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19 results for “Pomatoschistus”
FIGURE 6 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 6. †Paralates chapelcorneri n. sp., NHMUK PV P 59785. 1. Complete specimen. 2. Region of the first dorsal fin. Arrows point from the pterygiophores to the interneural spaces into which each inserts. Pterygiophore formula = 3-2121100 The spinous rays of the first dorsal fin are marked with roman numerals. Abbreviations: 1–7 = pterygiophores, ptm = post-temporal, ns-v3–10 = neural spines of vertebrae 3–10, v2–4 = vertebral centra 2–4.
FIGURE 4 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 4. †Paralates bleicheri Sauvage, 1883, NMB Ruf. 18. 1. Viewed under normal light. (Photo by M. Schellenberger.) 2. Imaged with UV light. (Photo by H. Tischlinger.)
FIGURE 5 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 5. †Paralates chapelcorneri n. sp., NHMUK PV P 59786. 1. Skull. 2. Complete specimen. 3. Detail of opercle with cycloid scales. Abbreviations: art = anguloarticular, d = dentary, ect = ectopterygoid, f = frontal, meth = mesethmoid, mx = maxilla, op = opercle, pmx = premaxilla, pop = preopercle, q = quadrate, scl = supracleithrum.
FIGURE 7 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 7. †Paralates chapelcorneri n. sp., NHMUK PV P59785_counterpart. 1. Complete specimen. 2. Caudal skeleton and fin. Small Roman numerals in parentheses label unbranched, unsegmented rays, small Roman numerals indicate segmented unbranched rays, and Arabic numerals designate segmented, branched rays (after Fricke, 1983). Abbreviations: epu = epural, hpu = hemal spine of preural centrum, hy = hypural, npu = neural spine of preural centrum, phy = parhypural, pu = preural centrum, us = urostyle.
FIGURE 2 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 2. †Paralates bleicheri Sauvage, 1883. 1. NMB Ruf. 13_1 skull. 2. NMB Ruf. 15b (Neotype, designated by Gaudant, 1979). 3. NMB Ruf. 15a. Abbreviations: chy = ceratohyal, d = dentary, f = frontal, mx = maxilla, meth = mesethmoid, op = opercle, pmx = premaxilla, pop = preopercle, q = quadrate, sop = subopercle. (Photos by M. Schellenberger.)
FIGURE 3 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 3. Comparison of frontals (highlighted by the black lines). 1. †Paralates bleicheri Sauvage, 1883, NMB Ruf. 13_1 skull mirrored. (Photo by M. Schellenberger.) 2. †Paralates chapelcorneri n. sp., NHMUK PV P 59786. Same scale for both skulls.
FIGURE 1 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 1. Phylogeny of the Gobiiformes according to Thacker et al. (2015) and Nelson et al. (2016). 6brG = gobiiforms with six branchiostegal rays, 5brG = gobiiforms with five branchiostegal rays.
FIGURE 8 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 8. †Paralates chapelcorneri n. sp., NHMUK PV P 59784. 1. Complete specimen. 2. Skull showing possible symplectic and six branchiostegals. Abbreviations: 1–6 = branchiostegals, ect = ectopterygoid, mpt = metapterygoid, sf = suspensorium fenestra, sym = symplectic. (Photos by K. Webb; © The Trustees of the Natural History Museum, London)
FIGURE 5 in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 5 Otoliths (mesial view) of Gobius bucchichi (a–c: Selce, 3l, 1l, 4l), G. cruentatus (d–f: Selce, 2l, 3l, 8l), G. niger (g–i: Pilsey Island, 2l, 6l, 5l) and G. roulei (j–l: Selce, 2l, 1l, 3l). Numbers following the localities refer to the fish specimen from which the otolith was extracted; l, left otolith. SL denotes the standard length (in mm) of the corresponding fish specimen. Scale bars: 0.5 mm. All figured otoliths are kept in the Bavarian State Collection (collection number SNSB-BSPG 2020 LIV).
FIGURE 6 in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 6 Otoliths (mesial view) of Pomatoschistus knerii (a–d: Krk, 1r, 2r, each mirrored, 9l, 4r mirrored), P. marmoratus (e–h: Selce, 1r, 2r, 3r, each mirrored, 4l), P. microps (i–l: Stralsund, 8l, 5l, 6l, 14l), P. minutus (m: Stralsund, 1l), P. montenegrensis (n–p: Skadar lake, 8l, 9l, 6l), P. pictus (m: Norway, 2r mirrored), and P. quagga (r–t: Krk, 2l, 8r mirrored, 4l). Numbers following the localities refer to the fish specimen from which the otolith was extracted; l, left otolith; r, right otolith, mirrored for better comparison. SL denotes the standard length (in mm) of the corresponding fish specimen. Scale bars: 0.5 mm. All figured otoliths are kept in the Bavarian State Collection (collection number SNSB-BSPG 2020 LIV). Downloaded from Brill.com10/07/2022 07:35:45PM via free access
FIGURE 4 in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 4 Otoliths (mesial view) of Gobius cobitis (a–c: Montenegro, 7l, 4l, 1l), G. geniporus (d: Montenegro, 3l; e, f: Selce, 2l, 'medium'), G. incognitus (g–i: Pelješac Peninsula, J1914l, J1910r mirrored, J1906l), G. paganellus (j–l: Galicia, 1l, 6l, 8l) and G. vittatus (m, Selce, 2l; n, o, Krk, Krk, 1l; 2l; p: Selce 2l). Numbers following the localities refer to the fish specimen from which the otolith was extracted; l, left otolith; r, right otolith, mirrored for better comparison. SL denotes the standard length (in mm) of the corresponding fish specimen. Scale bars: 0.5 mm. All figured otoliths are kept in the Bavarian State Collection (collection number SNSB-BSPG 2020 LIV).
