An operculus covers which body part of a bony fish?

1 Answer
Henry W.
Oct 7, 2016

Gills

Explanation:

The operculum is a flap which covers the gills of bony fish.
![http://bilingualbiology10.blogspot.com.au/2013/08/topic-12ahttp://-fish-class-pisces.html](https://useruploads.socratic.org/T1uvHW4QRumchfglW0iR_Goldfish.jpg)

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