Tuna, grouper, mullet, and sheepshead are all species that belong to which fish class?

Tuna, grouper, mullet, and sheepshead all species of fish belong to class Actinopterygii.

Explanation:

Actinopterygii is a class of fish which is also referred to as ray-finned fishes. This belongs to a class of bony fish.

It is the skeletal structure of these fishes that they have the class ray-finned fishes. Fish in this class have fins which are webs of skin supported by bony spines. Their fin rays are directly attached to the proximal or basal elements of their skeleton, which is radial.

The radial in fish is a link between their fins and the internal skeleton.

One of the most influential class of vertebrates in fishes is of actinopterygii.

This class of fish has several scales and one of the most advanced one is leptoid scales.

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