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pore behind rear nostril over eyeD & A = low crests on tailtail: ~1/2 TL, tip hard, pointed
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head & snout: short, broadD: origin before gill openingtail < 1/2 TLteeth short, very blunt
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nostrils: front tubular, rear = holeD origin ~over gill openingjaws long, arched, meet only at tips
long fangs -
nostrils: front = tube, rear = holeD origin before gill openingjaws close completely, not arched
teeth all sharp -
rear nostril = hole over front edge eyeD & A: low crests on rear of tailtail: ~1/2 TL, point blunt