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16 results for “Distichodontidae”
FIGURE 6 Nannocharax usongo, MRAC 87-24-P-88, 34.0 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 6 Nannocharax usongo, MRAC 87-24-P-88, 34.0 mm SL, Nigeria, Sombreiro River at Ihuaba, Niger delta, preserved coloration in alcohol.
FIGURE 5 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 5. Holotype of Nannocharax usongo sp. nov. (ZSM 35732), 44.2 mm SL, Cameroon, Cross River at Mamfé, a. Photograph of holotype showing preserved coloration in alcohol, b. Illustration of, drawing by R. Kühbandner, c. Photograph of live specimen of N. usongo (Photo F. Herder).
FIGURE 1 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 1. Scatter plot of PCA of all specimens of PC II vs. PC III. (unsheared). red (cross) = N. zebra, pink (filled square) = N. usongo, blue (open square) = Nannocharax fasciatus, black (dots) = all remaining Nannocharax specimens, green (X) = Hemigrammocharax ocellicauda, except for specimens of the two new species of the Cross River and 1 (star) = N. zebra (MRAC 87-24-P-87), 2 = N. schoutedeni (MRAC P-39705), 3 = N. sp. (ZSM 29643), 4 = N. ansorgii (ZSM 26905), 5+6 = H. ocellicauda (ZSM 34224), 7 = N. latifasciatus (ZSM 22983), 8 = N. taenia (MRAC P-1283) and 9 (star) = N. usongo (MRAC 87-24-P-88).
FIGURE 4. Nannocharax zebra, MRAC 87-24-P-87, 40.7 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 4. Nannocharax zebra, MRAC 87-24-P-87, 40.7 mm SL, Nigeria, Sombreiro River at Odieke, showing preserved coloration in alcohol.
FIGURE 3 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 3. Holotype of Nannocharax zebra (ZSM 35730), 29.1 mm SL, Cameroon, Cross River at Mamfé, a. Photograph of holotype showing preserved coloration in alcohol, b. Illustration of holotype, drawing by R. Kühbandner.
FIGURE 2 in Description of two new species of Nannocharax Günther, 1867 (Teleostei: Characiformes: Distichodontidae) from the Cross River, Cameroon
FIGURE 2. Plot of sheared PC II morphometric data vs. PC I meristic data shown as 95% confidence interval as ellipses. Red (cross) = N. zebra, pink (filled square) = N usongo, blue (open square) = remainig Nannocharax, black (dots) = five specimens, which clustering close with N. zebra: 1= N. zebra (MRAC 87-24-P-87), 2 = N. schoutedeni (ZSM 18926), 3 = N. schoutedeni (MRAC P-39705), 4 = N. cf. schoutedeni (ZSM 35332) and 5 = N. procatopus (ZSM 30030); 1 red (cross) = N. zebra (MRAC 88-53-P-129-153) (River Badi), 2 red (cross) = N. zebra (ZSM 35731); 1 pink (filled square) = N. usongo (MRAC 88-53-P-116-128) (River Badi); 1 blue (open square) = N. taenia (MRAC P-1283), 2 blue (open square) = N. gobioides (MRAC 141442), 3 blue (open square) = N. ogoensis (ZSM 27101), 4 blue (open square) = N. fasciatus (ZSM 27426) and 5 blue (open square) = N. intermedius (ZSM 30033).
Figure 5 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 5. Distribution map of Distichodus antonii and Distichodus langi based on the specimens identified at the AMNH and MRAC. Note: Distichodus antonii: () holotype and (●) other specimens; D. langi: (*) lectotype and (*) specimen.
Figure 2 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 2. Scatterplot of principal component (PC) II against PCIII for a principal components analysis carried out on 25 log-transformed measurements. Note: Distichodus antonii: (♦) holotype, (◊) other specimens and (–) misidentified syntypes of Distichodus fasciolatus; Distichodus atroventralis complex: (▲) syntypes of D. atroventralis and (∆) additional specimens; D. fasciolatus: (■) lectotype, (□) other specimens and (●) misidentified Distichodus langi specimen; D. langi: (× +) holotype and (+) additional specimen.
Figure 8 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 8. Distichodus langi (MRAC 2878) from Avakubi (DRC), 300.0 mm SL. (A) Lateral view; (B) Detail of the colour pattern on the adipose fin.
Figure 7 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 7. Distribution map of Distichodus fasciolatus based on the specimens identified at the AMNH and MRAC. () lectotype and (●) other specimens.
Figure 4 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 4. Distichodus antonii (B0-021-P-0873-0874) from the Loboya River, affluent of the Maiko River, Upper Congo (DRC), 89.4 mm SL. (A) Lateral view; (B) Detail of the colour pattern on the adipose fin.
Figure 1 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 1. Scatterplot of principal component (PC) I against PCII for a principal components analysis carried out on eight meristics. Note: Distichodus antonii: (♦) holotype, (◊) other specimens and (–) misidentified syntypes of Distichodus fasciolatus; Distichodus atroventralis complex: (▲) syntype D. atroventralis and (∆) other specimens; D. fasciolatus: (■) lectotype, (□) other specimens and (●) misidentified Distichodus langi specimen; D. langi: (× +) holotype and (+) additional specimen.
Figure 3 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 3. Illustrations of type specimens of the Distichodus antonii assemblage. (A) Holotype of D. antonii (BMNH 1899.9.6.10), 103.3 mm SL; (B) Lectotype of Distichodus fasciolatus (MRAC 23), 278.2 mm SL; (C) Holotype of Distichodus langi (AMNH 5915), 364 mm SL. Picture taken by M.L.J. Stiassny (AMNH); (D) Syntype of Distichodus atroventralis (BMNH 1891.12.29.13), 63.5 mm SL.
Figure 9 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 9. Scatterplots of HL (mm) against head depth (% HL) for specimens identified as Distichodus mossambicus from: (○) Lower Congo; (●) Kasai and (■) Zambezi.
Supplementary material 1 from: Simanovsky SA, Medvedev DA, Tefera F, Golubtsov AS (2023) Divergent karyotypes in five genera of the African endemic fish family Distichodontidae (Cithariniformes, Osteichthyes). Comparative Cytogenetics 17: 251-262. https://doi.org/10.3897/compcytogen.17.107744
Supporting information
Figure 6 in A review of the Distichodus antonii assemblage (Characiformes: Distichodontidae) from the Congo basin
Figure 6. Distichodus fasciolatus (A7-014-P-0009-0018) from Pool Malebo (DRC), 100.9 mm SL. (A) Lateral view. (B) Detail of the colour pattern on the adipose fin.
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