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47 results for “Discus”
FIGURE 4 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil
FIGURE 4. First epibranchial in ventral view (left side). (a) Microlepidogaster discus, paratype, DZSJRP 19493, 41.7 mm SL, male, showing the accessory process; (b) Microlepidogaster perforatus, DZSJRP 16171, 30.6 mm SL, female. Dark gray indicates cartilage. Scale bars = 0.5 mm.
FIGURE 2 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil
FIGURE 2. Lateral plates of Microlepidogaster discus, paratype, DZSJRP 19493, 41.7 mm SL, male, left side, showing the anterior plates of mid-ventral lateral series reduced, not ventrally elongated, with the first plate markedly round. Scale bar = 1 mm.
FIGURE 6 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil
FIGURE 6. Lip-folding behavior of Microlepidogaster discus: (a) relaxed state; (b) one side folded; (c, d) two sides partially folded; (e) two sides totally folded in the midline of mouth.
FIGURE 1. Microlepidogaster discus, DZSJRP 19101 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil
FIGURE 1. Microlepidogaster discus, DZSJRP 19101, holotype, male, 46.4 mm SL, Brazil, Minas Gerais State, tributary to rio Itacambiruçu, rio Jequitinhonha basin.
FIGURE 5 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil
FIGURE 5. Geographic distribution of Microlepidogaster discus, star indicates the type locality. Color of drainages: rio Jequitinhonha basin (red); rio São Francisco basin (blue); rio Paraná basin (green); other drainages (grey).
FIGURE 9. Kanakaster discus n. gen., n in Overview of the Ferdina - like Goniasteridae (Echinodermata: Asteroidea) including a new subfamily, three new genera and fourteen new species
FIGURE 9. Kanakaster discus n. gen., n. sp. Holotype, MNHN-IE- 2013 - 6897. Scale Bar = 2.0 mm. A. Abactinal surface. B. Details on abactinal surface showing plate shape, and distal superomarginals. C. Superomarginal plate surface detail. D. Granules and denuded abactinal plates showing glassy nodules. E. Oral surface. F. Actinal surface showing furrow spination and oral region.
FIGURE 3 in Description of Tylencholaimus discus sp. n. (Nematoda, Dorylaimida, Tylencholaimidae) from Iran
FIGURE 3. Tylencholaimus discus sp. n. (Female, SEM). A: Lip region, lateral view. B: Vulva, ventral view C: Lip region, ventral view. D: Anus and caudal region, ventral view. (Scale bars: 2 µm.)
FIGURE 2 in Description of Tylencholaimus discus sp. n. (Nematoda, Dorylaimida, Tylencholaimidae) from Iran
FIGURE 2. Tylencholaimus discus sp. n. (Female, LM). A: Entire. B, C: Anterior region in lateral, median view. D: Lateral body pores. E: Anterior region in lateral, surface view. F: Vagina. G: Pharyngo-intestinal junction. H, I: Genital system, in part. J, K: Caudal region. (Scale bars: A = 100 µm; B, C, E, F, K = 5 µm; D, G, H, J = 10 µm; I = 20.)
FIGURE 1 in Description of Tylencholaimus discus sp. n. (Nematoda, Dorylaimida, Tylencholaimidae) from Iran
FIGURE 1. Tylencholaimus discus sp. n. (Female). A, B: Entire. C, D: Anterior region in lateral, median view. E: Posterior body region. F: Pharyngo-intestinal junction. G: Anterior region in lateral, surface view. H, I. K: Genital system, in part. J: Caudal region. (Scale bars: A,B = 100 µm; C, D, G, J, K = 5 µm; E, H = 20 µm; F, I = 10.)
FIGURE 2 in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 2. Discus (Canaridiscus) laurisilvae sp. nov., dissected genital system; A, genital system unfolded, a connective tissue sheet covers the vas deferens locally at the atrium; B, details of the distal zone of the genital system, the tissue sheet at the vas deferens was partly removed; C, penis at early stage of dissection; D, detail of pedunculus and the oviduct; at, atrium; ag, albumen gland; bc, bursa copulatrix; hd, hermaphroditic duct; ov, free oviduct; p, penis; ped, pedunculus; rp, penis retractor muscle; spov, spermoviduct; t, talon; v, vagina; vd, vas deferens.
