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21 results for “Batagur”
FIGURE 4 in First description of neonate Batagur trivittata (Testudines: Geoemydidae)
FIGURE 4. Head of neonate Batagur trivittata. Note caruncle (egg-tooth) and eye color. The caruncle is lost during the two months after hatching. (Photographed by Myo Min Win).
FIGURE 3 in A new subspecies of Batagur affinis (Cantor, 1847), one of the world's most critically endangered chelonians (Testudines: Geoemydidae)
FIGURE 3. (a) Batagur baska, male, Sundarbans, Bangladesh – photo: S.M.A. Rashid; (b) B. baska, semiadult female (the pointed, upturned snout develops only with increasing age), Sundarbans, Bangladesh – photo: P. Praschag; (c) west coast form of B. affinis, male, Klong La-ngu River, Satun Province, Thailand – photo: B. Horne; (d) west coast form of B. affinis, female, Perak River, Malaysia – photo: E.O. Moll; (e) east coast form of B. affinis, male, Dungun River, Malaysia – photo: E.H. Chan; (f) east coast form of B. affinis, female, Terengganu River, Malaysia – photo: E.O. Moll; (g) Cambodian Batagur male, Sre Ambel River system, Cambodia – photo: R. Holloway; (h) Cambodian Batagur female, Sre Ambel River system, Cambodia – photo: B. Horne. Note differences in head shape, soft part and iris coloration.
FIGURE 4 in A new subspecies of Batagur affinis (Cantor, 1847), one of the world's most critically endangered chelonians (Testudines: Geoemydidae)
FIGURE 4. Hatchlings of Batagur affinis, (a) west coast form, Perak River, Malaysia; (b) east coast form, Terengganu River, Malaysia – photos: E.O. Moll. Note yellow marginal scutes and silvery blotches in temporal and parietal region in the east coast hatchling.
FIGURE 2 in A new subspecies of Batagur affinis (Cantor, 1847), one of the world's most critically endangered chelonians (Testudines: Geoemydidae)
FIGURE 2. Parsimony networks for mitochondrial haplotypes of Batagur affinis, B. baska, B. kachuga, and the Cambodian Batagur (connection enforced). Symbol size corresponds to haplotype frequency; missing node haplotypes black. Lines joining haplotypes, one mutational step except otherwise indicated. (a) Network based on a 320-bp-long alignment of cyt b. Haplotypes and their frequencies (see Appendix): B. affinis – A1 (n=9), A2 (n=1); B. baska – B1 (n=5), B2 (n=1), B3 (n=1); B. kachuga – K1 (n=3), K2 (n=1), K3 (n=1); Cambodian Batagur – C (n=7). Haplotypes A1 and B1 include the lectotype of Tetraonyx affinis Cantor, 1847 and topotypic specimens of Emys baska Gray, 1830, respectively (Praschag et al. 2008). Haplotypes K1 and K2 are from topotypic specimens of Emys kachuga Gray, 1831. (b) Network based on a 1067-bp-long alignment of cyt b. Haplotypes and their frequencies: B. affinis – A1 (n=8), A2 (n=1); B. baska – B1 (n=4); B. kachuga – K1 (n=3), K2 (n=1), K3 (n=1); Cambodian Batagur – C (n=7).
FIGURE 5 in A new subspecies of Batagur affinis (Cantor, 1847), one of the world's most critically endangered chelonians (Testudines: Geoemydidae)
FIGURE 5. Historical distribution of Batagur affinis affinis, B. a. edwardmolli, and B. baska (modified from Praschag et al. 2008). Note that the species are extirpated in most of their former ranges.
FIGURE 1 in A new subspecies of Batagur affinis (Cantor, 1847), one of the world's most critically endangered chelonians (Testudines: Geoemydidae)
FIGURE 1. Bayesian reconstruction of the phylogeny of Batagur and allied geoemydid taxa, based on the expanded data set of Le et al. (2007). Numbers above nodes are posterior probabilities (partitioned analysis). Posterior probabilities are identical for unpartitioned analysis, except for the clade comprising B. dhongoka + (B. borneoensis + B. trivittata) and the basal clade of all taxa except Geoemyda and Rhinoclemmys (.97 and.81, respectively). Numbers below nodes, ML and MP bootstrap values. For Pangshura + (Hardella + Batagur) the habitat is coded.
FIGURE 3 in Naming one of the world's rarest chelonians, the southern Batagur
FIGURE 3. Dorsal and ventral aspect of the herein designated lectotype of Tetraonyx affinis Cantor 1847 (BMNH 1947.3.4.31). Scale bar: 2 cm. – Photos: C. McCarthy.
FIGURE 2 in Naming one of the world's rarest chelonians, the southern Batagur
FIGURE 2. Approximate historical range of Batagur affinis and B. baska (distribution data from Smith, 1931; Bourret, 1941; Iverson, 1992; Das, 1991, 1995, 2001; Platt et al., 2003; Kalyar et al., 2007; van Dijk, Kaylar and Platt, pers. comm.). Collection sites of genetically verified specimens indicated (open circles: B. affinis, black circles: B. baska); symbols for imprecise localities from Praschag et al. (2007) in Sumatra and peninsular Malaysia placed inland.
FIGURE 1 in Naming one of the world's rarest chelonians, the southern Batagur
FIGURE 1. Parsimony network of mtDNA haplotypes of three Batagur species based on an alignment of 320 bp (partial cyt b gene). Symbol size, approximate haplotype frequency. Each line joining haplotypes indicates one nucleotide substitution except when hatches across lines are present; then each hatch indicates one step. Missing node haplotypes are shown in black. Arrows, minimum number of mutational steps between the three species. Haplotype frequencies are A1 (n = 6): AM691750-AM691754 (GenBank accession numbers, Praschag et al., 2007), BMNH 1947.3.4.31 (this study); A2 (n = 1): AY434600 (Spinks et al., 2004); B1 (n = 4): AM495267-AM495269 (Praschag et al., 2007), BMNH 1867.12.30.59 (this study); B2 (n = 1): NHMW 1841 (this study); B3 (n = 1): BMNH 1887.3.30.7 (this study); K1 (n = 3): AM495284-AM495285, AM495287 (Praschag et al., 2007); K2 (n = 1): AM495286 (Praschag et al., 2007).
