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139 results for “Hypoptopomatinae”
Fig. 2 in A new species of Acestridium Haseman, 1911 (Loricariidae: Hypoptopomatinae) from the Eastern Amazon basin, Brazil
Fig. 2. Spatulate projection of snout. A. Acestridium triplax; B. Acestridium dichromum. RP: rostral plates. Scale: 1 mm.
Fig. 5. Parotocinclus bidentatus, holotype MNRJ 27962, 34.8 in Two new species of Hypoptopomatinae from the rio Paraíba do Sul basin, with comments on the monophyly of Parotocinclus and the Otothyrini (Siluriformes: Loricariidae)
Fig. 5. Parotocinclus bidentatus, holotype MNRJ 27962, 34.8 mm SL. Brazil: Rio de Janeiro State: rio Pirapetinga (left bank tributary of rio Paraíba do Sul), Resende.
Fig. 6 in Two new species of Hypoptopomatinae from the rio Paraíba do Sul basin, with comments on the monophyly of Parotocinclus and the Otothyrini (Siluriformes: Loricariidae)
Fig. 6. Paraíba do Sul drainage illustrating collecting localities of Parotocinclus bidentatus (circles, type locality on the left) and P. muriaensis (squares). Each symbol may present more than one sample or locality.
Figure 9 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 9 - Phenogram constructed using Neighbor-Joining (NJ) method, based on the COI gene (581 pb). Numbers above branches are bootstrap values obtained from 1,000 pseudoreplicates. Values below 90% are not shown.
Figure 7 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 7 - a Map of the distribution of Hisonotus acuen. Red star = holotype locality, affluent of rio Toguro. Red circles = paratype localities, affluent of rio Culuene, affluent of rio Suiá-Missu, affluent of rio Feio, córrego Xavante, rio Coronel Vanick. All are tributaries of rio Xingu, Mato Grosso State, Brazil b Affluent of rio Feio, municipality of Querência, 12°33'20"S, 52°16'16"W, habitat where the specimens of Hisonotus acuen were found. Photo: M. Taylor.
Figure 8 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 8 - Scatter plot of Principal Component Analysis (PCA) of six allopatric populations of Hisonotus acuen (n = 83) indicating the presence of continuous external morphology variation. Purple circle = affluent of rio Toguro; Red cross = affluent of rio Culuene; Dark blue star = affluent of rio Suiá-Missu; Blue square = affluent of rio Feio; Yellow triangle = córrego Xavante; Green diamonds = rio Coronel Vanick. All are tributaries of rio Xingu, Mato Grosso State in Brazil.
Figure 6 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 6 - Hisonotus acuen, LBP 16284, live specimen, from affluent of rio Toguro, Querência, Mato Grosso State, Brazil. Photo: M. Taylor.
Figure 5 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 5 - Variation in external morphology and coloration of Hisonotus acuen: a, b LBP 16279, 26.86 mm SL, affluent of rio Culuene, municipality of Gaúcha do Norte c, d MZUSP 115350, 25.9 mm SL, holotype, affluent of rio Toguro, municipality of Querência e (f) LBP16275, 21.67 mm SL, affluent of rio Feio, municipality of Querência.
Figure 4 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 4 - Hisonotus acuen, paratype, LBP 16278, 27.1 mm SL a Ventral view of abdominal figs b Cranial bones and dermal figs of the head in dorsal view. Scale bars: 1 mm.
Figure 3 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 3 - a Hisonotus acuen, holotype, MZUSP 115350, 25.9 mm SL, showing the yellowish-tipped teeth b Hisonotus chromodontus, NUP 10924, 29.7 mm SL, showing the reddish-brown teeth c Hisonotus acuen, holotype, MZUSP 115350, 25.9 mm SL, showing the caudal-fin color pattern mostly hyaline, except for dark blotch on origin of rays, and dark brown chromatophores largely concentrated on rays near lower caudal spine d Hisonotus chromodontus, LBP7964, 27.3 mm SL, showing caudal-fin dark brown with chromatophores largely concentrated on rays and membranes, and with two hyaline spots on middle of the fin.
Figure 2 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 2 - Spinelet variation among Hisonotus species. Figure a-f showing the extension of the bone forming a lock mechanism. In figure g–h, the bones lack the lock mechanism: a Hisonotus acuen, LBP 16276, 21.4 mm SL b Hisonotus acuen, LBP 16274, 21.1 mm SL c Hisonotus oliveirai LBP 13332, 23.7 mm SL d Hisonotus chromodontus, LBP 7964, 28.3 mm SL e Hisonotus piracanjuba, LBP 17256, 27.1 mm SL f Hisonotus paresis, NUP 10928, 23.6 mm SL g Hisonotus cf. notatus, LBP 3472, 25.8 mm SL h Hisonotus depressicauda, LBP 17474, 28.1 mm SL. Scale bar = 0.5 mm.
