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23 results for “Curculionichthys”
FIGURE 1. Curculionichthys karipuna, MZUSP 120190 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 1. Curculionichthys karipuna, MZUSP 120190, holotype, female, 23.7 mm SL, Brazil, Amapá State, municipality of Oiapoque, rio Cassiporé, stream at road BR- 156 at Campo Alegre farm.
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 mm SL. A) Spinelet shape; B) Ventral view of abdominal plates; Neurocranium in C) dorsal and D) dorsolateral views. Abbreviations are: cpt = compound pterotic; f = frontal; io 1 - 5 = infraorbitals; n = nasal; op = opercle; pr 1 - 5 postrostral plates; pf = prefrontal; pn = prenasal; pop = preopercle; r = rostral plate; sp = sphenotic; cp 1 - 2 = subocular cheek plate; soc = parieto-supraoccipital; spop = supraopercular plate. Scale bars: 0.5 mm (A); 1 mm (B, C, D).
FIGURE 3. A in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 3. A) Curculionichthys sabaji, MZUSP 117379, holotype, 23.3 mm SL, with dark-brown spots over the body; B) Curculionichthys paresi, MZUSP 115062, holotype, 26.2 mm SL, with contrasting dark spots at the anterodorsal region of body; C) Curculionichthys karipuna, MZUSP 120190, holotype, 23.7 mm SL, lacking the pigmentation patterns as described above. The arrows in the figure indicate the presence of a dark blotch of pigmentation covering the caudal peduncle that extends onto median caudal-fin rays.
FIGURE 6 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 6. Northern South America showing the distribution of Curculionichthys karipuna. Star = rio Cassiporé, type locality; circle = rio Jari, locality of non-type specimens.
FIGURE 4. A in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 4. A) Curculionichthys insperatus, LBP 20130, 25.2 mm SL, with well-developed papillae aligned in series that extends from the distal portion of lower lip to dentary; B) Curculionichthys karipuna, MZUSP 120190, holotype, 23.7 mm SL, with papillae randomly distributed throughout the lower lip.
FIGURE 7 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 7. Habitats of Curculionichthys karipuna. A) Type locality, stream at road BR-156 at Campo Alegre farm, tributary of rio Cassiporé, Atlantic coastal river; B) locality of non-type specimens, unnamed tributary of rio Jari of the Amazon basin.
FIGURE 2. A in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 2. A) Curculionichthys karipuna, MZUSP 120190, 23.7 mm SL, holotype, showing the diagnostic character of irregular concentration of chromatophores covering the anal-fin origin and adjacent region along with the distal portions of the first unbranched anal-fin ray. B) Curculionichthys sagarana, MZUSP 117381, 23.7 mm SL, holotype, showing the absence of that pigmentation on the anal-fin origin.
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 5. Curculionichthys karipuna, LBP 19017, 29.0 mm SL. A) Spinelet shape; B) Ventral view of abdominal plates; Neurocranium in C) dorsal and D) dorsolateral views. Abbreviations are: cpt = compound pterotic; f = frontal; io1-5 = infraorbitals; n = nasal; op = opercle; pr1-5 postrostral plates; pf = prefrontal; pn = prenasal; pop = preopercle; r = rostral plate; sp = sphenotic; cp1-2 = subocular cheek plate; soc = parieto-supraoccipital; spop = supraopercular plate. Scale bars: 0.5 mm (A); 1 mm (B, C, D).
FIGURE 6 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 6. Northern South America showing the distribution of Curculionichthys karipuna. Star = rio Cassiporé, type locality; circle = rio Jari, locality of non-type specimens.
FIGURE 1. Curculionichthys karipuna, MZUSP 120190 in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 1. Curculionichthys karipuna, MZUSP 120190, holotype, female, 23.7 mm SL, Brazil, Amapá State, municipality of Oiapoque, rio Cassiporé, stream at road BR-156 at Campo Alegre farm.
