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snout short, central ridge - cónical spineD 21-33C 8pectoral 8-13lower body & tail ridges NOT joined
A 2-3 -
snout: short, top and side ridges well developed, top ridge - no spines
side head: ridges well developedblack & white rings OR yellow+white+ brown bars
D 18-22
A 2-4body ridges prominent, toothed, notched between ringspectoral 11-14lower body & tail ridges NOT joined -
snout short, central ridge spiny
head & body ~ smooth, ~ no ridges, rings indistinct & not notchedlower body & tail ridges not joined