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52 results for “Barbus”
Dataset and supplementary files - Behavioral response of chub (Squalius cephalus), barbel (Barbus barbus) and brown trout (Salmo trutta) to pulsed direct current electric fields and resulting optimal waveform for use at electrified bar racks
<p><strong>Behavior Library.zip: </strong>For each species and behavior observed during the experiments an exemplary video is provided. </p><p><strong>Behavior_all.pdf: </strong>Additional plots showing the thresholds for the first time each individual behavior was observed for all fish species and tested waveforms</p><p><strong>Species.pdf: </strong>Additional plot allowing direct comparison of observed thresholds for the tested species when subjected to different waveforms. </p><p><strong>data.csv:</strong> All data necessary to reevaluate the conducted experiments. The dataset consists of</p><ul><li>Experiment ID</li><li>waveform - indicating the set of electrical parameters used</li><li>fish species and fish id </li><li>behavior - observed behavior</li><li>time from and time to - time in s after the start of the experiment that a behavior was started and ended respectively</li><li>type - point or interval referring to whether a behavior is considered instantaneous or continuous</li><li>voltage - applied voltage at the start of the given behavior</li><li>experiment_timestamp - date and time of the start of the experiment</li><li>breathing rate start - breathing rate at the start of the experiment</li><li>water conductivity - water conductivity at a reference temperature of 25°C [muS/cm]</li><li>water temperature [°C]</li><li>breathing rate end - breathing rate at the end of the experiment</li><li>meta behavior - assigned category of meta behavior based on the observe behavior category</li><li>standard length, total length and height - standard length, total length and height of the tested fish in [mm]</li><li>volume - calculated fish volume based on the measured length and height and an assumed elliptical form of the fish</li><li>Fangdatum - Date of catch</li><li>t.Pulse - pulse length of the tested waveform [ms]</li><li>Frequency - Frequency of the tested waveform</li><li>N.Pulses.Group - Number of pulses per group of pulses for the waveform pattern</li><li>t.Gap - time between two pulses within a group of pulses [ms]</li><li>DutyCycle - Percentage of time current is flowing for a given waveform. Calculated based on the waveform parameters</li><li>usage - first, second or third time a fish was used in the experiments. </li><li>field strength - field strength at the time of this behavior calculated based on the applied voltage</li><li>c_w ambient water conductivity [muS/cm]</li><li>p_d - power density calculated based on the field strength and the ambient water conductivity</li><li>p_t - power transferred to the fish calculated based on the field strength, the ambient water conductivity and an assumed conductivity of the fish of 115 muS/cm</li></ul><p> </p><p> </p>
Fig. 10 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 10. Species representative of southern African tetraploid cyprinine genera. A. Pseudobarbus afer (Peters, 1864). B. Cheilobarbus capensis Smith, 1841. C. Amatolacypris trevelyani (Günther, 1877) gen. et comb. nov. D. Sedercypris calidus (Barnard, 1938) gen. et comb. nov. E. Namaquacypris hospes (Barnard, 1938) gen. et comb. nov. Photograph credits: A–D by P.H. Skelton (SAIAB); E by R.I. Bills (SAIAB).
Fig. 8 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 8. Summary trees showing alternative phylogenies from the literature of the tetraploid cyprinines from southern Africa, using the nomenclature proposed by the present study. Only relationships with bootstrap support>80 or Bayesian posterior probability support greater than 95% were considered and all unsupported relationships were collapsed. A. The present study. B. Tsigenopoulos et al. (2002); de Graaf et al. (2007); neighbour-joining tree, De Graaf et al. (2010); Berrebi et al. (2014); Yang et al. (2015). C. Bayesian tree by de Graaf et al. (2007).
Fig. 7 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 7. Proof sheet of plate X, annotated by Andrew Smith in the R.T. Günther Collection (A649), Cullen Library, University of Witwatersrand. Photograph by P.H. Skelton.
Fig. 9 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 9. Scatterplot of snout length (% HL) vs SL (mm) of the witvis, sawfin and Clanwilliam yellowfish to show the consistently longer snout of the witvis and sawfin. Specimens of Clanwilliam yellowfish with 'rubberlips' have longer snouts than normal and these exceptions intrude into the scatterfield of the witvis and sawfin. Barbus andrewi: o = holotype; B. capensis: ¢ = holotype, N = specimens; B. serra: Ł = holotype, A = specimens; Labeobarbus seeberi: O = lectotype and paralectotype, O = specimens.
Fig. 6 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 6. Andrew Smith's 1841 Plate X illustrating Barbus capensis (above) and Barbus marequensis (below). Photo credit: Cory Library, Rhodes University, Grahamstown.
Fig. 5 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 5. Bayesian phylogram, showing the phylogenetic relationships among southern African tetraploid barbs based on the mitochondrial cytochrome b gene. Bayesian posterior probabilities are shown above branches. Allele codes are indicated at terminal branches. NS: Not significant. The Bayesian posterior probability at higher NS node is 53%; at the subsequent node 77%.
Fig. 4 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 4. Scatterplot of anal fin length (% SL) vs SL (mm) of the witvis, sawfin and Clanwilliam yellowfish to show the consistently longer anal fin of the latter. Barbus andrewi: o = holotype; B. capensis: ¢ = holotype, N = specimens; B. serra: Ł = holotype, A = specimens; Labeobarbus seeberi: O = lectotype and paralectotype, O = specimens.
