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634 results for “Persian Gulf”
Data from: Ecomorphological adaptation in three mudskippers (Teleostei: Gobioidei: Gobiidae) from the Persian Gulf and the Gulf of Oman
We hypothesise that the body shapes of three mudskipper species (Boleophthalmus dussumieri, Periophthalmus waltoni, and Scartelaos tenuis) are ecomorphological adaptations to different epi- and infaunal habitats. We investigated: (i) the association between burrow density and selected ecological variables; (ii) the phylogenetic relationships among these species, based on two mtDNA and one nDNA markers; (iii) their geometric morphometrics and ancestral shape reconstructions, based on two-dimensional landmark configurations; and (iv) their body surface-to-volume ratios (SAV), based on a geometric model. Boleophthalmus dussumieri and S. tenuis are more closely related, and more elongated than P. waltoni; the body of S. tenuis also has a higher SAV, and its elongated shape appears to be a divergent trait. P. waltoni is found in a wide range of conditions, including vegetated habitats; B. dussumieri is associated with low-energy conditions and fine unvegetated deposits; and S. tenuis is associated with high-energy conditions and coarser, non-cohesive sediments. These results suggest that body elongation in Scartelaos species is a divergent locomotory adaptation to marine habitats characterised by semi-liquid and less cohesive sediments. The more compact body shape of Periophthalmus species is hypothesised to have evolved from a gobionelline ancestor, and is proposed to be a preadaptation to subaerial locomotion in semi-terrestrial habitats.
FIGURE 3. Oxynoemacheilus karunensis, FSJF 3525 in Oxynoemacheilus karunensis, a new species from the Persian Gulf basin (Teleostei: Nemacheilidae)
FIGURE 3. Oxynoemacheilus karunensis, FSJF 3525, paratypes, 55 mm SL, 40 mm SL, 36 mm SL; Iran: Gamasiab River.
FIGURE 4 in Oxynoemacheilus karunensis, a new species from the Persian Gulf basin (Teleostei: Nemacheilidae)
FIGURE 4. Oxynoemacheilus karunensis, not preserved, ~ 40 mm SL; Iran: Gamasiab River at Chesme Mahi. Photo by Kai Borkenhagen.
FIGURE 2. Oxynoemacheilus karunensis, FSJF 3525 in Oxynoemacheilus karunensis, a new species from the Persian Gulf basin (Teleostei: Nemacheilidae)
FIGURE 2. Oxynoemacheilus karunensis, FSJF 3525, paratypes, 55 mm SL, 40 mm SL, 36 mm SL; Iran: Gamasiab River.
FIGURE 12 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 12. Unrooted Neighbour-joining phylogram of the analyzed CO1 sequences of the three studied Atarbolana species. The optimal tree with the sum of branch length = 0.35376694 is shown. Numbers next to internal branches are non-parametric bootstrap values (in %). Only values above 90% are shown. The tree is drawn to scale, with branch lengths in the same units as those of the evolutionary distances used to infer the phylogenetic tree. Evolutionary distances were computed using the Kimura 2-parameter method and are in the units of the number of base substitutions per site. The analysis involved 28 nucleotide sequences. Codon positions included were 1st+2nd+3rd+Noncoding. All positions containing gaps and missing data were eliminated. There were a total of 658 positions in the final dataset.
FIGURE 10 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 10. Atarbolana setosa, male, (ZMSU 1014); A–C, pereopods 5–7 respectively; D, uropod dorsal view; E, uropod ventral view.
FIGURE 8 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 8. Atarbolana setosa, male, (ZMSU 1014); A, left mandible; B, maxillula; C, maxilla; D, maxilliped; E, maxilliped endite.
FIGURE 7 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 7. Atarbolana setosa, male, (ZMSU 1014); A, dorsal view; B, lateral view; C, pleotelson apex; D, female pleotelson; E, antennula; F, antenna.
FIGURE 5 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 5. Atarbolana exoconta, male, (ZMSU 1010); A–C, pereopods 5–7 respectively; D, uropod dorsal view; E, uropod ventral view.
FIGURE 3 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 3. Atarbolana exoconta, male, (ZMSU 1010); A, left mandible; B, maxillula; C, maxilla; D, maxilliped; E, maxilliped endite.
