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752 results for “Nemacheilidae”
FIGURE 6 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)
FIGURE 6. Oxynoemacheilus zarzianus, from the top, FSJF 3352, paratype, male, 62 mm SL, stream Kunamasi; FSJF 3651, paratype, male, 73 mm SL; 60 mm SL; Iraq: stream Kunamasi; FSJF 3348, paratype, male, 60 mm SL; Iraq: stream in Merga; FSJF 3372, 55 mm SL, female; Iraq: stream Suraw.
FIGURE 1 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)
FIGURE 1. Maximum likelihood estimation of the phylogenetic relationships based on mitochondrial cytochrome b sequences (Tamura-Nei model, discrete Gamma distribution for rate differences with 3 categories +G parameter = 0.5515. Nucleotide positions with less than 98% site coverage were eliminated resulting in 971 analysed base pairs. Numbers of major nodes indicate bootstrap values from 500 pseudoreplicates from the ML, NJ and MP method. The tree is drawn to scale (except to outgroup), with branch lengths measured in number of substitutions per site.
FIGURE 4. Oxynoemacheilus zarzianus, FSJF 3352 in Oxynoemacheilus zarzianus, a new loach from the Lesser Zab River drainage in Iraqi Kurdistan (Teleostei: Nemacheilidae)
FIGURE 4. Oxynoemacheilus zarzianus, FSJF 3352, paratypes, 62 mm SL, 54 mm SL, 50 mm SL; 39 mm SL; Iraq: stream Kunamasi.
FIGURE 3 in A new Schistura from the Pearl River in Guangxi, China (Teleostei: Nemacheilidae)
FIGURE 3. Map of the Pearl River drainage; 1, West River; 2, North River; 3, East River. Symbol indicates the type locality of Schistura paraxena.
FIGURE 2 in A new Schistura from the Pearl River in Guangxi, China (Teleostei: Nemacheilidae)
FIGURE 2. Schistura paraxena, paratypes; Guangxi: Jinxiu; Changdonghe River; upper, KIZ 2005010290, 69.9 mm SL; lower, KIZ 2005010296, 66.0 mm SL.
FIGURE 1. Schistura paraxena, KIZ 2005010297 in A new Schistura from the Pearl River in Guangxi, China (Teleostei: Nemacheilidae)
FIGURE 1. Schistura paraxena, KIZ 2005010297, holotype, 70.3 mm SL; Guangxi: Jinxiu; Changdonghe River.
FIGURE 3. Schistura epixenos, CMK 22962 in Schistura epixenos, a new species of loach from the Nakai Plateau, Laos (Teleostei: Nemacheilidae)
FIGURE 3. Schistura epixenos, CMK 22962, paratypes; Laos: Nakai Plateau: Nam Kathang Gnai; a, 56.3 mm SL; b, 57.2 mm SL (right side, reversed); c, 57.0 mm SL (right side, reversed).
FIGURE 1 in Schistura epixenos, a new species of loach from the Nakai Plateau, Laos (Teleostei: Nemacheilidae)
FIGURE 1. Laos: Nakai Plateau, showing localities of Schistura epixenos (dots). T, type locality; 1, Mekong River; 2, Nam Theun River; 3, Xe Bangfai River; 4, Nam Kathang stream. Shown topography is prior to the construction of the Nakai dam; most of the Nakai Plateau is now inundated by the Nakai Reservoir. Many streams shown on the map are temporary.
FIGURE 2. Schistura epixenos, MHNG 2767.086 in Schistura epixenos, a new species of loach from the Nakai Plateau, Laos (Teleostei: Nemacheilidae)
FIGURE 2. Schistura epixenos, MHNG 2767.086, holotype, 59.5 mm SL; Laos: Nakai Plateau: Nam Kathang Gnai.
FIGURE 4. Schistura epixenos, CMK 22962 in Schistura epixenos, a new species of loach from the Nakai Plateau, Laos (Teleostei: Nemacheilidae)
FIGURE 4. Schistura epixenos, CMK 22962, paratypes; Laos: Nakai Plateau: Nam Kathang Gnai; a, 22.4 mm SL; b, 29.2 mm SL (right side, reversed).
FIGURE 2. A in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 2. A, Lateral; B, dorsal; and C, ventral views of the holotype of Schistura madhavai (2017.02.01.NH), 49.7 mm SL.
FIGURE 5 in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 5. Color pattern variation in Schistura madhavai: A, arrow indicating incomplete interspaces between post-dorsal bars (2017.03.01.NH, 55.3 mm SL); B, semi-adult with pre-dorsal bars (DZ3458D, 34.5 mm SL).
FIGURE 8. A in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 8. A, Nemacheilus notostigma, reproduced from Bleeker (1864: 5, pl. 1 fig. 2); B, Schistura notostigma (DZ 3462C, 35.3 mm SL), Sri Lanka, Kalu basin, Athwelthota; C, coloration in life of adult S. notostigma in natural habitat (~45 mm SL, not preserved), Sri Lanka, Attanagalu Oya basin, Wahareka.
FIGURE 1 in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 1. Schistura madhavai, color in life (DZ 3418C, 51.2 mm SL), Sri Lanka, Walawe River basin, Suriyakanda.
FIGURE 7 in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 7. Neighbor-joining (NJ) tree for the 16S rRNA gene fragment for selected species of Schistura using the K2P model (see Table 1 for list of material). The numbers on nodes represent the bootstrap values of the NJ tree. Nemacheilus corica is used as the outgroup. The scale bar represents 0.005 substitutions/changes.
FIGURE 4 in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 4. Left nostril of A, Schistura madhavai (2017.02.01.NH) and B, S. notostigma (WHT 30668). Scale bar 2 mm.
FIGURE 9. A in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 9. A, Schistura denisoni, 39.3 mm SL, India, Bhavani river on the Kerala-Tamil Nadu border and B, S. altipedunculata, 28.2 mm SL, India, Kali river, drying stream bed on road to Syntheri rocks. Courtesy of Rahul Kumar.
FIGURE 3 in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 3. Mouth of A, Schistura madhavai (2017.02.01.NH) and B, S. notostigma (DZ 3462). Scale bar 1 mm.
FIGURE 6. A in Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)
FIGURE 6. A, Habitat of Schistura madhavai: Suriyakanda, Sri Lanka; B, Distribution of S. madhavai (red) and S. notostigma (black) in Sri Lanka, based on material examined in this study.
Supplementary material 4 from: Luo T, Mao M-L, Lan C-T, Song L-X, Zhao X-R, Yu J, Wang X-L, Xiao N, Zhou J-J, Zhou J (2023) Four new hypogean species of the genus Triplophysa (Osteichthyes, Cypriniformes, Nemacheilidae) from Guizhou Province, Southwest China, based on molecular and morphological data. ZooKeys 1185: 43-81. https://doi.org/10.3897/zookeys.1185.105499
Comparison of the diagnostic features of the four new species described here with those selected for the 35 recognized hypogean species of the genus Triplophysa
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Allen Brain Atlas
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OpenNeuro
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