FIGURE 3. A in New species of Curculionichthys (Siluriformes: Loricariidae) from the eastern Guiana Shield
FIGURE 3. A) Curculionichthys sabaji, MZUSP 117379, holotype, 23.3 mm SL, with dark-brown spots over the body; B) Curculionichthys paresi, MZUSP 115062, holotype, 26.2 mm SL, with contrasting dark spots at the anterodorsal region of body; C) Curculionichthys karipuna, MZUSP 120190, holotype, 23.7 mm SL, lacking the pigmentation patterns as described above. The arrows in the figure indicate the presence of a dark blotch of pigmentation covering the caudal peduncle that extends onto median caudal-fin rays.
FIGURE 4. Curculionichthys itaim, MZUSP 123011 in Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil
FIGURE 4. Curculionichthys itaim, MZUSP 123011, holotype, 22.3 mm SL, state of Pará, municipality of Itaituba, Igarapé Nambuaí, rio Tapajós basin. Dorsal, lateral and ventral views.
FIGURE 1. Curculionichthys tukana, MZUSP 123010, 23.4 in Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil
FIGURE 1. Curculionichthys tukana, MZUSP 123010, 23.4 mm SL, holotype, Brazil, state of Maranhão, municipality of Estreito, ribeirão Bofe, rio Tocantins basin. Dorsal, lateral and ventral views.
FIGURE 3 in Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil
FIGURE 3. Map of north South America showing the distribution of Curculionichthys itaim—Red Diamond = type locality at Igarapé Nambuaí, municipality of Itaituba, state of Pará, Black Circles = paratypes specimens; and Curculionichthys tukana— Red Star = type locality at ribeirão Bofe, municipality of Estreito, state of Maranhão, Black Square = paratypes and non-type specimens. The green color in the map shows the rio Tapajós basin and the purple color the rio Tocantins-Araguaia basin.
FIGURE 2. Curculionichthys tukana, LBP 22288, 27.8 in Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil
FIGURE 2. Curculionichthys tukana, LBP 22288, 27.8 mm SL. A) Ventral view of abdominal plates; B) Spinelet shape. Cranial bones and dermal plates of the head in C) dorsal and D) dorsolateral views. Abbreviations are: cpt = compound pterotic; f = frontal; io1–4 = infraorbitals; pr1–4 postrostral plates; n = nasal; op = opercle; pf = prefrontal; pop = preopercle; pn = prenasal; r = rostral plate; cp1–2 = subocular cheek plate; sp = sphenotic; soc = parieto-supraoccipital; spop = supraopercular plate. Scale bars: 0.5 mm (B); 1 mm (A, C, D).
FIGURE 5. Curculionichthys itaim, LBP 14102, 21.5 in Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil
FIGURE 5. Curculionichthys itaim, LBP 14102, 21.5 mm SL. A) Ventral view showing intraspecific variation in abdominal plates; B) Shape of the spinelet. Neurocranium in C) dorsal and D) dorsolateral views. Abbreviations are: f = frontal; io1–4 = infraorbitals; cpt = compound pterotic; pr1–3 postrostral plates; op = opercle; pf = prefrontal; n = nasal; pn = prenasal; r = rostral plate; pop = preopercle; cp1–2 = subocular cheek plate; sp = sphenotic; soc = parieto-supraoccipital; spop = supraopercular plate. Scale bars: 0.5 mm (B); 1 mm (A, C, D).
Fig. 6 in A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin
Fig. 6. Schematic drawing of the ventral side of head and pectoral girdle of Curculionichthys species. a. C. hera, arrows point posteriorly directed canal plate and single rostral plate; b. C. scaius, arrows point mesially directed canal plate and double rostral plate.
Fig. 5 in A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin
Fig. 5. Type-locality of Curculionichthys hera, igarapé do Onça, tributary to rio Curuá-Una on road BR-163 between Belterra and Rurópolis, Belterra, Pará, Brazil.
Fig. 3 in A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin
Fig. 3. Snout and sexual dimorphism in size of nares of adults of Curculionichthys hera, MCP 51571, paratypes. a. male; b. female. Scale bars = 1 mm.
Fig. 4 in A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin
Fig. 4. Collecting localities of Curculionichthys hera in the rio Curuá-Una basin, on road BR-163 between Belterra and Rurópolis, Belterra, Pará, Brazil. Star represents type-locality.
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