FIGURE 2 in DNA barcoding and morphological studies confirm the occurrence of three Atarbolana (Crustacea: Isopoda: Cirolanidae) species along the coastal zone of the Persian Gulf and Gulf of Oman
FIGURE 2. Atarbolana exoconta, male, (ZMSU 1010); A, dorsal view; B, lateral view; C, pleotelson apex D: pleotelson apex (Kuwait) E: pleotelson apex (Hengam Island); F, antennula; G, antenna.
FIGURE 4 in Redescription and mitochondrial identification of Chiromantes boulengeri (Calman, 1920) (Decapoda: Brachyura: Sesarmidae) based on fresh material from the Persian Gulf, Iran
FIGURE 4. Reconstruction of the phylogenetic relationships of selected species of Chiromantes and other Sesarmidae according to a Bayesian analysis (5 my generations) and Maximum Composite Likelihood (5,000 pseudorepilcates) of a 615 basepair alignment of 16S ribosomal mtDNA. Consensus tree shown with bootstrap values / posterior probabilities expressing support for the corresponding clades.
FIGURE 3 in Redescription and mitochondrial identification of Chiromantes boulengeri (Calman, 1920) (Decapoda: Brachyura: Sesarmidae) based on fresh material from the Persian Gulf, Iran
FIGURE 3. Chiromantes boulengeri (Calman, 1920). Bahmanshir River (SMF-33818). a, carapace of male; b, frontal region of male; c, outer surface of right cheliped of male; d, upper surface of right male cheliped; e, anterior thoracic sternites (setae removed) of male; f, abdomen of male; g, right G1 (dorsal view); h, apical part of right G1 (ventral view); i, apical part of right G1 (dorsal view); j, genital opening of female. Scale: a–f 1cm, g–h 1mm.
FIGURE 2 in Redescription and mitochondrial identification of Chiromantes boulengeri (Calman, 1920) (Decapoda: Brachyura: Sesarmidae) based on fresh material from the Persian Gulf, Iran
FIGURE 2. Chiromantes boulengeri (Calman, 1920). Male (CL 17.3, CB 20.7 mm), Bahmanshir River (SMF-33818). a, dorsal view; b, ventral view.
FIGURE 1 in Redescription and mitochondrial identification of Chiromantes boulengeri (Calman, 1920) (Decapoda: Brachyura: Sesarmidae) based on fresh material from the Persian Gulf, Iran
FIGURE 1. Major rivers discharging on the northern Persian Gulf: 1, Shat Al Arab River; 2, Karun River; 3, Bahmanshir River. Arrows indicate the sampling sites of C. boulengeri at the Bahmanshir River.
FIGURE 30. RMNH Coel. 38907 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 30. RMNH Coel. 38907, Paraplexaura sp.: a, thornscales and unilateral spinose bodies of surface layer; b, capstan derivative of the subsurface layer; c, spindles, capstans, and capstan derivatives of the subsurface layer. Scale at a also applies to b.
FIGURE 27. RMNH Coel. 38783 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 27. RMNH Coel. 38783, Menella sp. c: a, rooted leaves of surface layer; b, subsurface layer spindles.
FIGURE 24. RMNH Coel. 38782 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 24. RMNH Coel. 38782, Menella sp. b: a-b, point spindles; c, collaret spindles; d, rooted leaves of surface layer; e, leaf spindles of surface layer; f–g, capstans and spindles of the subsurface layer. Scale at a applies to a, d, g.
FIGURE 20. RMNH Coel. 38780 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 20. RMNH Coel. 38780, Euplexaura sp. a: a, point spindles; b, spindles from calyx; c–d, ellipsoids and spindles of surface layer; e, spindles of the subsurface layer. Scale at d only applies to d.
FIGURE 19. RMNH Coel. 38779 in Some shallow water octocorals (Coelenterata: Anthozoa) of the Persian Gulf
FIGURE 19. RMNH Coel. 38779, Euplexaura sp. a: a, point spindles; b, spindles from calyx; c–d, ellipsoids and spindles of surface layer; e, spindles of the subsurface layer. Scale at d only applies to d.
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