Question

which one of the following is not an adaptive feature of bony fish​

Answer 1

Bony fish have a special adaptation,that allows them to remain buoyant, or float on water. -They have a special organ called a swim bladder, which is under the layer of bony skeleton and filled with gas. -Bony fish are able to breathe without swimming through their Operculum.

Answer 2

Explanation:

eye size and position vary depending on the habitat and behaviour of the species......In the most species,the gills are protected by a flexible plate called an operculum......The nostrils of most bony fishes have no connection with the mouth or gills.....Mouth shape and size are good indication of bony fishes feeding habitat