operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
；包含四个
；、前，间
下。
;孔operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
；包含四个；、前，间下。
interopercle One of the bones comprising the operculum; bordered antero-dorsally by the preopercle and postero-dorsally by the opercle and subopercle.
中
成的之一；毗邻背部前方藉由前后背面藉由子。
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