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  • snout v long, flat
    D1 short, high, origin over inner pectoral margin
    D2 shorter, higher & longer spine
    denticle crown: ~0.25 mmm long
    under tail base: keel
  • D1 origin behind pelvic insertion
    D1 ~1/2 size D2
    distance between pectoral & pelvic 6-9% TL
    A base 2.5-3 X fin height
  • D1 ~same size as D2
    D1 origin slightly before center pelvic base
  • D1 origin behind pelvic insertion
    D1 ~1/2 size D2
    A base 4 X fin height
    top edge C with denticle crest
    distance between pectoral & pelvic 10-14% TL
  • D1 origin over rear 1/4 pelvic base
    D1 ~1/2 size D2
  • snout v long, flat
    D1 very long & low, origin over pectoral base
    D2 shorter, higher & longer spine
    tail base: no ventral keel
    denticle crown: ~0.5 mmm long