Figure 1 from: da Costa e Silva G, Roxo F, Oliveira C (2014) Hisonotus acuen, a new and phenotypically variable cascudinho (Siluriformes, Loricariidae, Hypoptopomatinae) from the upper rio Xingu basin, Brazil. ZooKeys 442: 105-125. https://doi.org/10.3897/zookeys.442.7870
Figure 1 - Hisonotus acuen, MZUSP 115350, female, 25.9 mm SL, holotype, from Mato Grosso State, municipality of Querência, affluent of rio Toguro, rio Xingu basin, 13°00'26"S, 52°11'27"W.
FIGURE 5 in A new species of Microlepidogaster (Loricariidae: Hypoptopomatinae) from rio Pardo, a coastal drainage in eastern Brazil
FIGURE 5. Lateral plates of Microlepidogaster roseae, paratype, MZUEL 21730, 33.4 mm SL, female. Scale bar = 1 mm.
Figure 16 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 16. Nasal capsule in dorsal view. A, completely closed, Neoplecostomus microps, DZSJRP 2144, 62.8 mm standard length (SL), female. B, completely closed, Gymnotocinclus anosteos, UFRGS 11296, 43.7 mm SL, male. C, partially closed, Schizolecis guntheri, DZSJRP 6525, 32.9 mm SL. D, partially closed, Otothyropsis sp. nov., DZSJRP 2907. Arrows show exposed lateral ethmoid (A), and the lateral ethmoid surrounding less than 50% of nasal capsule (D). Abbreviations: IO2, infraorbital 2; LE, lateral ethmoid; LNP, lateronasal plate; N, nasal. Scale bars = 1 mm.
Figure 10 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 10. Suspensorium, lateral view (left side). A, Neoplecostomus microps, DZSJRP 2768, unmeasured, sex undetermined. B, Isbrueckerichthys duseni, DZSJRP 13670, 48.3 mm standard length (SL), sex undetermined. C, Rhinolekos schaeferi, DZSJRP 12192, 36.5 mm SL, sex undetermined. D, Otocinclus affinis, DZSJRP 7610, 31.5 mm SL, sex undetermined. E, Pseudotothyris obtusa, MCP 31726, 24.2 mm SL, female. F, Pseudotothyris ignota sp. nov., UFRGS 9057, 32.0 mm SL, female. G, Schizolecis guntheri, DZSJRP 6525, 32.9 mm SL, male. H, Otothyris travassosi, MNRJ 22947, 22.3 mm SL, female. Arrows show the metapterygoid channel and levator arcus palatine crest (A, B, C, D), and metapterygoid−hyomandibula suture (E, F). Abbreviations: AA, compound anguloarticular; CP1, 2, canal-bearing plate 1, 2; D, dentary; HM, hyomandibula; MPT, metapterygoid; OP, opercle; PAL, palatine; PMX, premaxilla; POP, preopercle; Q, quadrate. Scale bars = 1 mm.
Figure 4 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 4. Infraorbital series, lateral view (left side). A, Isbrueckerichthys duseni, DZSJRP 13670, 48.3 mm standard length (SL), sex undetermined. B, Pseudotothyris obtusa, MCP 31726, 24.2 mm SL, female. C, Otothyris lophophanes, MNRJ 22985, 20.0 mm SL, female. D, Microlepidogaster sp. nov., MZUSP 95291, 38.1 mm SL, female. E, Gymnotocinclus anosteos, UFRGS 11296, 43.7 mm SL, male. Abbreviations: IO1−6, infraorbitals 1–6; LN, lateronasal plate. Scale bars = 1 mm.
Figure 5 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 5. Mesethmoid in ventral view. A, Otothyris rostrata, MCN 18943, 23.6 mm standard length (SL), male. B, Pseudotothyris obtusa, MCP 31726, 24.2 mm SL, female. C, Otocinclus affinis, DZSJRP 7610, 31.5 mm SL. D, Rhinolekos britskii, DZSJRP 6983, 36.0 mm SL, female. E, Pareiorhina rudolphi, DZSJRP 13713, unmeasured, sex undetermined. F, Hisonotus notatus, DZSJRP 13852, 31.5 mm SL, female. G, Neoplecostomus microps, DZSJRP 2768, unmeasured, sex undetermined. H, Isbrueckerichthys duseni, DZSJRP 13670, 48.3 mm SL, sex undetermined. Arrows showing the cartilaginous process (D), and process anterior to the condyle (F). Scale bars = 1 mm.
Figure 9 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 9. Scanning electron micrographs of ceratobranchial 5 and upper pharyngeal toothplate. A, Pseudotothyris ignota sp. nov., MCP 20030, 24.9 mm standard length (SL), female. B, Pseudotothyris janeirensis, MZUSP 80211, 24.9 mm SL, female. C, Pseudotothyris obtusa, MZUSP 101333, 24.0 mm SL, male.
Figure 23 in Systematics of Pseudotothyris (Loricariidae: Hypoptopomatinae)
Figure 23. Pectoral girdle in ventral view. A, Kronichthys heylandi, DZSJRP 12498, 49.4 mm standard length (SL), male. B, Plesioptopoma curvidens, DZSJRP 16133, 51.4 mm SL, female. C, Rhinolekos britskii, DZSJRP 6983, 36.0 mm SL, female. D, Pseudotocinclus tietensis, LBP 2964, 53.3 mm SL, female. Scale bars = 1 mm.
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