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53 results for “northern Red Sea”
Data from: Deep COI sequencing of standardized benthic samples unveils overlooked diversity of Jordanian coral reefs in the Northern Red Sea
High-Throughput Sequencing (HTS) of DNA barcodes (metabarcoding), particularly when combined with standardized sampling protocols, is one of the most promising approaches for censusing overlooked cryptic invertebrate communities. We present biodiversity estimates based on sequencing of the cytochrome c oxidase subunit 1 (COI) gene for coral reefs of the Gulf of Aqaba, a semi-enclosed system in the Northern Red Sea. Samples were obtained from standardized sampling devices [Autonomous Reef Monitoring Structures (ARMS)] deployed for 18 months. DNA barcoding of non-sessile specimens >2mm revealed 83 OTUs in six phyla, of which only 25% matched a reference sequence in public databases. Metabarcoding of the 2mm-500μm and sessile bulk fractions revealed 1197 OTUs in 15 animal phyla, of which only 4.9% matched reference barcodes. These results highlight the scarcity of COI data for cryptobenthic organisms of the Red Sea. Compared with data obtained using similar methods, our results suggest that Gulf of Aqaba reefs are less diverse than two Pacific coral reefs but much more diverse than an Atlantic oyster reef at a similar latitude. The standardized approaches used here show promise for establishing baseline data on biodiversity, monitoring the impacts of environmental change, and quantifying patterns of diversity at regional and global scales.
Figure 4 in Sillago suezensis, a new whiting from the northern Red Sea, and status of Sillago erythraea Cuvier (Teleostei: Sillaginidae)
Figure 4. (A) Sillago suezensis new species, Mediterranean Sea, swimbladder, dorsal view; (B) Sillago sihama, Eritrea, swimbladder, dorsal view; (C) Sillago sp. (aff. sihama), Hong Kong, China, swimbladder, dorsal view.
Figure 3 in Sillago suezensis, a new whiting from the northern Red Sea, and status of Sillago erythraea Cuvier (Teleostei: Sillaginidae)
Figure 3. (A) Sillago suezensis new species, paralectotype of Sillago erythraea (MNHN A-3127), X-ray; (B) Sillago sihama, lectotype of Sillago erythraea (MNHN A-3137), X-ray.
Figure 1 in Sillago suezensis, a new whiting from the northern Red Sea, and status of Sillago erythraea Cuvier (Teleostei: Sillaginidae)
Figure 1. (A) Sillago suezensis sp. nov., Suez, Gulf of Suez, Red Sea (specimen not preserved; photograph taken by Sergey Bogorodsky); (B) Sillago suezensis sp. nov., HUJF 7134, holotype of Sillago suezensis sp. nov., 137 mm SL, Abu Zanima, Egypt, Gulf of Suez, Red Sea; (C) Sillago sihama, Eritrea, southern Red Sea (HUJF 19716, specimen 1, 184 mm SL); (Dl) Sillago suezensis sp. nov., paralectotype of Sillago erythraea (MNHN A-3127, 163 mm SL); (Dll) Sillago sihama, lectotype of Sillago erythraea (MNHN A-3137, 138 mm SL).
Figure 2 in Sillago suezensis, a new whiting from the northern Red Sea, and status of Sillago erythraea Cuvier (Teleostei: Sillaginidae)
Figure 2. Sillago suezensis sp. nov., Mediterranean Sea (HUJF 10860, specimen 1, 160 mm SL), operculum.
FIGURE 1 in A new deep-water species of Discias Rathbun, 1902 (Decapoda: Caridea: Disciadidae) from the Gulf of Aqaba, northern Red Sea
FIGURE 1. Discias forsskali sp. nov., Saudi Arabian side of Gulf of Aqaba, northern Red Sea, holotype, ovigerous female (pocl 2.7 mm, cl 3.8 mm), FLMNH UF 68639: A, habitus, right lateral (fourth pereiopod missing, drawn based on its left side homolog); B, frontal region, lateral; C, rostral region and eyes, dorsal; D, detail of rostrum, dorsal; E, left antenna, ventral; F, left mandible, mesial; G, same, lateral; H, same, detail of molar process; I, left maxillule, lateral; J, left maxilla, lateral; K, left first maxilliped, lateral; L, left second maxilliped, lateral; M, left third maxilliped, lateral; N, same, ultimate article, dorsomesial.
FIGURE 2 in A new deep-water species of Discias Rathbun, 1902 (Decapoda: Caridea: Disciadidae) from the Gulf of Aqaba, northern Red Sea
FIGURE 2. Discias forsskali sp. nov., Saudi Arabian side of Gulf of Aqaba, northern Red Sea, holotype, ovigerous female (pocl 2.7 mm, cl 3.8 mm), FLMNH UF 68639: A, left first pereiopod, lateral; B, same, mesial; C, same, chela, ventral; D, same, distal portion of chela, dorsal; E, right first pereiopod, distal portion of chela, ventral; F, left second pereiopod, lateral; G, same, carpus and chela, ventral (mesial); H, same, carpus and chela, dorsal (lateral); I, left third pereiopod, lateral; J, same, distal portion of carpus, propodus and dactylus, lateral; K, left fourth pereiopod, lateral; L, same, distal portion of carpus, propodus and dactylus, lateral; M, left fifth pereiopod, lateral; N, same, distal portion of carpus, propodus and dactylus, lateral; O, telson and right uropod, dorsal; P, telson, distal margin.
