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LL: 4 front, 2 rear, no light organsD1: II solid spinesopercle: 1 large solid spineno scales
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LL: 2, no light organsD1: III solid spineswith caninesoperculum: 4 solid spinesbody: small imbedded scales
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LL: 1, no light organsD1: II hollow spinesno canine teethopercule: 1 hollow spineno scales
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LL: 4, with light organsD1: II solid spineswith canines1 solid opercular spineno scales