FIGURE 3 in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 3 Otoliths (mesial view) of the species of the Gobius auratus complex, i.e. G. auratus (a: Selce, 6l; b: Selce, 5l; c: Krk, 2r mirrored), G. couchi (d–f: Krk, 2l, 3r mirrored, 1l), G. fallax (g, h: Unije Island, 2r mirrored, 1l), G. gasteveni (i, j: Galicia, 1l, 1r mirrored) and G. kolombatovici (k, l: Krk, 1l, 2l). Numbers following the localities refer to the fish specimen from which the otolith was extracted; l, left otolith; r, right otolith, mirrored for better comparison. SL denotes the standard length (in mm) of the corresponding fish specimen. Scale bars: 0.5 mm. All figured otoliths are kept in the Bavarian State Collection (collection number SNSB-BSPG 2020 LIV).
FIGURE 2 in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 2 Plots of the discriminant function scores derived from the different arrays of variables (as indicated in the figure) of the studied species of Gobius (a–c) and Pomatoschistus (d–f). The reduced datasets for Gobius and Pomatoschistus were used for this analysis. LD1, 2, linear discriminant functions 1 and 2. See tables 3 and 5 for details and values.
FIGURE 1 a–b in Identification of past and present gobies: distinguishing Gobius and Pomatoschistus (Teleostei: Gobioidei) species using characters of otoliths, meristics and body morphometry
FIGURE 1 a–b, Schematic drawing of a goby skeleton depicting the standard morphometric (1a) and meristic (1b) characters used in this study; c–d, Schematic drawing (c) and SEM image (d) of a right goby otolith (based on G. bucchichi) showing the measured distances and areas (after Gierl et al., 2018) and the established otolith terminology. Colors in a: red, horizontal measurements; blue, measurements along fin bases; green vertical measurements. Abbreviations: (a) Ab, length of anal fin base; B, body depth at origin of first dorsal fin; CP, length of caudal peduncle; D2b, length of second dorsal fin base; D2C, distance between end of second dorsal fin and first dorsal (procurrent) ray of caudal fin; SL, standard length (from snout to begin of caudal fin); SN/A, distance from snout to origin of anal fin; SN/D1, distance from snout to origin of first dorsal fin; SN/D2, distance from snout to origin of second dorsal fin; TL, total length; (b) AbVert, abdominal vertebrae; AP, anal fin pterygiophores inserting in front of haemal spine of first caudal vertebra; Arays, rays of anal fin; CaudVert, caudal vertebrae; D2rays, rays of second dorsal fin; DProCur, dorsal procurrent rays; VProCur, ventral procurrent rays; (c) OA, otolith area; OH, otolith height; OL, otolith length; OP, otolith perimeter; SuA, sulcus area; SuH, sulcus height; SuL, sulcus length; SuP, sulcus perimeter; SuEndV, vertical distance from posterior end of sulcus to ventral margin of otolith; SuTipV, vertical distance from anterior end of sulcus to ventral margin of otolith.
Microsatellite genotypes of Pomatoschistus microps and Pomatoschistus marmoratus of southern France lagoons
<p><i>Pomatoschistus marmoratus </i>and <i>Pomatoschistus microps</i> are small sedentary gobies inhabiting the lagoons of European Mediterranean and Atlantic coasts. Along the French Mediterranean coast their respective geographical distribution is not precisely known, in part because they are cryptic species. In this study, 512 gobies of both species were caught as 17 samples in 12 lagoons of the <i>Golfe du Lion</i> on the French Mediterranean coast. They were genotyped at six microsatellite loci and investigated statistically using multidimensional analyses, Bayesian assignment (<span>Structure</span>) and <span>Newhybrids</span> classification. This allowed us to describe the contrasted distribution of each species (<i>P. microps</i> in the east, <i>P. marmoratus</i> in the west), with several exceptions. Neither geographic structure nor isolation by distance was detected among differentiated populations of each species. The suggested mechanism is a deep sedentary behaviour associated with foundations following extinctions. The two species are sympatric or even in syntopy in 5 or 6 sampled lagoons producing rare fertile hybrids.</p>
Fig. 1 Rearing tanks. a 15-l in The marbled goby, Pomatoschistus marmoratus, as a promising species for experimental evolution studies
Fig. 1 Rearing tanks. a 15-l tanks with closed bottom in which larvae were maintained during the first 25 dph. b 15-l tanks, equipped with an open bottom covered with crinoline net. Larvae were transferred in these tanks at 100 dph. c 40-l tanks with sandy bottom in which larvae were maintained from 100 dph onward
Fig. 2 in The marbled goby, Pomatoschistus marmoratus, as a promising species for experimental evolution studies
Fig. 2 Total length (a) and survival probability (b) of the marbled goby larvae at successive dph. White bars represent a family selected for the blue spot on the male dorsal fin and reared at 18 °C; black bars represent a family selected for body size and reared at 18 °C; grey bars represent a family selected for body size and reared in captivity at 24 °C. The warmer line (24 °C) was lost between 130 and 160 dph. Each family has offspring from the same mother and two different fathers (double bars). Since survival and size remained almost constant after 160 dph successive measures between 160 and 360 dph are omitted and only the final values at 360 dph are reported. Error bars in a represent the standard error of the mean
Microsatellite genotypes of Pomatoschistus microps and Pomatoschistus marmoratus of southern France lagoons
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Fig. 3 in The marbled goby, Pomatoschistus marmoratus, as a promising species for experimental evolution studies
Fig. 3 Pictures of marbled gobies reared in captivity. Larvae at hatching (a), juvenile at 100 dph (b) and adult at 360 dph (c)
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