operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
鳃盖鳃盖
；包含四
；鳃盖、前鳃盖，间鳃盖
下鳃盖。
operculum Bony gill cover; comprised of four bones: opercle, preopercle, interopercle and subopercle.
鳃盖鳃盖；包含四；鳃盖、前鳃盖，间鳃盖下鳃盖。
interopercle One of the bones comprising the operculum; bordered antero-dorsally by the preopercle and postero-dorsally by the opercle and subopercle.
中鳃盖
成鳃盖的之一；毗邻背部前方藉由前鳃盖
背面藉由鳃盖子鳃盖。
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