Data from: Deep COI sequencing of standardized benthic samples unveils overlooked diversity of Jordanian coral reefs in the Northern Red Sea
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FIGURE 1 in Porifera, one new species Suberea purpureaflava n. sp. (Demospongiae, Verongida, Aplysinellidae) from northern Red Sea coral reefs, with short descriptions of Red Sea Verongida and known Suberea species
FIGURE 1. Map of the region, modified from Sheppard et al. (1991).
Figure 6 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 6 - Sinularia lamellata RMNH Coel no. 12864. Sclerites of the polypary. A clubs of surface layer B–C point sclerites D spindles from surface E spindles from interior F tuberculation. Scale bars: 0.10 mm (A–D, F), 1 mm (E).
Figure 2 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 2 - Sinularia mesophotica sp. n., holotype ZMTAU Co 37425. Sclerites from the polypary. A tentacle rods B straight collaret spindles C bent collaret spindles D clubs E larger clubs. Scale bar: 0.10 mm.
Figure 3 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 3 - Sinularia mesophotica sp. n., holotype ZMTAU Co 37425. Sclerites of the base of colony. A clubs of the surface layer B spindles of interior C tuberculation of the spindles. Scale bars: 0.10 mm (A, C), 1 mm (B).
Figure 3 from: Benayahu Y, McFadden CS, Shoham E (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny: I. A new sclerite-free genus from Eilat, northern Red Sea. ZooKeys 680: 1-11. https://doi.org/10.3897/zookeys.680.12727
Figure 3 - Altumia delicata gen. n. sp. n. live colonies. A, B colonies growing over branch of black coral with expanded polyps C colonies growing on PVC net (arrow heads).
Figure 5 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 5 - Maximum likelihood tree of concatenated mtMutS and igr1+COI mitochondrial gene sequences. Clade numbering system follows McFadden et al. (2009); some clades have been collapsed to facilitate readability. Asterisks indicate species with a funnel-shaped morphology similar to that of Sinularia mesophotica sp. n. Bootstrap values >50% are indicated adjacent to nodes.
Figure 1 from: Benayahu Y, McFadden CS, Shoham E (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny: I. A new sclerite-free genus from Eilat, northern Red Sea. ZooKeys 680: 1-11. https://doi.org/10.3897/zookeys.680.12727
Figure 1 - Phylogenetic relationships among species of octocorals that lack sclerites (red asterisks) and members of family Clavulariidae (blue labels), including Altumia delicata gen n. sp. n. (red label). Solid circles at nodes indicate strong support from both maximum-likelihood (bootstrap value >70%) and Bayesian (posterior probability >0.90) analyses; split circles indicate strong support from one analysis only (left half solid: supported by ML; right half solid: supported by Bayesian analysis). Strongly supported clades that include no clavulariid or sclerite-free species have been collapsed. Hexacorallian outgroup taxa used to root tree are not shown. For a comprehensive list of taxa and sequences included in the analyses see McFadden and Ofwegen (2012).
Figure 2 from: Benayahu Y, McFadden CS, Shoham E (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny: I. A new sclerite-free genus from Eilat, northern Red Sea. ZooKeys 680: 1-11. https://doi.org/10.3897/zookeys.680.12727
Figure 2 - Altumia delicata gen. n. sp. n. holotype ZMTAU CO 37427. A Colony growing over a branch of a black coral B close up of holotype. Scale 10 mm at A, 1 mm at B.
Figure 7 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 7 - Sinularia lamellata RMNH Coel no. 12864. Sclerites of the colony base; A clubs of surface layer B–C spindles from interior base D tuberculation of spindles. Scale bars: 0.10 mm (A, D), 1 mm (B, C).
Figure 1 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 1 - Sinularia mesophotica sp. n.; A Holotype ZMTAU Co 37425 B paratypes ZMTAU Co 37492. Scale bar: 1 cm (A also applies to B).
Figure 4 from: Benayahu Y, McFadden CS, Shoham E, van Ofwegen LP (2017) Search for mesophotic octocorals (Cnidaria, Anthozoa) and their phylogeny. II. A new zooxanthellate species from Eilat, northern Red Sea. ZooKeys 676: 1-12. https://doi.org/10.3897/zookeys.676.12751
Figure 4 - Underwater photographs of Sinularia mesophotica sp. n. A patch of colonies B funnel-shaped morphology of colonies.
Figure 3 in New record of the rare flounder Parabothus budkeri (Chabanaud, 1943) (Teleostei: Bothidae) from the Gulf of Aqaba, northern Red Sea, with a key to the genus Parabothus
Figure 3. - Geographical distribution of species of Parabothus in the Red Sea, Indian Ocean and western Pacific. Records based on examined specimens and literature (Amaoka and Imamura, 1990; Amaoka and Shen, 1993; Amaoka et al., 1997; Chabanaud 1943; Norman, 1934; Parin, 1983; Shen, 1983; Voronina and Causse 2014; Voronina et al., 2017). A: P. budkeri, new record; B: P. budkeri, type locality; C: P. coarctatus; D: P. filipes; E: P. kiensis; F: P. malhensis; G: P. polylepis; H: P. rotundifrons; J: P. taiwanensis.
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