. Bulletin of the British Museum (Natural History). Zoology . 76 P. J. P. WHITEHEAD. Fig. 23. Odontognathus mucronatus, showing distinct break in scute series below pectoral (from a specimen of 123 mm ). and about 1-25 times longest gill filaments ; filaments of anterior hemibranch three- quarters length of those of posterior hemibranch. Two or three short triangular rakers on posterior face of 3rd epibranchial. Pseudobranch present, exposed, about half eye diameter, with about a dozen filaments. Last eight pleural ribs with bulbous heads (see description above, p. 60). Dorsal
. Bulletin of the British Museum (Natural History). Zoology . 76 P. J. P. WHITEHEAD. Fig. 23. Odontognathus mucronatus, showing distinct break in scute series below pectoral (from a specimen of 123 mm ). and about 1-25 times longest gill filaments ; filaments of anterior hemibranch three- quarters length of those of posterior hemibranch. Two or three short triangular rakers on posterior face of 3rd epibranchial. Pseudobranch present, exposed, about half eye diameter, with about a dozen filaments. Last eight pleural ribs with bulbous heads (see description above, p. 60). Dorsal fin origin far back on body, about 3-5 times closer to caudal base than to tip of snout and on vertical from 33rd branched anal ray (specimen of 147 mm ), the finrays slender, often damaged, the longest rays 1*5 times eye diameter. Pec- toral fin tips failing to reach anal fin base by 1-25-175 times eye diameter ; short axillary scale present, three times length of fin. Pelvic fins entirely absent. Anal fin origin nearer to snout tip than to caudal base by about two eye diameters. Caudal fin damaged in all specimens (and in some evidently regenerated after ampu- tation), but probably weakly forked in life. Scales : oval, 1-5 times as deep as wide, apparently very easily shed, most specimens bearing at most a few in the caudal region. Unexposed portion of scale with a single, continuous vertical striation (sometimes chevron-shaped), occasionally preceded by a few faint radiating striae ; exposed portion of scale with faintly eroded posterior border but no striations or ridges. Caudal possibly not scaled. Colour : pale brown in alcohol-preserved specimens, but with head silvery and a thin white midlateral line ; peritoneum silvery and visible through flank. A series. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the origin
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