Comprehensive Description

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Morphometric data are summarised in Table 1b, selected counts in Tables 2–4. General appearance can be seen in Figs 7a and 7b. Body compressed, elongate. Caudal peduncle depth equal to or only slightly less than half maximum body depth; head length greater than maximum body depth. Eye small, its diameter smaller than snout length. Snout not fleshy, rostral cap covering only part of upper lip, at least in preserved specimens. Mouth subterminal, tip of mouth cleft at level of ventral margin of eye or, more frequently, below it. Lower jaw-quadrate junction at vertical through anterior half of eye. Length of lower jaw 8–10% SL or 33–38% HL, or 96–107% depth of operculum (equal to depth of operculum on average).  Dorsal fin with 8½ branched rays. Dorsal-fin origin above posterior end of pelvic-fin base. Anal fin with 8½ branched rays. Outer margin of anal fin slightly concave. Caudal fin moderately forked, lobes weakly pointed, with 9+8 principal branched rays. Total gill rakers (Table 2) 8 (1 specimen), 9 (11) or 10 (6), 10 in holotype. Pharyngeal teeth 5–4, hooked, slightly serrated (examined in 5 specimens).  Scales covering entire body including pre-pectoral area and abdomen, overlapping on most parts of body. Scales regularly set; lateral-line scales and scales above and below it of about equal size. Lateral line complete (Table 3), 55–67 scales in total, 61 in holotype. Lateral line not curving above anal-fin origin. Number of scales in total lateral series 58–67 (modal range 62–64), 63 in holotype.  Parietal segment of CSO lacking. CPM not communicating with CIO, terminating over upper margin of opercular antedorsal process or communicating with CIO (on one side in 3 specimens). CSO complete with 8, rarely 7 or 9, pores. CIO complete with 14–16 pores and with 4 canal openings on first infraorbital. CPM complete, with 14–16 pores (4 canal openings on dentary, and 7–9, usually 8, on preoperculum). CST complete, with 5 or 7 pores.  Total vertebrae (Table 4) 39 (1), 40 (10) or 41 (11), 41 in holotype; abdominal vertebrae 22 (8) or 23 (14), 23 in holotype; caudal vertebrae 17 (5), 18 (16) or 19 (1), 18 in holotype; predorsal vertebrae 13 (15) or 14 (7), 14 in holotype; intermediate vertebrae 3 (12) or 4 (9), 3 in holotype. Vertebral formulae 22+17 (1), 22+18 (7), 23+17 (5) and 23+18 (10), 23+18 in holotype.


Creative Commons Attribution 3.0 (CC BY 3.0)

© Nina G. Bogutskaya, Primož Zupančič, Ivan Bogut, Alexander M. Naseka

Source: ZooKeys

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