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  • snout overhangs mouth
    rear nostril: hole below mid-eye level
    D origin ~ over pectoral base
    D & A rays unsegmented
    tail < 60% TL
    blunt stiff C
    flanges both lips
    jaw teeth in bands
    pectoral base extending above gill opening
  • snout short (< eye), blunt
    D: origin over center pectoral
    D & A rays not segmented
    tail ~ 60% of TL
    D & A join C, tail tip rigid
    both lips - large folds, upper high & covers divided hollow
    pectoral base extends above gill opening
  • iris - dark ring
    behind eye - dark blotch
    D & A: dark + white margins
    tail ~ 2/3 TL
    jaws: outer teeth form cutting edge
    rear nostril: hole just before eye
    LL: 38-46 pores before anus
  • tail ~ 57% TL
    jaws: outer teeth form cutting edge
    rear nostril: tube before eye
    LL: 50-51 pores before anus