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tail base - no ridgesmouth opens above, oblique
cheek with groovesNO large bony scales behind operculum -
cheek no grooves
groove before eyetail base: no ridgesteeth notched, larger & pointed in centerlarge bony scales behind operculum -
groove before eyeD&A uniform heighttail base: 2-4 rows large tuberclescheeks grooved
teeth notched, size uneven
patch large, bony scales behind gill opening -
cheek no grooves
groove before eye
teeth notched, centrals not pointedD & A large, longtail base: no ridgesNO large bony scales behind operculum -
tail base: 8-10 ridgesteeth not notched, ~even size
cheek no grooveslarge bony scales behind operculum -
cheeks not grooved
no patch large scales behind gill openingtail base: 3-5 rows small spines