Covered Osteichthyes Have Pairs Gills Operculum Side Skin Cycloid/Ctenoid

Osteichthyes possess four gill pairs covered by an operculum, cycloid/ctenoid scales on their skin, and an air bladder that regulates buoyancy.

Osteichthyes have four pairs of gills covered by an operculum, skin with cycloid/ctenoid scales, and an air bladder for buoyancy regulation.

Text	Osteichthyes have four pairs of gills which are covered by an operculum on each side. Skin is covered with cycloid/ctenoid scales. Air bladder is present which regulates buoyancy.

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