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52 results for “Physoschistura”
FIGURE 4 in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 4. Physoschistura walongensis, ZSI / APRC 1270, paratype, 50.1 mm SL; digestive tract. Scale bar = 1 mm.
Fig. 10. Physoschistura mango, TCWC 20683.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 10. Physoschistura mango, TCWC 20683.01, female, 19.0 mm SL, dissected C&S, Weberian apparatus and adjacent structures. A, Weberian apparatus, left side, lateral view; claustrum, scaphium, and supraneural 2 outlined by thin black line; B, Weberian apparatus, dorsal view; C, Weberian apparatus, ventral view; D, lateral line canal on body, right side (image reversed), lateral view; pores outlined by thin white dashed line; E, close up of anteriormost lateral line canal ossicle on body, right side (image reversed), lateral view; canal and pores outlined by thin white dashed line, canal ossicles outlined by solid grey line. Asterisk (*) indicates position of same pore in D and E. Abbreviations: AC, anterior chamber; Boc, basioccipital; C, claustrum; Exoc, exoccipital; LLC, lateral line canal ossicle; LP1, lateral process 1; LP2+Oos, bony capsule formed by lateral process 2+outer arm of Os suspensorium; NA3-6, neural arch 3–6; NS4–6, neural spine 4–6; PC, posterior chamber; R5–6, rib 5–6; S, scaphium; Scl, supracleithrum; SN2–3, supraneural 2–3; V3, vertebral centrum 3.
Fig. 7. Physoschistura mango, TCWC 20683.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 7. Physoschistura mango, TCWC 20683.01, swimbladder; A, dissected male, 23.4 mm SL, posterior chamber, ventral view, ventral body wall, digestive tract, and reproductive organs removed; B, dissected female, 19.0 mm SL, posterior chamber, ventral view, ventral body wall, digestive tract, and reproductive organs removed; C, dissected female C&S specimen, 19.0 mm SL, lateral view, showing swimbladder in relation to surrounding skeleton; D, same as C, ventral view. Dashed white line outlines posterior chamber (A) or anterior chamber and connecting duct (C, D). Abbreviations: AC, anterior chamber; Boc, basioccipital; Exoc, exoccipital; LP1, lateral process 1; LP2+Oos, bony capsule formed by lateral process 2+outer arm of Os suspensorium; NS4–5, neural spine 4–5; PC, posterior chamber; PF, pectoral fin; P-MR, proximal-middle radial; R5, fith rib; SN3, supraneural 3; V11, vertebral centrum 11.
Fig. 6. Physoschistura mango, TCWC 20683.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 6. Physoschistura mango, TCWC 20683.01, male, 21.7 mm SL, scanning electron micrographs of pectoral fin, right side, dorsal view; A, Elongate patches of tubercles on dorsal surface of fin associated with rays 2–4 (numbered); inset image shows low magnification overview of entire pectoral fin with area displayed in main image highlighted by white dashed rectangle; B, Higher magnification image of tubercles in smaller white dashed rectangle in A; C, High magnification image of tubercles shown in B. Double asterisk (**) identifies the same tubercle in B and C.
Fig. 5. Physoschistura mango, TCWC 20683.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 5. Physoschistura mango, TCWC 20683.01, male, 23.4 mm SL, pectoral fin of male, right side; A, dorsal view; B, ventral view (image reversed).
Fig. 4. Physoschistura mango, TCWC 20684.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 4. Physoschistura mango, TCWC 20684.01, male, 21.7 mm SL, scanning electron micrographs of mouth and associated structures, ventral view; A, Low magnification overview; B, Mouth, in ventral view; C, Higher magnification image of base of outer rostral barbel, right side, showing conical tubercles and taste buds; D, Higher magnification image of base of inner outer rostral barbel, right side, showing conical tubercles and taste buds; E, Higher magnification image of conical tubercle in centre of D; F, Higher magnification image of papilliferous lower lip, right side; G, Higher magnification image of five papillae on lower lip, right side, showing single tastebud at summit of each papilla. Abbreviations: IRB, inner rostral barbel; LJ, lower jaw; LL, lower lip; MB, mandibular barbel; ORB, outer rostral barbel; T, tubercle; TB, tastebud; UL, upper lip.
Fig. 2 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 2. Physoschistura mango, aquarium trade; A, TCWC 20684.01, male, 21.7 mm SL; B, female, not preserved, not measured.
Fig. 1 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 1. Physoschistura mango; A, MHNG 2790.086, holotype, male, 18.5 mm SL, Myanmar, Hopong; B, CMK 20748, paratype, female, 19.2 mm SL, Myanmar, Hopong; C, TCWC 20684.01, mature male, 21.7 mm SL, aquarium trade.
