A in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 4. Spheniopsis brasiliensis. A transverse section through the stomach in the region of the conjoined style sac and mid gut. CS, Crystalline style; CSMG, conjoined style sac and mid gut; CSS, crystalline style sac; FIPI, fragments of ingested prey; GS, gastric shield; MG, mid gut; SC, secretory cells.
Figure 7 in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 7. Spheniopsis brasiliensis. Histological sections through the visceral mass and ingested prey items. (A) A transverse section through the stomach with ingested prey items inside it. (B, C) The remains of captured and ingested ostracods. (D) The skeletal remains of an unknown prey item. CSS, Crystalline style sac; GS, gastric shield; IPI, ingested prey item; ST, stomach.
Figure 12. Spheniopsis brasiliensis. A section through a in The organs of prey capture and digestion in the miniature predatory bivalve Spheniopsis brasiliensis (Anomalodesmata: Cuspidarioidea: Spheniopsidae) expose a novel life-history trait
Figure 12. Spheniopsis brasiliensis. A section through a portion of a gonadial follicle. C, Cuticle; DN, dividing nucleus; DO, developing oocyte; EO, encapsulated oocyte; GE, germinal epithelium; N, nucleus; RT, regressing testes; STA, stalk; SPZ, spermatozoan; Y, yolk.
Fig. 4 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 4. Scytodid egg-sac. (A) Typical egg-sac of Scytodes cavernarum, S. fusca and the Philippines Scytodes sp. 2; and (B) Scytodes magna egg-sac. Note the denser silk surrounding the eggs of S. magna.
Fig. 8 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 8. Reproductive traits of five cave species of scytodids. (A) Mean (± S.E.) total number of spiderlings per female; (B) mean (± S.E.) egg hatching time (d); (C) mean (± S.E.) interval (d) between clutches; (D) mean (± S.E.) interval (d) between hatching and the next egg-sac production; (E) mean (± S.E.) number of clutches; and (F) mean (± S.E.) number of spiderlings per clutch. Different lower cases indicate significant differences.
Fig. 3 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 3. Maternal care of egg-sacs in spitting spiders. (A) Scytodes fusca female carrying her egg-sac in her chelicerae. (B) Guangxi Scyloxes sp. 1 female on the surface of the outer cave walls, staying close to her egg-sac. The egg-sac is suspended by two to three threads. (C) Web constructed by S. magna female. Her egg-sac is suspended by a few threads at the centre of the web.
Fig. 2 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 2. The 'cage within a cage' set-up for studying the natal dispersal patterns of scytodid spiders. Modified from Ruttan (1990).
Fig. 1 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 1. Four species of cave scytodid spiders. (A) female and (B) male Scytodes magna, body length = 10.5 mm; (C) female and (D) male S. fusca, body length = 5.8 mm; (E) female Philippines Scytodes sp. 2, body length = 5.6mm; and (F) female S. cavernarum, body length = 5.3 mm.
Fig. 6 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 6. Newly emerged Guangxi Scyloxes sp. 1 spiderlings spread out on the sparse silk nest, and female feeding on house fly alone. Body length of adult female = 11.5 mm.
Fig. 7 in Comparative Biology Of Cave-Dwelling Spitting Spiders (Araneae: Scytodidae): Parental Care, Cooperative Prey-Capture, Cannibalism, Natal Dispersal And Reproductive Behaviour
Fig. 7. Relationship between the days in which spiderlings dispersed and spiderling mass in five cave scytodid species. (A) Scytodes fusca; (B) S. carvernarum; (C) Philippines Scytodes sp. 2.; (D) S. magna; and (E) Guangxi Scyloxes sp. 1.
Data set for paper on Australian fur seal prey capture and foraging efficiency
<p>Data set for paper on Australian fur seal prey capture and foraging efficiency</p>
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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.