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42 results for “Acanthaster”
FIGURE 7 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 7. Typical latero-oral spines, showing species-specific variation among (A) Acanthaster benziei sp. nov., (B) A. planci, (C) A. mauritiensis, and (D) A. cf. solaris.
FIGURE 6 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 6. Typical primary spines, showing species-specific variation among (A, B) Acanthaster benziei sp. nov., (C) A. planci, (D) A. mauritiensis, and (E) A. cf. solaris.
FIGURE 5 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 5. Typical colouration of Acanthaster benziei sp. nov. (A) GW4081 (Paratype, hiding during the day under a crevice), Al-Lith, Saudi Arabia, (photo credit: Oliver Voigt), (B–D) Thuwal Reefs, Saudi Arabia (photo credit: Gert Wörheide). Approximate diameter of specimens is 25–30 cm.
FIGURE 4 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 4. Acanthaster benziei sp. nov. (holotype GW4202) (A-B) Aboral spines, (C-F) oral spines and (G-H) pedicellariae of four adult specimens of Acanthaster benziei sp. nov.: (A) Primary spines, (B) Secondary spines, (C) Latero-oral spines, (D) Circumoral spines, (E) Oral spines, (F) Subambulacral spines, (G) Aboral pedicellariae, (H) Oral pedicellariae.
FIGURE 2 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 2. Ethanol-preserved specimens of the type series. GW4202 (A) is the holotype, all the others (B–D) are paratypes. Note that individual GW4266 is a juvenile specimen. Size of labels 6 × 2 cm.
FIGURE 1 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 1. Illustrations of pedicellariae and spines (A–C). A: Subambulacral spines, top: bundle with two equally long spines each, bottom: bundle with four unequal long spines; B: Aboral pedicellariae with two valves; C: Close up of part of one arm of paratype GW4081, showing three different spine types indicated by arrows: latero-oral spines (dark blue), oral spines (yellow), subambulacral spines (turquoise). The actinal pedicellariae (red) are associated with the first row of oral spines.
FIGURE 3. A in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 3. A: Indo-Pacific 'Acanthaster planci' species complex, COI ML tree based on the haplotype alignment of Vogler et al. (2008), supplemented with five samples from Israel (see text for details) extracted from full mitochondrial genome sequences from Yuasa et al. (2021) and four sequences of the type series of Acanthaster benziei sp. nov. (GW4xxx, highlighted in bold). The tree was rooted with Acanthaster brevispinus (accession number AB231476), showing the deep divergence among, and little diversity within, species/geographic clades. ML bootstrap values are above branches, bootstrap values of the NJ clustering of haplotypes below branches. B: Geographic distribution of COI-barcoded clades and of type localities of names (Figure 1 from Haszprunar et al. 2017): red—Red Sea (RS) species; blue—Southern Indian Ocean (SIO) species (A. mauritiensis); yellow—Northern Indian Ocean (NIO) species (A. planci); green—Pacific Ocean (PO) species (A. cf. solaris). Location of type localities of nominal Acanthaster species: asterisk—A. planci; cross—A. echinites; triangle—A. solaris, square—A. mauritiensis; circle—A. ellisii pseudoplanci; "?" - the type locality of A. ellisii was not specified: in South American waters of the East Pacific.
Data from: Indirect effects of ocean acidification drive feeding and growth of juvenile crown-of-thorns starfish, Acanthaster planci
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Limited evidence of cloning and selfing within wild populations of coral-eating crown-of thorns seastar (Acanthaster cf. solaris)
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Figure 2 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 2 Value of phagocytic index (PI) and phagocytic capacity (PC) from FrKl3.1.3.1 and FrKl3.1.3.2.
Figure 3. a. Acanthaster planci, b. Acanthaster planci, c. Aquilonastra burtoni, d. Fromia milleporella, 5 in Echinodermata of Lakshadweep, Arabian Sea with the description of a new genus and a species
Figure 3. a. Acanthaster planci, b. Acanthaster planci, c. Aquilonastra burtoni, d. Fromia milleporella, 5-armed specimen, e. Fromia nodosa, abactinal view, f. Fromia nodosa, actinal view
Figure 8 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 8 1H-NMR spectrum of FrKl3.1.3.1.
Figure 5 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 5 Peak MS no:2 retention time 5.725 minute (MW.400.0389) from FrKl3.1.3.1
Figure 4 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 4 Cromatogram LC-MS FrKl3.1.3.1.
Figure 11 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 11 Chemical structure of ergost-7-en-3-ol compound.
Figure 10 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 10 HMQC and HMBC correlation of ergost-7-en-3-ol compound.
Figure 1 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 1 A map of the sampling locations
Figure 7 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 7 FTIR Spectrum of FrKl3.1.3.1.
Figure 3 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 3 Macrophage activitas clorofom fraction A. planci FrKl3.1.3.1 and FrKl3.1.3.2.
Figure 6 from: Achmad MJ, Samman A, Akbar N (2024) Action of Ergost-7-en-3- ol from (Acanthaster planci) stimulation of activity peritoneal macrophages. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e113504
Figure 6 UV-Vis spectrum of FrKl3.1.3.1.
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