Deepak ☑️ Jhumri teliya, India 46 Questions 120 Answers 1 Best Answer 1,075 Points View Profile 1 Deepak ☑️Guru Asked: November 1, 20212021-11-01T09:25:46+05:30 2021-11-01T09:25:46+05:30In: Science Gills cover in bony fishes is known as ? 1 Gills cover in bony fishes is known as ? Share Facebook 1 Answer Voted Oldest Recent ꧁༒☬Roushan☬༒꧂, 18 Questions 16 Answers 11 Best Answers 195 Points View Profile Best Answer Nikki Competent 2021-11-01T12:57:14+05:30Added an answer on November 1, 2021 at 12:57 pm The operculum is a bony flap of skin over their gills that protects the gills. It opens and closes to help bony fish breathe when they are not swimming. 1 Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp You must login to add an answer. Username or email* Password* Remember Me! Forgot Password?