FIG. 6 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 6. Calls of Proceratophrys oelhochico sp. nov. (a) Advertisement call (ZUFMS-AMP 13942, SVL 33.0 mm; air temperature 22.6°C, air humidity 76%): (top) Oscillogram of eight calls with the zoomed call highlighted; (middle left) spectrogram; (middle right) power spectrum; and (bottom) oscillogram of the highlighted call. (b) Release call (ZUFMS-AMP 14724, SVL 38.7 mm): (top) Oscillogram of six calls with the zoomed call highlighted; (middle left) spectrogram (middle right) power spectrum; and (bottom) oscillogram of the highlighted call.
FIG. 9 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 9. Type locality environment of Proceratophrys oelhochico sp. nov. (a–d) Delfino district, Campo Formoso municipality (approximately 840 m of altitude); (e,f) Umburanas municipality (approximately 985 m of altitude), both in northern Bahia State, Brazil.
FIG. 2 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 2. Proceratophrys oelhochico sp. nov. (holotype, adult male, ZUFMS-AMP13650, SVL 34.0 mm). (a) Dorsal and (b) ventral views; (c) lateral view of the head; ventral views of (d) hand and (e) foot. Scale = 5 mm.
FIG. 5 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 5. Live specimens of the Proceratophrys cristiceps clade depicting differences in (1) upper eyelid border, and (2) tubercle on the buccal commissure. (a) P. cristiceps, (b) P. minuta, (c) P. redacta, and (d) P. schirchi. Photos: (a) D.J. Santana, (b) R. Marques, (c) F.M. Magalhães, (d) J.V. Lacerda.
FIG. 8 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 8. Tadpole of Proceratophrys oelhochico sp. nov. (ZUFMS-AMP lot ZUFMS-AMP13651.4), Gosner stage 39. (a) Lateral, (b) dorsal, and (c) ventral views. Scale = 5 mm. (d) Oral disc. Scale = 1 mm.
FIG. 4 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 4. Live specimens of Proceratophrys oelhochico sp. nov. (a) Adult male (holotype, ZUFMS-AMP13650); (b) adult female (UFMG 6224) from Campo Formoso Municipality, Bahia State, Brazil; (c) and (d) adult male (voucher recorded, ZUFMS-AMP 13942) from Umburanas municipality, Bahia State, Brazil; (e) a closer view of the calcar tubercle, a diagnostic feature of the new species; and (f) male displaying stiff-legged defensive behavior (individual not collected). Photos: (a) F.M. Magalhães, (b, e) F.S.F. Leite, (c, d, f) D.G. Cavalheri.
FIG. 3 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 3. Species of the Proceratophrys cristiceps clade showing differences in upper eyelid border, tubercles at the buccal commissure, and the calcar tubercle. (a) P. oelhochico sp. nov. (ZUFMS-AMP13650); (b) P. cristiceps (ZUFMS8595); (c) P. minuta (AAGARDA12928); and (d) P. redacta (AAGARDA13020). Scale = 5 mm.
FIG. 1 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 1. Topographic map with the distribution of Proceratophrys species reported for the Caatinga Biome. A partial distribution of P. schirchi along northeastern Brazil (but outside Caatinga), which is a phylogenetically related congener of the new species, is also shown. Abbreviations for Brazilian states: AL = Alagoas; BA = Bahia; CE = Ceará; MG = Minas Gerais; PB = Paraíba; PE = Pernambuco; PI = Piauı´; RN = Rio Grande do Norte; and SE = Sergipe. Highlighted areas denote the Environmental Protection Area (EPA, in blue) and National Park (NP, in red) Boqueirão da Onça, in Bahia State, Brazil. Satellite view of the two sites in which Proceratophrys oelhochico sp. nov. was found (P1 = Campo Formoso municipality, P2 = Umburanas municipality).
FIG. 7 in Preliminary study on hematological values of two endangered turtle species: Indotestudo travancorica and Batagur kachuga
FIG. 7. Phylogenetic relationships of Proceratophrys oelhochico sp. nov. and congeners as estimated by a Bayesian inference (BEAST) analyses of partitioned mitochondrial 16S rRNA and cytochrome b, and nuclear rhodopsin genes. Values below nodes indicate Bayesian posterior probabilities. Asterisks indicate posterior probabilities values = 1.0. Scale indicates rate of base substitutions per site.
FIGURE 2 in First description of neonate Batagur trivittata (Testudines: Geoemydidae)
FIGURE 2. Carapace of neonate Batagur trivittata approximately one month post-hatching. Note the prominent medial keel on vertebrals 2–4 and serrated marginal scutes. The faint blotches visible on some marginal scutes disappear rapidly with age. (Photographed by Myo Min Win).
FIGURE 3 in First description of neonate Batagur trivittata (Testudines: Geoemydidae)
FIGURE 3. Plastron of neonate Batagur trivittata showing umbilical scar and prominent keel-like bony ridge extending along the lateral edge from humeral to anal scutes (A). Lateral view of the bony ridge (B). Note the sharp rearward pointing spines on the bony ridge, which become blunt by age three and disappear by age four. The bony ridge recedes with age and is no longer evident by age five. Note also the spine-like posterior-pointing projections on the medial keel of the carapace (Photographed by Myo Min Win).
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