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88 results for “Rhamphichthyidae”
FIGURE 60 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 60 | Detail of the head of Rhamphichthys rostratus, holotype of Rhamphichthys schomburgki MNHN 3958, 700 mm LEA, Demerara, Guyana.
FIGURE 43 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 43 | Detail of the head of Rhamphichthys marmoratus, holotype of Rhamphichthys atlanticus, MZUSP 43612, 690 LEA, lago Viana tributary to Pindare-Mearim system, Maranhão, Brazil.
FIGURE 19 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 19 | Rhamphichthys hahni, holotype of Sternarchorhamphus hahni, ZMB 31367, 253 mm LEA, Río Paraná near Corrientes, Corrientes, Argentina.
FIGURE 18 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 18 | Scatter plots of PC1 vs. PC2 of morphometric data of populations of Rhamphichthys drepanium and R. hahni. Red = Rhamphicthhys hahni; blue = R. drepanium (Amazon) and gray = R. drepanium (Orinoco).
FIGURE 17 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 17 | Distribution of Rhamphichthys drepanium based on examined museum specimens. Red dot represents the type-locality.
FIGURE 16 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 16 | Posterior gas bladder in lateral view of A. Rhamphichthys drepanium, female, ANSP 128327. B. Rhamphichthys drepanium, female, ANSP 166557. C. Rhamphichthys drepanium, not sexed, ANSP 165186. D. Rhamphichthys hahni, not sexed, MACN 5983, 410 mm LEA. Anterior portion towards left. Scale bars = 10 mm.
FIGURE 8 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 8 | Distribution of Rhamphichthys apurensis based on examined museum specimens. Red dot represents the approximate type-locality.
FIGURE 11 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 11 | Rhamphichthys drepanium, INPA 17682, 375 mm LEA, confluence of rio Negro and rio Solimões at Costa do Catalão, Amazonas, Brazil.
FIGURE 10 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 10 | Detail of the head of holotype of Rhamphichthys drepanium, MZUSP 6893, 372 mm LEA, lago Janauari at confluence of rio Negro and rio Solimões, Amazonas, Brazil.
FIGURE 14 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 14 | Detail of the head of Rhamphichthys drepanium, FMNH 102111, LEA not measured, Río Suripa between pumping station of Hato Mercedes and mouth in Río Anaro, Barinas, Venezuela.
FIGURE 15 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 15 | Coloration pattern of the dorsum in Rhamphichthys. A. Rhamphichthys aprurensis, ANSP 162300, 390 mm LEA. B. Rhamphichthys drepanium, ANSP 181071, 313 mm LEA. C. Rhamphichthys hahni, FMNH108548, 370 mm LEA. D. Rhamphichthys lineatus, FMNH 114685, 290 mm LEA. E. Rhamphichhtys marmoratus MCP 39982, 320 mm LEA. F. Rhamphichthys rostratus, ANSP 187120, 520 mm LEA. G. Rhamphichthys heleios, INPA 42308, 335 mm LEA. Anterior portion towards right.
FIGURE 2 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 2 | Map showing the geographic distribution of Rhamphichthys in South America based on museum examined lots.
FIGURE 6 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 6 | Rhamphichthys apurensis, ANSP 160251, 248 mm LEA, Río Guariquito at confluence of Río Orinoco, Bolívar, Venezuela.
FIGURE 13 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 13 | Rhamphichthys drepanium, FMNH 102111, LEA not measured, Río Suripa between pumping station of Hato Mercedes and mouth in Río Anaro, Barinas, Venezuela.
FIGURE 1 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 1 | Early drawings of Rhamphichthys species. A. Seba's (1759) illustration of Rhamphichthys, later named by Linnaeus as Gymnotus rostratus (1766). B. Rhamphichthys marmoratus holotype from Castelnau (1855). C. Rhamphichthys rostratus from Bloch, Scheneider (1801), same specimen latter named as R. blochi by Kaup (1855). D. Rhamphichthys pantherinus holotype from Castelnau (1855). Drawings taken from the original publications and slightly modified to a clear white background.
FIGURE 5 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 5 | Detail of the head of Rhamphichthys apurensis, ANSP 166484, 390 mm LEA, Laguna Mamo at Nuevo Mamo, Anzoátegui, Venezuela.
FIGURE 9 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 9 | Holotype of Rhamphichthys drepanium, MZUSP 6893, 372 mm LEA, lago Janauari at confluence of rio Negro and rio Solimões, Amazonas, Brazil.
FIGURE 12 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 12 | Detail of the head of Rhamphichthys drepanium, INPA 17682, 375 mm LEA, confluence of rio Negro and rio Solimões at Costa do Catalão, Amazonas, Brazil.
FIGURE 7 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 7 | Coloration pattern of the lateral portion of body at about midlenght of LEA in Rhamphichthys. A. Rhamphichthys apurensis, ANSP 162300, 390 mm LEA. B. Rhamphichthys drepanium from Orinoco Basin, ANSP 181071, 320 mm LEA. C. Rhamphichthys drepanium, INPA 17682, 375 mm LEA. D. Rhamphichthys hahni, MZUSP 59297, 355 mm LEA. E. Rhamphichthys lineatus, MCP 26374, 340 mm LEA. F. Rhamphichhtys pantherinus, MCP 24814, 405 mm LEA. G. Rhamphichthys rostratus, ANSP 187120, 520 mm LEA. H. Rhamphichthys heleios, INPA 42308, 335 mm LEA. Anterior portion towards left.
FIGURE 4 in A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae)
FIGURE 4 | Rhamphichthys apurensis, ANSP 166484, 390 mm LEA, Laguna Mamo at Nuevo Mamo, Anzoátegui, Venezuela.
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