Fig. 3. A in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 3. A. Witvis, Barbus capensis now Cheilobarbus capensis Smith, 1841 (Gilchrist & Thompson 1913: fig. 70; Boulenger 1911: fig. 100). B. Clanwilliam yellowfish, Labeobarbus seeberi (Gilchrist & Thompson 1913: fig. 57; Boulenger 1916: fig. 150). C. Sawfin, Barbus serra now Cheilobarbus serra (Peters, 1864) (Gilchrist & Thompson 1913: fig. 61; Boulenger 1911: fig. 91), to show the overall body form and the form of the last unbranched dorsal-fin ray.
Fig. 2. A. A in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 2. A. A scale of the witvis Cheilobarbus capensis Smith, 1841 (SAIAB 52691) drawn by camera lucida to show the pattern of striae. Scale bar = 1 mm. Arrow indicates anterior (embedded field) to posterior (exposed field) orientation. Primary radii reach from radial centre to scale edge; secondary radii do not reach radial centre. B. Close up of the scales from the right flank of the lectotype of Barbus capensis (NHMUK 1845.7.3.99). Scale bar = 5 cm. Photograph by E. Vreven.
Fig. 1 in The identity of Barbus capensis Smith, 1841 and the generic status of southern African tetraploid cyprinids (Teleostei, Cyprinidae)
Fig. 1. The type (lectotype) of Barbus (Cheilobarbus) capensis Smith, 1841 (NHMUK 1845.7.3.99). Photograph credit: Trustees of the Natural History Museum, London.
FIGURE 3 in Barbus niluferensis, a new species of barbel (Teleostei: Cyprinidae) from Nilüfer River, Turkey, with re-description of B. oligolepis
FIGURE 3. Ventral view of head of: a, Barbus oligolepis, FFR 380, 198 mm SL; b, B. niluferensis, FFR 381, 136 mm SL; c, B. cyclolepis, FFR 768, 124 mm SL; d, B. escherichii, FFR 764, 187 mm SL; e, B. pergamonensis, FFR 527, 115 mm SL.
FIGURE 2 in Barbus niluferensis, a new species of barbel (Teleostei: Cyprinidae) from Nilüfer River, Turkey, with re-description of B. oligolepis
FIGURE 2. Last simple dorsal-fin ray of: a, Barbus oligolepis, FFR 380, 109 mm SL; b, B. niluferensis, FFR 381, 115 mm SL; c, B. cyclolepis, FFR 768, 121 mm SL; d, B. escherichii, FFR 764, 112 mm SL; e, B. pergamonensis, FFR 527, 131 mm SL.
FIGURE 6 in Description of Barbus teugelsi sp. nov. (Cypriniformes: Cyprinidae) from the Little Scarcies basin in Guinea, Africa
FIGURE 6. Scatterplot of PrDD (% SL) against standard length (mm) for all examined, Barbus teugelsi new species (n=25):
FIGURE 3 in Description of Barbus teugelsi sp. nov. (Cypriniformes: Cyprinidae) from the Little Scarcies basin in Guinea, Africa
FIGURE 3. Scatterplot of SL against PCII and SL against PCIII for log-transformed measurements of all examined specimens of Barbus teugelsi new species (n=25), 'B.' bigornei (n=26), 'B.' parablabes (n=4) and 'B.' ablabes (n=195). 'B.' teugelsi:
FIGURE 2 in Description of Barbus teugelsi sp. nov. (Cypriniformes: Cyprinidae) from the Little Scarcies basin in Guinea, Africa
FIGURE 2. Schematic illustration of: (a & b) Measurements taken on head and body, (c) Schematic illustration of barbels codification system, (d) Schematic illustration of cephalic sensory canals abundance: respectively, absent (1), few (2) and many (3).
FIGURE 8 in Description of Barbus teugelsi sp. nov. (Cypriniformes: Cyprinidae) from the Little Scarcies basin in Guinea, Africa
FIGURE 8. Photograph of Barbus teugelsi new species, Guinea: (at Marela): Mongo River, Little Scarcies basin. (a) MNHN 2010-0977, holotype, 58,9 mm SL and (b) MRAC B0-26-P-0002-0004, paratype, 95.85 mm SL.
FIGURE 6. Hypselobarbus canarensis, A in On the identities of Barbus mussullah Sykes and Cyprinus curmuca Hamilton with notes on the status of Gobio canarensis Jerdon (Teleostei: Cyprinidae)
FIGURE 6. Hypselobarbus canarensis, A, juvenile (~ 75 mm SL), showing orange and black markings on caudal fin; B, adult (~200 mm SL) with less-well defined orange and black markings on caudal fin (specimens not preserved).
FIGURE 11. A in On the identities of Barbus mussullah Sykes and Cyprinus curmuca Hamilton with notes on the status of Gobio canarensis Jerdon (Teleostei: Cyprinidae)
FIGURE 11. A, drawing of ' Barbus (Tor) khudree', B, and 'Barbus (Tor) mussullah' from Hora (1943: pl. 1) (reproduced with kind permission of the Bombay Natural History Society); C, Tor khudree, ZSI/SRC uncat., 109 mm SL, Dhom Dam, Krishna River; D, Tor sp., ZSI/SRC uncat., 114 mm SL, Krishna River, Satara.
FIGURE 10. A in On the identities of Barbus mussullah Sykes and Cyprinus curmuca Hamilton with notes on the status of Gobio canarensis Jerdon (Teleostei: Cyprinidae)
FIGURE 10. A, drawing of Barbus mussullah from Sykes (1841: pl. 61, fig. 4); B, adult Hypselobarbus canarensis (~ 350 mm SL), Netravati River, Karnataka (specimen not preserved).
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