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.