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160 results for “Osteoglossomorpha”
Figure 4 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 4 - A Three superimposed electric organ discharge (EOD) waveform recordings of Cryptomyrus ogoouensis holotype CUMV 98155 (Macaulay Library #197475) recorded at 23.2 °C, head positivity upwards, X-axis = 1 millisecond, Y-axis tick marks indicate 20% of EOD peak-to-peak height; P0, P1, P2 mark the positive and negative excursions in the waveform, P0 highlighted by 20× amplification; red dots indicate onset of P0, onset of P1 and offset of P2, respectively B Power spectrum of EOD waveforms in A; red "+" symbols mark peak frequency and frequencies -3 dB below peak at 4300 Hz.
Figure 2 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 2 - Photographs of the collection localities of the three mormyrid specimens treated in this study. A Doumé falls on the Ogooué River, Ogooué-Lolo, Gabon, type locality of Cryptomyrus ogoouensis sp. n. during high water in May 2011 B same locality in low water, September 2014 C Nyanga River at confluence with Moukalaba River near collection site of holotype of Cryptomyrus ona sp. n., July 2001 D Collection site of Cryptomyrus ona specimen CUMV 98647 in Mabounié River, Ngounié Province, February 2012.
Figure 1 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 1 - Geographic location of collection sites for the three mormyrid specimens treated in this study. Red star = type locality of Cryptomyrus ogoouensis sp. n. at Doumé, Ogooué River; green star = type locality of Cryptomyrus ona sp. n. at the Moukalaba River; green circle = locality of second specimen of Cryptomyrus ona at the Mabounié River.
Figure 8 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 8 - Holotype of Cryptomyrus ona MNHN 2003-0425, male, 110 mm SL, Moukalaba River near confluence with Nyanga River, Nyanga Province, Gabon. Preserved specimen shown above radiograph and photo of specimen shortly after collection. Scale bar = 1 centimeter.
Figure 3 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 3 - Some mormyrid species used for morphological comparison in this study. A Ivindomyrus marchei female, 135 mm SL, CUMV 98172, tag no. JPS-1233, Sébé River, Ogooué-Lolo, Gabon B Ivindomyrus opdenboschi female, 160 mm SL, CUMV 96829, tag no. JPS-1057, Ivindo River at Loa Loa, Ogooué-Ivindo, Gabon C Boulengeromyrus knoepffleri juvenile 107 mm SL, CUMV 96838, tag no. JPS-1055, Ivindo River at Loa Loa, Ogooué-Ivindo, Gabon D Marcusenius moorii female, 147 mm SL, CUMV 96836, tag no. JPS-1110, Ogooué River at Franceville, Haut-Ogooué, Gabon E Paramormyrops sp. (undescribed species) female, 100 mm SL, CUMV 98119, tag no. JPS-1148, Moumba Creek, Ogooué-Lolo, Gabon F Stomatorhinus walkeri female 95 mm SL, CUMV 80227, tag no. 2814, Diengui Creek, Moyen-Ogooué, Gabon G Hippopotamyrus castor female, 122 mm SL, CUMV 89955, tag no. 6018, Sanaga River at Nachtigal Falls, Centre, Cameroon H Cyphomyrus psittacus female, 109 mm SL, CUMV 96767, tag no. JPS-0438, Congo River at Yangambi, Orientale, D.R. Congo.
Figure 7 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 7 - Holotype of Cryptomyrus ogoouensis CUMV 98155, female, 112 mm SL, Ogooué River at Doumé falls, Ogooué-Lolo Province, Gabon. Left and right views of preserved whole specimen and radiograph shown below photo of specimen immediately post-mortem. Scale bar = 1 centimeter.
Figure 5 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 5 - Maximum likelihood phylogenetic tree calculated in RAxML for 46 mormyrin specimens based on DNA sequences from mitochondrial cytochrome b, 12S, 16S and nuclear rag2 and S7 intron, rooted with Myomyrus macrops. Bootstrap support values at nodes. Some clades collapsed for simplicity. Position of new taxa (magenta) within the "Lower Guinea Clade" (green) and distance from Hippopotamyrus castor, type species of genus Hippopotamyrus (red), highlighted.
