> They have a compressed, elongated body that gradually deepens towards the tail. Their body shape varies depending on the subspecies.
Fins:
> Bluegill have long and rounded dorsal and anal fins, each containing spines and soft rays. Their pectoral and pelvic fins are smaller and located on either side of the body.
Color:
> Baby bluegills have an olive-brown coloration on the back that transitions to a lighter silvery-blue color on the sides. They usually exhibit vertical dark bars on their sides, which become more prominent as they mature.
Size:
> Newly hatched bluegills are tiny and transparent. However, they grow rapidly and can reach lengths of several inches within their first year of life.
Juveniles:
> Younger bluegills may exhibit a distinct pattern of alternating light and dark bands on their sides. They also have longer spines and a larger head in relation to their body when they are younger.