Teleostei specific scales. Bian soft bone scales thin, flexible, generally circular or sub-round, front-end insert scales capsule, back tilt, pressure scales stacked in front of the latter, was covered tile -like arrangement. scales by two components: the upper bone layer is relatively hard and brittle. lower fiber layer is relatively flexible. scales of fish growth with the increased thickness. scales are characterized by growth, bone-layer lap ring expansion to form a number of concentric ring pattern; fiber layer of a film spreading outward weeks.

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