Question

Mention two adaptive features of a bony fish besides the position of a streamlined body and air bladder

Answer 1

1. They have unique ear plates which are known as otoliths. They help them to maintain their equilibrium.
2.They have basic vertebrate eyes which are made up of cones and rods. They can detect colors and specific wavelengths.
3.Taste buds have been well developed in order to accept or reject a prey.
4.They have a hard calcified skeleton and a solid cranium to protect their brains.
5.They have hinged jaw for feeding. While other fishes like lampreys and hagfish do not have jaws.