Supplementary material 3 from: Sullivan JP, Hopkins CD, Pirro S, Peterson R, Chakona A, Mutizwa TI, Mukweze Mulelenu C, Alqahtani FH, Vreven E, Dillman CB (2022) Mitogenome recovered from a 19 th Century holotype by shotgun sequencing supplies a generic name for an orphaned clade of African weakly electric fishes (Osteoglossomorpha, Mormyridae). ZooKeys 1129: 163-196. https://doi.org/10.3897/zookeys.1129.90287
Cyt b plus nuclear markers phylogenetic analysis
Supplementary material 2 from: Sullivan JP, Hopkins CD, Pirro S, Peterson R, Chakona A, Mutizwa TI, Mukweze Mulelenu C, Alqahtani FH, Vreven E, Dillman CB (2022) Mitogenome recovered from a 19 th Century holotype by shotgun sequencing supplies a generic name for an orphaned clade of African weakly electric fishes (Osteoglossomorpha, Mormyridae). ZooKeys 1129: 163-196. https://doi.org/10.3897/zookeys.1129.90287
Heteromormyrus pauciradiatus holotype NMW 22417 mitogenome reconstruction
Supplementary material 1 from: Sullivan JP, Hopkins CD, Pirro S, Peterson R, Chakona A, Mutizwa TI, Mukweze Mulelenu C, Alqahtani FH, Vreven E, Dillman CB (2022) Mitogenome recovered from a 19 th Century holotype by shotgun sequencing supplies a generic name for an orphaned clade of African weakly electric fishes (Osteoglossomorpha, Mormyridae). ZooKeys 1129: 163-196. https://doi.org/10.3897/zookeys.1129.90287
List of Heteromormyrus specimens examined and/or included in molecular analyses
Supplementary material 4 from: Sullivan JP, Hopkins CD, Pirro S, Peterson R, Chakona A, Mutizwa TI, Mukweze Mulelenu C, Alqahtani FH, Vreven E, Dillman CB (2022) Mitogenome recovered from a 19 th Century holotype by shotgun sequencing supplies a generic name for an orphaned clade of African weakly electric fishes (Osteoglossomorpha, Mormyridae). ZooKeys 1129: 163-196. https://doi.org/10.3897/zookeys.1129.90287
COI phylogenetic analysis
Figure 1. – Hyperopisus bebe. A in A histological study of the lingual molariform teeth in Hyperopisus bebe (Mormyridae; Osteoglossomorpha)
Figure 1. – Hyperopisus bebe. A: Dorsal view of the lingual tooth-plate showing the molariform teeth. The three lines indicate the sections of the jaw to obtain the four parts a, b, c and d. B: Axial ground section of a tooth (natural transmitted light). The pulp cavity (PC) is surrounded by a massive core of stratified dentine (De), overlaid by a thick apical cape of enameloid (En). C: Cross section of the basal part of a tooth showing the dentine (De) and the bone of attachment (Bo). The dentine wall shows some more or less sharp evaginations (arrowheads) in the pulp cavity (PC). D: Cross section showing a detail of the dentine layer (De) that looks gently laminated, and the parallel odontoblastic canalicles (arrowheads) that are orthogonal to the wall of the pulp cavity (PC). E: Axial section with a detail of the odontoblastic canalicles, some of which being penetrating (arrows) in the enameloid layer (En). F: Cross section with a detail of the tooth supporting bone that shows some osteocytes and their ramified processes (arrowheads). Scale bars: A = 2.5 mm; B, C = 500 μm; D = 100 μm; E = 50 μm; F = 25 μm.
Fig. 12 in A review of the systematic biology of fossil and living bony-tongue fishes, Osteoglossomorpha (Actinopterygii: Teleostei)
Fig. 12. Pantodontidae. Pantodon buchholzi (CU 87447). Scale bar = 2 cm.
Fig. 7 in A review of the systematic biology of fossil and living bony-tongue fishes, Osteoglossomorpha (Actinopterygii: Teleostei)
Fig. 7. Gymnarchidae. Gymnarchus niloticus (VIMS 22064). Scale bar = 2 cm.
Fig. 11 in A review of the systematic biology of fossil and living bony-tongue fishes, Osteoglossomorpha (Actinopterygii: Teleostei)
Fig. 11. †Singida jacksonoides (BMNH P63333, latex peel of holotype). Scale bar = 2 cm.
Figure 4 in Description of a new Eocene osteoglossid fish and additional information on †Singida jacksonoides Greenwood and Patterson, 1967 (Osteoglossomorpha), with an assessment of their phylogenetic relationships
Figure 4. †Singida jacksonoides. A, WM 241/96. B, WM 298/96. C, WM 480/96. Scale bars = 1 cm.
Figure 5 in Description of a new Eocene osteoglossid fish and additional information on †Singida jacksonoides Greenwood and Patterson, 1967 (Osteoglossomorpha), with an assessment of their phylogenetic relationships
Figure 5. Reconstruction of the head of †Singida jacksonoides, based predominantly on WM 218/96.
FIGURE 4 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 4. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) UERJ-PMB 2; b) UERJ-PMB 3; c) UERJ- PMB 4; d) UERJ-PMB 5. Bone is shown in white, and cartilage in black. Anterior faces left.
FIGURE 7 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 7. Caudal skeleton of Osteoglossum bicirrhosum. Specimens: a) UERJ-PMB 50; b) UERJ-PMB 51; c) UERJ- PMB 45; d) MZUSP 18175-02. Anterior faces left.
FIGURE 11 in Intraspecific variation of the caudal fin skeleton in Osteoglossum bicirrhosum Cuvier 1829 (Teleostei: Osteoglossomorpha: Osteoglossidae)
FIGURE 11. Caudal skeleton of Arapaima gigas: a) INPA uncatalogued specimen; b) UERJ-PMB 128; caudal skeleton of Osteoglossum bicirrhosum: c) UERJ-PMB 100. Anterior faces left.
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