Fig. 8. Physoschistura mango, TCWC 20683.01 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 8. Physoschistura mango, TCWC 20683.01, female, 19.0 mm SL, C&S, neurocranium in dorsal (A), lateral (B), and ventral (C) view. Nasal bone removed during dissection. Single scale bar shared by A–C. Abbreviations: Asph, autosphenotic; Boc, basioccipital; Epo, epiotic; Exoc, exoccipital; E+Vo, mesethmoid+vomer; Fr, frontal; LE, lateral ethmoid; Orsph, orbitosphenoid; Pa, parital; Pro, prootic; Psph, parasphenoid; Pt, pterotic; Ptsph, pterosphenoid; Soc, supraoccipital.
Fig. 3 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 3. Schematic diagram showing arrangement of cephalic lateral-line canals of Physoschistura mango, TCWC 20684.01, male, 21.7 mm SL. Lateral line canals are shown in dark grey. Dashed black lines indicate that the distal part of barbel is not illustrated. Abbreviations: IOC, infraorbital canal; OC, otic canal; P-MC, preoperculo-mandibular canal; SOC, supraorbital; STC, supratemporal canal.
Fig. 12. Petruichthys brevis. A, NRM 28473 in Physoschistura mango, a new miniature species of loach from Myanmar (Teleostei: Nemacheilidae)
Fig. 12. Petruichthys brevis. A, NRM 28473, male, 28.6 mm SL; B, NRM 28473, female, 32.1 mm SL.
FIGURE 6 in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 6. Map of Arunachal Pradesh, northeastern India, showing the type localities of Physoschistura walongensis (filled circle) and P. dikrongensis (filled square).
FIGURE 5 in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 5. Faroff view of Lohit River at Walong showing the type locality of Physoschistura dikrongensis (indicated by arrow).
FIGURE 3 in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 3. Suborbital flap: a, Physoschistura walongensis, paratype, ZSI/APRC 1269, 45.4 mm SL, male; b, P. dikrongensis, holotype, MUMF 11091/3, 44.6 mm SL, male, showing extension of posterior margin of suborbital flap.
FIGURE 2 in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 2. Lip morphology: a, Physoschistura walongensis, paratype, ZSI/APRC/P 1269, 45.4 mm SL, male; b, P. dikrongensis, holotype, MUMF 11091/3, 44.6 mm SL, male, showing large triangular pad in P. walongensis, while moderate in P. dikrongensis; c, Schistura mizoramensis, paratype, PUCMF 13022, 51.8 mm SL showing widely expanded mouth gape, 1.9–2.1 times wider than long with weakly developed triangular pads and less inclined outer lower lip margin, while strongly arched mouth gape, 1.4–1.6 times wider than long and well developed triangular pads and more inclined outer lower lip margin in P. walongensis. Scale bar = 1mm.
FIGURE 1. A and b in Physoschistura walongensis, a new species of loach (Teleostei: Nemacheilidae) from Arunachal Pradesh, northeastern India
FIGURE 1. A and b, Physoschistura walongensis, holotype, ZSI/APRC 1190, 50.5 mm SL, male; c and d, paratype, ZSI/ APRC 1269, 56.4 mm SL, India, Arunachal Pradesh.
FIGURE 1. Physoschistura tigrinum, n in A new loach of the genus Physoschistura Bănărescu & Nalbant (Teleostei: Nemacheilidae) from Chindwin basin, Manipur, India
FIGURE 1. Physoschistura tigrinum, n. sp.: lateral aspect of (A) holotype, MUMF 11051, 73.6 mm SL, male; (B) paratype, MUMF 11053, 73.2 mm SL, female; (C) dorsal aspect of holotype.
FIGURE 3 in A new loach of the genus Physoschistura Bănărescu & Nalbant (Teleostei: Nemacheilidae) from Chindwin basin, Manipur, India
FIGURE 3. Air bladder of (A) Physoschistura tigrinum and (B) P. prashadi showing free posterior chambers.
FIGURE 3. A in A new species of Physoschistura (Pisces: Nemacheilidae) from northern Thailand
FIGURE 3. A) Ventral view of head of Physoschistura chulabhornae, MARNM 3999/7, 32.37 mm SL; B) lateral view of head of Physoschistura chulabhornae. showing suborbital flap of male, MARNM 3999/20, 30.03 mm SL.
FIGURES 4–5. 4 in A new species of Physoschistura (Pisces: Nemacheilidae) from northern Thailand
FIGURES 4–5. 4. Free posterior chamber of air bladder of Physoschistura chulabhornae. Scale bar 1 mm. 5. Stomach and loop of intestine of Physoschistura chulabhornae. Scale bar 1 mm.
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