operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
鳃
鳃
；包含四个硬；鳃、前鳃，
鳃与下鳃。
operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
鳃鳃；包含四个硬；鳃、前鳃，鳃与下鳃。
interopercle One of the bones comprising the operculum; bordered antero-dorsally by the preopercle and postero-dorsally by the opercle and subopercle.
中鳃组成鳃的硬之一；毗邻背部前方藉由前鳃与后背面藉由鳃与子鳃。
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