FIGURE 1. A in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 1. A, Discus (Canaridiscus) laurisilvae sp. nov., shell of the holotype; B, shell of Discus (Canaridiscus) saproxylophagus (Alonso, G. Holyoak & Yanes 2011); La Gomera, Bosque del Cedro, leg. M. Klemm, 17th February 1992; C, locus typicus of Discus laurisilvae sp. nov. near the chapel Ermita de Nuestra Señora de Lourdes; D, Discus laurisilvae sp. nov., umbilicus of a paratype (magnified); E, umbilicus of Discus saproxylophagus (magnified).
FIGURE 3 in Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)
FIGURE 3. Scatter plot of shell characters of D. laurisilvae sp. nov. and D. saproxylophagus. The different symbols represent measurement values of the variables umbiculus diameter (UD) and shell diameter (SDi).
Sealing. Oval sealing in terracotta showing a seated lion before an indistinct object (perhaps a discus shown on end); two line inscription below
<p>Sealing. Oval sealing in terracotta showing a seated lion before an indistinct object (perhaps a discus shown on end); two line inscription below. British Museum 2005,0814.2.</p>
Sealing. Circular sealing in terracotta with a two line inscription; above a discus. On the reverse a hooked device, possibly an elephant goad.
<p>Sealing. Circular sealing in terracotta with a two line inscription; above a discus. On the reverse a hooked device, possibly an elephant goad. British Museum 2005,0814.11.</p>
Sealing. Oval sealing in terracotta with three line inscription, discus above. Impression of string on the side and document at the top.
<p>Sealing. Oval sealing in terracotta with three line inscription, discus above. Impression of string on the side and document at the top. British Museum 2005,0814.9.</p>
FIG. 9. — A-F, Metaxia discus n in Triphoridae (Gastropoda) from Martinique sampled by the MADIBENTHOS expedition, with notes on shallow-water species from Guadeloupe
FIG. 9. — A-F, Metaxia discus n. sp. A, B, D, F, MNHN-IM-2000-38601, holotype, 3.2 mm; C, E, MNHN-IM-2000-38602, paratype, sta. AD245, 2.7 mm; G, H, Metaxia sp. 1 (morph named by Rolán & Fernández-Garcés [2008]), USNM 87301, 4.2 mm (vs 5.0 mm, according to Rolán & Fernández-Garcés [2008]); credits: Yolanda Villacampa (NMNH). Scale bars: A-C, G, 1 mm; D, E, 100 μm; F, H, 200 μm.
Clay sealing, with two trident banners flanked by shell and discus, inscription below.
<p>Clay sealing, with two trident banners flanked by shell and discus, inscription below.</p>
Fig. 7 in Ecology and life history of an Amazon floodplain cichlid: the discus fish Symphysodon (Perciformes: Cichlidae)
Fig. 7. Length vs. weight plots for Symphysodon haraldi specimens parasitized with the isopod gill parasite Braga cichlae, and unparasitized specimens. All specimens are from a single colony of discus in Uxi Bay, lago Amanã.
Fig. 4 in Ecology and life history of an Amazon floodplain cichlid: the discus fish Symphysodon (Perciformes: Cichlidae)
Fig. 4. (right column) Testes and ovaries of Symphysodon haraldi at advancing stages of gonadal development. Photographs are from freshly sacrificed and dissected specimens, with the gonads outlined for clarity. The following modified version of Nikolsky's scale of reproductive maturity was utilized: 0. (immature): gonads thin and transparent; sex determination not possible (not illustrated). 1. (early development or resting): testes thin and translucent; ovaries thin and translucent-pink with transparent eggs. 2. (maturing): testes translucent white; ovaries enlarged with white eggs. 3. (mature): testes thick and white; ovaries enlarged with largest eggs yellow. 4. (pre-spawning): testes swollen and sperm-positor everted; ovaries swollen with largest eggs orange, swollen and approximately 1.4 mm in diameter, ovipositor everted. 5. (spent): testes flaccid; ovaries flac- cid with scattered eggs of various size classes (not illustrated).
Fig. 2 in Ecology and life history of an Amazon floodplain cichlid: the discus fish Symphysodon (Perciformes: Cichlidae)
Fig. 2. (a) Flood level and (b) electrical conductivity (EC) monitored in lago Amanã during the period 1995-1998. The timing of sampling in Uxi Bay is marked by A (1998) and B (1997). Dotted horizontal lines mark where shore-scrub (4m) and higher portions of blackwater igapó forest (10m) are inun- dated (Fig. 1). Dotted circles are speculated spawning events for the putative cohort groups 1a through 3 (refer to Fig. 8).
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