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front & rear nostrils well separatedD spine - base swollentop lip barbel long, in groove under eye
chin: 2 pr barbelsroof mouth - no teethLL undulating, blue & white -
bone behind head shield- short, taperingplate before D- large, saddle-shaped, front notchroof mouth : 2 pr tooth patches - touch, form a long U, outer pr v elongategill rakers 11-14
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body short
eye small, 4,7-7.1% SL
head shield - dense granulesbone after head shield - profile convex
top barbell past pectoral spineD spine > pectoral spineyellowgill rakers: 1st arch 17-23, 2nd 16-20rear of pectoral spine - small, short serrations
A 21-24 -
bone behind head shield- narrower at base, sides straight to convex
snout pointedplate before D: chevron/crescent shapedroof mouth: 2 pr tooth patches, central patches smallgill rakers 13-17 -
bone behind head shield- long, narrow, taperingplate before D - narrow crescentroof mouth: 1 pr tooth patches - small, eliptical, widely separatedgill rakers 12-15
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bone behind head shield- broad base, taperingplate before D- narrow crescentroof mouth: 1 pr tooth patches - elliptical/round, well separatedgill rakers 14-17
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bone behind headshield- broad base, tapering, convex aboveplate before D - large saddleabruptly white belowtransverse skin flap between nostrils
roof mouth: 2 pr tooth patches fused in Ugill rakers- 2nd arch 19-20 -
snout long, roundedbone behind head shield- broad base, tapering, keeplate before D - short crescenttransverse skin flap between nostrils
roof mouth: 2 pr tooth patches, fused to form Ugill rakers- 2nd arch 19-26 -
head flat; snout v short
bone behind head shield- broad base, convex above, short, < D base-plateplate before D - large saddle, no front notchyellowNO transverse skin flap between nostrils
2 pr tooth patches, fused into Ugill rakers- 2nd arch 19-21 -
snout short, not overhanging
bone behind head shield- broad base, tapering, keeledplate before D - small saddletransverse skin flap between nostrils
roof mouth: 2 pr tooth patches, fused in narrow cross bandgill rakers- 19-21 -
snout square, slightly overhangingbone behind head shield- slender or square + spineD base plate - large saddle, notch at frontNO transverse skin flap between nostrils
2 pr tooth patches, fused into U, rear patches notchedgill rakers 15-18